Tag Archive: Solomon Islands


Earth Watch Report  –  Earthquakes

Solomon Islands - 71 EQs in the last 30 days  4.21.2014 photo SolomonIslands-71EQsinthelast30days4212014_zps6f2d3aac.png

71 earthquakes in map area

  1. 5.0 71km SSW of Kirakira, Solomon Islands 2014-04-20 02:45:45 UTC-05:00 18.6 km

  2. 4.7 154km SE of Kirakira, Solomon Islands 2014-04-18 10:24:14 UTC-05:00 51.0 km

  3. 4.6 135km WSW of Lata, Solomon Islands 2014-04-18 08:02:51 UTC-05:00 42.4 km

  4. 5.1 129km WSW of Lata, Solomon Islands 2014-04-18 02:30:17 UTC-05:00 36.6 km

  5. 6.0 122km WSW of Lata, Solomon Islands 2014-04-17 23:13:12 UTC-05:00 10.0 km

  6. 5.0 135km SSE of Kirakira, Solomon Islands 2014-04-17 02:28:43 UTC-05:00 34.6 km

  7. 4.9 82km SSW of Kirakira, Solomon Islands 2014-04-16 06:43:49 UTC-05:00 35.0 km

  8. 4.7 78km SSW of Kirakira, Solomon Islands 2014-04-16 05:24:45 UTC-05:00 37.4 km

  9. 4.6 126km SSE of Kirakira, Solomon Islands 2014-04-16 05:00:15 UTC-05:00 35.0 km

  10. 4.6 149km SE of Kirakira, Solomon Islands 2014-04-15 16:08:21 UTC-05:00 35.0 km

  11. 4.8 77km SSW of Kirakira, Solomon Islands 2014-04-15 10:43:05 UTC-05:00 35.0 km

  12. 4.7 152km SE of Kirakira, Solomon Islands 2014-04-14 19:30:02 UTC-05:00 22.1 km

  13. 4.8 82km SSW of Kirakira, Solomon Islands 2014-04-14 19:24:32 UTC-05:00 35.0 km

  14. 4.9 139km SE of Kirakira, Solomon Islands 2014-04-14 19:12:06 UTC-05:00 35.0 km

  15. 5.3 142km SE of Kirakira, Solomon Islands 2014-04-14 19:07:53 UTC-05:00 27.3 km

  16. 5.1 133km SE of Kirakira, Solomon Islands 2014-04-14 18:56:30 UTC-05:00 32.4 km

  17. 4.7 155km SE of Kirakira, Solomon Islands 2014-04-14 18:51:59 UTC-05:00 35.0 km

  18. 4.7 155km SE of Kirakira, Solomon Islands 2014-04-14 18:47:26 UTC-05:00 35.0 km

  19. 4.8 77km SSW of Kirakira, Solomon Islands 2014-04-14 16:55:53 UTC-05:00 35.1 km

  20. 4.7 121km S of Kirakira, Solomon Islands 2014-04-14 15:44:19 UTC-05:00 33.6 km

  21. 4.9 72km SSW of Kirakira, Solomon Islands 2014-04-14 11:51:27 UTC-05:00 35.0 km

  22. 4.7 79km SSW of Kirakira, Solomon Islands 2014-04-14 08:08:40 UTC-05:00 37.9 km

  23. 5.0 57km SW of Kirakira, Solomon Islands 2014-04-14 05:47:19 UTC-05:00 34.0 km

  24. 4.8 77km SSW of Kirakira, Solomon Islands 2014-04-14 03:09:58 UTC-05:00 35.0 km

  25. 5.2 93km SSW of Kirakira, Solomon Islands 2014-04-14 02:40:46 UTC-05:00 35.0 km

  26. 4.6 118km S of Kirakira, Solomon Islands 2014-04-14 02:31:06 UTC-05:00 27.6 km

  27. 4.8 80km S of Kirakira, Solomon Islands 2014-04-14 02:16:34 UTC-05:00 35.0 km

  28. 5.9 91km S of Kirakira, Solomon Islands 2014-04-14 01:29:50 UTC-05:00 35.0 km

  29. 5.0 142km SSE of Kirakira, Solomon Islands 2014-04-13 23:57:35 UTC-05:00 36.6 km

  30. 4.9 130km SSE of Kirakira, Solomon Islands 2014-04-13 22:30:17 UTC-05:00 35.0 km

  31. 5.3 120km S of Kirakira, Solomon Islands 2014-04-13 19:09:11 UTC-05:00 39.8 km

  32. 4.8 104km SSE of Kirakira, Solomon Islands 2014-04-13 16:13:33 UTC-05:00 14.9 km

  33. 4.6 74km SSW of Kirakira, Solomon Islands 2014-04-13 14:41:35 UTC-05:00 35.0 km

  34. 4.8 130km S of Kirakira, Solomon Islands 2014-04-13 13:11:30 UTC-05:00 35.0 km

  35. 4.8 112km SSW of Kirakira, Solomon Islands 2014-04-13 10:24:01 UTC-05:00 35.0 km

  36. 4.7 142km SE of Kirakira, Solomon Islands 2014-04-13 09:30:58 UTC-05:00 37.5 km

  37. 4.9 131km SE of Kirakira, Solomon Islands 2014-04-13 09:26:38 UTC-05:00 22.6 km

  38. 5.0 86km S of Kirakira, Solomon Islands 2014-04-13 08:42:46 UTC-05:00 33.7 km

  39. 6.6 75km S of Kirakira, Solomon Islands 2014-04-13 08:25:03 UTC-05:00 35.0 km

  40. 5.6 84km S of Kirakira, Solomon Islands 2014-04-13 08:12:21 UTC-05:00 35.0 km

  41. 5.7 119km SSE of Kirakira, Solomon Islands 2014-04-13 07:46:43 UTC-05:00 31.4 km

  42. 7.4 111km S of Kirakira, Solomon Islands 2014-04-13 07:36:18 UTC-05:00 35.0 km

  43. 4.7 124km SE of Kirakira, Solomon Islands 2014-04-13 07:24:35 UTC-05:00 20.0 km

  44. 4.9 65km S of Kirakira, Solomon Islands 2014-04-13 06:12:48 UTC-05:00 10.0 km

  45. 4.8 102km SSE of Kirakira, Solomon Islands 2014-04-13 05:54:28 UTC-05:00 10.0 km

  46. 4.7 82km S of Kirakira, Solomon Islands 2014-04-13 05:26:24 UTC-05:00 34.9 km

  47. 5.1 95km S of Kirakira, Solomon Islands 2014-04-13 05:09:49 UTC-05:00 8.1 km

  48. 5.0 87km S of Kirakira, Solomon Islands 2014-04-13 05:05:39 UTC-05:00 21.1 km

  49. 5.2 69km SSE of Kirakira, Solomon Islands 2014-04-13 04:29:20 UTC-05:00 11.7 km

  50. 4.9 122km SE of Kirakira, Solomon Islands 2014-04-13 03:55:12 UTC-05:00 19.1 km

  51. 4.8 146km SE of Kirakira, Solomon Islands 2014-04-13 02:02:20 UTC-05:00 10.0 km

  52. 4.6 126km S of Kirakira, Solomon Islands 2014-04-13 01:19:25 UTC-05:00 20.0 km

  53. 4.9 124km SSE of Kirakira, Solomon Islands 2014-04-13 00:59:24 UTC-05:00 14.4 km

  54. 4.7 89km SW of Kirakira, Solomon Islands 2014-04-13 00:36:01 UTC-05:00 20.0 km

  55. 4.6 87km S of Kirakira, Solomon Islands 2014-04-13 00:25:24 UTC-05:00 19.1 km

  56. 4.8 82km S of Kirakira, Solomon Islands 2014-04-12 23:36:26 UTC-05:00 23.8 km

  57. 4.6 95km SSW of Kirakira, Solomon Islands 2014-04-12 23:31:10 UTC-05:00 24.0 km

  58. 4.8 131km S of Kirakira, Solomon Islands 2014-04-12 22:41:01 UTC-05:00 18.1 km

  59. 4.9 124km S of Kirakira, Solomon Islands 2014-04-12 22:17:56 UTC-05:00 24.1 km

  60. 5.1 127km SSE of Kirakira, Solomon Islands 2014-04-12 18:52:14 UTC-05:00 7.0 km

  61. 4.9 129km SSE of Kirakira, Solomon Islands 2014-04-12 17:40:33 UTC-05:00 34.9 km

  62. 4.6 142km SSE of Kirakira, Solomon Islands 2014-04-12 17:18:51 UTC-05:00 35.0 km

  63. 5.1 85km SSE of Kirakira, Solomon Islands 2014-04-12 16:39:05 UTC-05:00 43.1 km

  64. 4.6 124km SE of Kirakira, Solomon Islands 2014-04-12 16:34:39 UTC-05:00 38.1 km

  65. 5.0 149km SE of Kirakira, Solomon Islands 2014-04-12 16:17:05 UTC-05:00 35.0 km

  66. 4.7 72km S of Kirakira, Solomon Islands 2014-04-12 16:11:02 UTC-05:00 35.3 km

  67. 4.9 123km SSE of Kirakira, Solomon Islands 2014-04-12 15:49:56 UTC-05:00 40.3 km

  68. 5.9 96km SSE of Kirakira, Solomon Islands 2014-04-12 15:24:46 UTC-05:00 26.8 km

  69. 7.6 100km SSE of Kirakira, Solomon Islands 2014-04-12 15:14:39 UTC-05:00 29.3 km

  70. 6.0 28km WSW of Kirakira, Solomon Islands 2014-04-04 06:40:32 UTC-05:00 63.8 km

  71. 5.1 196km W of Lata, Solomon Islands 2014-04-01 21:51:29 UTC-05:00 26.2 km

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M 6.0 – 122km WSW of Lata, Solomon Islands

 

Earthquake location 11.155°S, 164.806°E

Event Time

  1. 2014-04-18 04:13:12 UTC
  2. 2014-04-18 15:13:12 UTC+11:00 at epicenter
  3. 2014-04-17 23:13:12 UTC-05:00 system time

Location

11.155°S 164.806°E depth=10.0km (6.2mi)

Nearby Cities

  1. 122km (76mi) WSW of Lata, Solomon Islands
  2. 547km (340mi) NNW of Luganville, Vanuatu
  3. 565km (351mi) ESE of Honiara, Solomon Islands
  4. 820km (510mi) NNW of Port-Vila, Vanuatu
  5. 1111km (690mi) NNW of We, New Caledonia

 

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Instrumental Intensity

ShakeMap Intensity Image

 

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M 6.6 – 75km S of Kirakira, Solomon Islands

Earthquake location 11.130°S, 162.037°E

 

Event Time

  1. 2014-04-13 13:25:03 UTC
  2. 2014-04-14 00:25:03 UTC+11:00 at epicenter
  3. 2014-04-13 08:25:03 UTC-05:00 system time

Location

11.130°S 162.037°E depth=35.0km (21.7mi)

Nearby Cities

  1. 75km (47mi) S of Kirakira, Solomon Islands
  2. 295km (183mi) SE of Honiara, Solomon Islands
  3. 738km (459mi) NW of Luganville, Vanuatu
  4. 898km (558mi) SE of Arawa, Papua New Guinea
  5. 996km (619mi) NW of Port-Vila, Vanuatu

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Instrumental Intensity

ShakeMap Intensity Image

 

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M 7.4 – 111km S of Kirakira, Solomon Islands

Earthquake location 11.451°S, 162.069°E

Event Time

  1. 2014-04-13 12:36:18 UTC
  2. 2014-04-13 23:36:18 UTC+11:00 at epicenter
  3. 2014-04-13 07:36:18 UTC-05:00 system time

Location

11.451°S 162.069°E depth=35.0km (21.7mi)

Nearby Cities

  1. 111km (69mi) S of Kirakira, Solomon Islands
  2. 321km (199mi) SE of Honiara, Solomon Islands
  3. 713km (443mi) NW of Luganville, Vanuatu
  4. 922km (573mi) SE of Arawa, Papua New Guinea
  5. 967km (601mi) NW of Port-Vila, Vanuatu

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Instrumental Intensity

ShakeMap Intensity Image

 

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M 7.6 – 100km SSE of Kirakira, Solomon Islands

Earthquake location 11.315°S, 162.211°E

Event Time

  1. 2014-04-12 20:14:39 UTC
  2. 2014-04-13 07:14:39 UTC+11:00 at epicenter
  3. 2014-04-12 15:14:39 UTC-05:00 system time

Location

11.315°S 162.211°E depth=29.3km (18.2mi)

Nearby Cities

  1. 100km (62mi) SSE of Kirakira, Solomon Islands
  2. 323km (201mi) SE of Honiara, Solomon Islands
  3. 711km (442mi) NW of Luganville, Vanuatu
  4. 925km (575mi) SE of Arawa, Papua New Guinea
  5. 968km (601mi) NW of Port-Vila, Vanuatu

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Instrumental Intensity

ShakeMap Intensity Image

 

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M 6.0 – 28km WSW of Kirakira, Solomon Islands

Earthquake location 10.530°S, 161.672°E

Event Time

  1. 2014-04-04 11:40:32 UTC
  2. 2014-04-04 22:40:32 UTC+11:00 at epicenter
  3. 2014-04-04 06:40:32 UTC-05:00 system time

Location

10.530°S 161.672°E depth=63.8km (39.6mi)

Nearby Cities

  1. 28km (17mi) WSW of Kirakira, Solomon Islands
  2. 224km (139mi) ESE of Honiara, Solomon Islands
  3. 813km (505mi) NW of Luganville, Vanuatu
  4. 827km (514mi) SE of Arawa, Papua New Guinea
  5. 1072km (666mi) NW of Port-Vila, Vanuatu

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Instrumental Intensity

ShakeMap Intensity Image

 

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Tectonic Summary

The April 13, 2014 M 7.4 Solomon Islands earthquake occurred as the result of nearly pure reverse faulting on an approximately east-west oriented structure near the oceanic trench that marks the plate boundary between the Australia and Pacific plates. At the location of the earthquake, the Australia Plate converges with and slips past the Pacific plate at a rate of 95 mm/yr. The April 13 earthquake occurred along a portion of this plate boundary that transitions from thrust to transform tectonics between the New Britain Trench to the northwest and the New Hebrides Trench farther east. The earthquake occurred about 110 km SSE of Kirakira, Solomon Islands.
The April 13 earthquake occurred less than 24 hours and approximately 20 km to the southwest of a M 7.7 strike-slip earthquake on April 12, 2014. While the April 12 strike-slip earthquake likely represented Australia:Pacific plate boundary faulting, the April 13 earthquake is located south of the plate boundary at a depth of approximately 35 km, and as such may represent tearing of the Australia plate to accommodate the abrupt change in Australian plate interaction with the Pacific plate (subduction to the north and west; left-lateral translation to the east).
The region of the April 12 earthquake is very seismically active, with 28 earthquakes of M6+ occurring within 100 km and 62 events of M7+ within 500 km since 1900. The majority of these earthquakes are grouped to the northwest around the Solomon Islands and to the east near Vanuatu and the Santa Cruz Islands. Notable earthquake within 100 km include a doublet of M7.0 events in November 1978, events of M7.1 in 1931 and 1937, and an M7.2 in 1910. The most recent local event prior to the April 12 earthquake was an M6.0 on April 4, 2014 94 km to the NW. The April 12 earthquake also occurred about 950 km to the SE of an earthquake sequence south of Bougainville Island, Papua New Guinea that began with an M6.1 on April 11, 2014. On February 6, 2013, an M8.0 struck offshore of the Santa Cruz Islands about 340 km east of the April 12 event. The 2013 earthquake triggered a regional tsunami of about 1.5 m and was followed by aftershocks of M7.0 and two of M7.1.

 

 

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Earth Watch Report  –  Earthquakes

Soloman Islands  5.7 and 4.8 Mag EQ  February 1st 2014 photo SolomanIslands57and48MagEQFebruary1st2014_zps5b9eba20.jpg

2 earthquakes in map area

  1. M 5.7 – 92km SSE of Lata, Solomon Islands

     2014-02-01 13:59:59 UTC-06:00 32.0 km

  2. M 4.8 – 72km W of Lata, Solomon Islands

     2014-02-01 00:31:18 UTC-06:00 48.0 km

USGS

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M 5.7 – 92km SSE of Lata, Solomon Islands

 2014-02-01 19:59:59 UTC

Earthquake location 11.433°S, 166.278°E

Event Time

  1. 2014-02-01 19:59:59 UTC
  2. 2014-02-02 06:59:59 UTC+11:00 at epicenter
  3. 2014-02-01 13:59:59 UTC-06:00 system time

Location

11.433°S 166.278°E depth=32.0km (19.9mi)

Nearby Cities

  1. 92km (57mi) SSE of Lata, Solomon Islands
  2. 463km (288mi) NNW of Luganville, Vanuatu
  3. 727km (452mi) ESE of Honiara, Solomon Islands
  4. 731km (454mi) NNW of Port-Vila, Vanuatu
  5. 1054km (655mi) N of We, New Caledonia

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M 4.8 – 72km W of Lata, Solomon Islands

2014-02-01 06:31:18 UTC

Earthquake location 10.652°S, 165.176°E

Event Time

  1. 2014-02-01 06:31:18 UTC
  2. 2014-02-01 17:31:18 UTC+11:00 at epicenter
  3. 2014-02-01 00:31:18 UTC-06:00 system time

Location

10.652°S 165.176°E depth=48.0km (29.8mi)

Nearby Cities

  1. 72km (45mi) W of Lata, Solomon Islands
  2. 581km (361mi) NNW of Luganville, Vanuatu
  3. 588km (365mi) ESE of Honiara, Solomon Islands
  4. 853km (530mi) NNW of Port-Vila, Vanuatu
  5. 1157km (719mi) NNW of We, New Caledonia

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Tectonic Summary

Seismotectonics of the Eastern Margin of the Australia Plate

The eastern margin of the Australia plate is one of the most sesimically active areas of the world due to high rates of convergence between the Australia and Pacific plates. In the region of New Zealand, the 3000 km long Australia-Pacific plate boundary extends from south of Macquarie Island to the southern Kermadec Island chain. It includes an oceanic transform (the Macquarie Ridge), two oppositely verging subduction zones (Puysegur and Hikurangi), and a transpressive continental transform, the Alpine Fault through South Island, New Zealand.

Since 1900 there have been 15 M7.5+ earthquakes recorded near New Zealand. Nine of these, and the four largest, occurred along or near the Macquarie Ridge, including the 1989 M8.2 event on the ridge itself, and the 2004 M8.1 event 200 km to the west of the plate boundary, reflecting intraplate deformation. The largest recorded earthquake in New Zealand itself was the 1931 M7.8 Hawke’s Bay earthquake, which killed 256 people. The last M7.5+ earthquake along the Alpine Fault was 170 years ago; studies of the faults’ strain accumulation suggest that similar events are likely to occur again.

North of New Zealand, the Australia-Pacific boundary stretches east of Tonga and Fiji to 250 km south of Samoa. For 2,200 km the trench is approximately linear, and includes two segments where old (>120 Myr) Pacific oceanic lithosphere rapidly subducts westward (Kermadec and Tonga). At the northern end of the Tonga trench, the boundary curves sharply westward and changes along a 700 km-long segment from trench-normal subduction, to oblique subduction, to a left lateral transform-like structure.

Australia-Pacific convergence rates increase northward from 60 mm/yr at the southern Kermadec trench to 90 mm/yr at the northern Tonga trench; however, significant back arc extension (or equivalently, slab rollback) causes the consumption rate of subducting Pacific lithosphere to be much faster. The spreading rate in the Havre trough, west of the Kermadec trench, increases northward from 8 to 20 mm/yr. The southern tip of this spreading center is propagating into the North Island of New Zealand, rifting it apart. In the southern Lau Basin, west of the Tonga trench, the spreading rate increases northward from 60 to 90 mm/yr, and in the northern Lau Basin, multiple spreading centers result in an extension rate as high as 160 mm/yr. The overall subduction velocity of the Pacific plate is the vector sum of Australia-Pacific velocity and back arc spreading velocity: thus it increases northward along the Kermadec trench from 70 to 100 mm/yr, and along the Tonga trench from 150 to 240 mm/yr.

The Kermadec-Tonga subduction zone generates many large earthquakes on the interface between the descending Pacific and overriding Australia plates, within the two plates themselves and, less frequently, near the outer rise of the Pacific plate east of the trench. Since 1900, 40 M7.5+ earthquakes have been recorded, mostly north of 30°S. However, it is unclear whether any of the few historic M8+ events that have occurred close to the plate boundary were underthrusting events on the plate interface, or were intraplate earthquakes. On September 29, 2009, one of the largest normal fault (outer rise) earthquakes ever recorded (M8.1) occurred south of Samoa, 40 km east of the Tonga trench, generating a tsunami that killed at least 180 people.

Across the North Fiji Basin and to the west of the Vanuatu Islands, the Australia plate again subducts eastwards beneath the Pacific, at the North New Hebrides trench. At the southern end of this trench, east of the Loyalty Islands, the plate boundary curves east into an oceanic transform-like structure analogous to the one north of Tonga.

Australia-Pacific convergence rates increase northward from 80 to 90 mm/yr along the North New Hebrides trench, but the Australia plate consumption rate is increased by extension in the back arc and in the North Fiji Basin. Back arc spreading occurs at a rate of 50 mm/yr along most of the subduction zone, except near ~15°S, where the D’Entrecasteaux ridge intersects the trench and causes localized compression of 50 mm/yr in the back arc. Therefore, the Australia plate subduction velocity ranges from 120 mm/yr at the southern end of the North New Hebrides trench, to 40 mm/yr at the D’Entrecasteaux ridge-trench intersection, to 170 mm/yr at the northern end of the trench.

Large earthquakes are common along the North New Hebrides trench and have mechanisms associated with subduction tectonics, though occasional strike slip earthquakes occur near the subduction of the D’Entrecasteaux ridge. Within the subduction zone 34 M7.5+ earthquakes have been recorded since 1900. On October 7, 2009, a large interplate thrust fault earthquake (M7.6) in the northern North New Hebrides subduction zone was followed 15 minutes later by an even larger interplate event (M7.8) 60 km to the north. It is likely that the first event triggered the second of the so-called earthquake “doublet”.

More information on regional seismicity and tectonics

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Instrumental Intensity

ShakeMap Intensity Image

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Earth Watch Report  –  Earthquakes

 photo SolomonIslands-2EQs48-57magMay15-172013_zps25afb8c0.jpg

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M4.8 – 101km SW of Lata, Solomon Islands

 2013-05-15 23:01:16 UTC

Earthquake location 11.303°S, 165.115°E

Event Time

  1. 2013-05-15 23:01:16 UTC
  2. 2013-05-16 10:01:16 UTC+11:00 at epicenter
  3. 2013-05-15 18:01:16 UTC-05:00 system time

Location

11.303°S 165.115°E depth=7.3km (4.5mi)

Nearby Cities

  1. 101km (63mi) SW of Lata, Solomon Islands
  2. 518km (322mi) NNW of Luganville, Vanuatu
  3. 602km (374mi) ESE of Honiara, Solomon Islands
  4. 790km (491mi) NNW of Port-Vila, Vanuatu
  5. 1088km (676mi) NNW of We, New Caledonia

 

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M5.7 – 91km WSW of Lata, Solomon Islands

 2013-05-17 06:43:16 UTC

Earthquake location 11.085°S, 165.082°E

Event Time

  1. 2013-05-17 06:43:16 UTC
  2. 2013-05-17 17:43:16 UTC+11:00 at epicenter
  3. 2013-05-17 01:43:16 UTC-05:00 system time

Location

11.085°S 165.082°E depth=10.3km (6.4mi)

Nearby Cities

  1. 91km (57mi) WSW of Lata, Solomon Islands
  2. 541km (336mi) NNW of Luganville, Vanuatu
  3. 591km (367mi) ESE of Honiara, Solomon Islands
  4. 814km (506mi) NNW of Port-Vila, Vanuatu
  5. 1112km (691mi) NNW of We, New Caledonia

 

 

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Tectonic Summary

Seismotectonics of the Eastern Margin of the Australia Plate

The eastern margin of the Australia plate is one of the most sesimically active areas of the world due to high rates of convergence between the Australia and Pacific plates. In the region of New Zealand, the 3000 km long Australia-Pacific plate boundary extends from south of Macquarie Island to the southern Kermadec Island chain. It includes an oceanic transform (the Macquarie Ridge), two oppositely verging subduction zones (Puysegur and Hikurangi), and a transpressive continental transform, the Alpine Fault through South Island, New Zealand.

Since 1900 there have been 15 M7.5+ earthquakes recorded near New Zealand. Nine of these, and the four largest, occurred along or near the Macquarie Ridge, including the 1989 M8.2 event on the ridge itself, and the 2004 M8.1 event 200 km to the west of the plate boundary, reflecting intraplate deformation. The largest recorded earthquake in New Zealand itself was the 1931 M7.8 Hawke’s Bay earthquake, which killed 256 people. The last M7.5+ earthquake along the Alpine Fault was 170 years ago; studies of the faults’ strain accumulation suggest that similar events are likely to occur again.

North of New Zealand, the Australia-Pacific boundary stretches east of Tonga and Fiji to 250 km south of Samoa. For 2,200 km the trench is approximately linear, and includes two segments where old (>120 Myr) Pacific oceanic lithosphere rapidly subducts westward (Kermadec and Tonga). At the northern end of the Tonga trench, the boundary curves sharply westward and changes along a 700 km-long segment from trench-normal subduction, to oblique subduction, to a left lateral transform-like structure.

Australia-Pacific convergence rates increase northward from 60 mm/yr at the southern Kermadec trench to 90 mm/yr at the northern Tonga trench; however, significant back arc extension (or equivalently, slab rollback) causes the consumption rate of subducting Pacific lithosphere to be much faster. The spreading rate in the Havre trough, west of the Kermadec trench, increases northward from 8 to 20 mm/yr. The southern tip of this spreading center is propagating into the North Island of New Zealand, rifting it apart. In the southern Lau Basin, west of the Tonga trench, the spreading rate increases northward from 60 to 90 mm/yr, and in the northern Lau Basin, multiple spreading centers result in an extension rate as high as 160 mm/yr. The overall subduction velocity of the Pacific plate is the vector sum of Australia-Pacific velocity and back arc spreading velocity: thus it increases northward along the Kermadec trench from 70 to 100 mm/yr, and along the Tonga trench from 150 to 240 mm/yr.

The Kermadec-Tonga subduction zone generates many large earthquakes on the interface between the descending Pacific and overriding Australia plates, within the two plates themselves and, less frequently, near the outer rise of the Pacific plate east of the trench. Since 1900, 40 M7.5+ earthquakes have been recorded, mostly north of 30°S. However, it is unclear whether any of the few historic M8+ events that have occurred close to the plate boundary were underthrusting events on the plate interface, or were intraplate earthquakes. On September 29, 2009, one of the largest normal fault (outer rise) earthquakes ever recorded (M8.1) occurred south of Samoa, 40 km east of the Tonga trench, generating a tsunami that killed at least 180 people.

 

 

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Instrumental Intensity

ShakeMap Intensity Image

 

 

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Earth Watch Report  –  Earthquakes

Indonesia - 2 EQs  May 10th and 11th  2013 photo Indonesia-2EQsMay10thand11th2013_zps4ba5f697.jpg
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M4.8 – 101km SSW of Biha, Indonesia 2013-05-10 13:06:48 UTC

Earthquake location 6.175°S, 103.669°E

Event Time

  1. 2013-05-10 13:06:48 UTC
  2. 2013-05-10 20:06:48 UTC+07:00 at epicenter
  3. 2013-05-10 08:06:48 UTC-05:00 system time

Location

6.175°S 103.669°E depth=26.5km (16.5mi)

Nearby Cities

  1. 101km (63mi) SSW of Biha, Indonesia
  2. 193km (120mi) WSW of Telukbetung, Indonesia
  3. 194km (121mi) WSW of Bandarlampung, Indonesia
  4. 201km (125mi) SW of Kotabumi, Indonesia
  5. 351km (218mi) W of Jakarta, Indonesia

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M4.5 – 101km ESE of Amahai, Indonesia 2013-05-11 14:36:35 UTC

Earthquake location 3.756°S, 129.726°E

Event Time

  1. 2013-05-11 14:36:35 UTC
  2. 2013-05-11 23:36:35 UTC+09:00 at epicenter
  3. 2013-05-11 09:36:35 UTC-05:00 system time

Location

3.756°S 129.726°E depth=40.5km (25.1mi)

Nearby Cities

  1. 101km (63mi) ESE of Amahai, Indonesia
  2. 171km (106mi) E of Ambon, Indonesia
  3. 360km (224mi) SSW of Sorong, Indonesia
  4. 396km (246mi) WNW of Tual, Indonesia
  5. 702km (436mi) NE of Dili, East Timor

….

Tectonic Summary

Seismotectonics of the New Guinea Region and Vicinity

The Australia-Pacific plate boundary is over 4000 km long on the northern margin, from the Sunda (Java) trench in the west to the Solomon Islands in the east. The eastern section is over 2300 km long, extending west from northeast of the Australian continent and the Coral Sea until it intersects the east coast of Papua New Guinea. The boundary is dominated by the general northward subduction of the Australia plate.

Along the South Solomon trench, the Australia plate converges with the Pacific plate at a rate of approximately 95 mm/yr towards the east-northeast. Seismicity along the trench is dominantly related to subduction tectonics and large earthquakes are common: there have been 13 M7.5+ earthquakes recorded since 1900. On April 1, 2007, a M8.1 interplate megathrust earthquake occurred at the western end of the trench, generating a tsunami and killing at least 40 people. This was the third M8.1 megathrust event associated with this subduction zone in the past century; the other two occurred in 1939 and 1977.

Further east at the New Britain trench, the relative motions of several microplates surrounding the Australia-Pacific boundary, including north-south oriented seafloor spreading in the Woodlark Basin south of the Solomon Islands, maintain the general northward subduction of Australia-affiliated lithosphere beneath Pacific-affiliated lithosphere. Most of the large and great earthquakes east of New Guinea are related to this subduction; such earthquakes are particularly concentrated at the cusp of the trench south of New Ireland. 33 M7.5+ earthquakes have been recorded since 1900, including three shallow thrust fault M8.1 events in 1906, 1919, and 2007.

….

Indonesia  –  6  Earthquakes  Ranging From  5.0 to 4.4 Magnitude  May 8th to 9th , 2013.   Total of 15 EQ’s in the last 7 days

….

Indonesia- 6 Earthquakes Ranging From 5.0 to 4.5 Magnitude May 3rd and 4th , 2013. Total of 9 EQ’s in the last 3 days

….

Indonesia- 3 Earthquakes Ranging From 5.3 to 4.3 Magnitude May 2nd , 2013

….

….

Earth Watch Report  –  Earthquakes

6.5 Magnitude Earthquake  - 32km N of Rabaul   Papua New Guinea photo 65MagnitudeEarthquake-32kmNofRabaulPapuaNewGuinea_zps8dada17a.jpg

6.5 32km N of Rabaul, Papua New Guinea 2013-04-23 23:14:42 3.911°S 152.127°E 16.3

M6.5 – 32km N of Rabaul, Papua New Guinea 2013-04-23 23:14:42 UTC

Earthquake location 3.911°S, 152.127°E

Event Time

  1. 2013-04-23 23:14:42 UTC
  2. 2013-04-24 09:14:42 UTC+10:00 at epicenter
  3. 2013-04-23 18:14:42 UTC-05:00 system time

Location

3.911°S 152.127°E depth=16.3km (10.1mi)

Nearby Cities

  1. 32km (20mi) N of Rabaul, Papua New Guinea
  2. 51km (32mi) NNW of Kokopo, Papua New Guinea
  3. 209km (130mi) SE of Kavieng, Papua New Guinea
  4. 285km (177mi) NE of Kimbe, Papua New Guinea
  5. 820km (510mi) NE of Port Moresby, Papua New Guinea

Instrumental Intensity

ShakeMap Intensity Image

Tectonic Summary

Seismotectonics of the New Guinea Region and Vicinity

The Australia-Pacific plate boundary is over 4000 km long on the northern margin, from the Sunda (Java) trench in the west to the Solomon Islands in the east. The eastern section is over 2300 km long, extending west from northeast of the Australian continent and the Coral Sea until it intersects the east coast of Papua New Guinea. The boundary is dominated by the general northward subduction of the Australia plate.

Along the South Solomon trench, the Australia plate converges with the Pacific plate at a rate of approximately 95 mm/yr towards the east-northeast. Seismicity along the trench is dominantly related to subduction tectonics and large earthquakes are common: there have been 13 M7.5+ earthquakes recorded since 1900. On April 1, 2007, a M8.1 interplate megathrust earthquake occurred at the western end of the trench, generating a tsunami and killing at least 40 people. This was the third M8.1 megathrust event associated with this subduction zone in the past century; the other two occurred in 1939 and 1977.

Further east at the New Britain trench, the relative motions of several microplates surrounding the Australia-Pacific boundary, including north-south oriented seafloor spreading in the Woodlark Basin south of the Solomon Islands, maintain the general northward subduction of Australia-affiliated lithosphere beneath Pacific-affiliated lithosphere. Most of the large and great earthquakes east of New Guinea are related to this subduction; such earthquakes are particularly concentrated at the cusp of the trench south of New Ireland. 33 M7.5+ earthquakes have been recorded since 1900, including three shallow thrust fault M8.1 events in 1906, 1919, and 2007.


6.5 PNG  PTWC  Tsunami Advisory a photo 65PNGPTWCTsunamiAdvisorya_zpsc65f43d5.jpg

6.5 PNG  PTWC  Tsunami Advisory b photo 65PNGPTWCTsunamiAdvisoryb_zps11edc433.jpg

Earth Watch Report  –  Biological Hazards

Dengue fever

Image Source

 

18.03.2013 Biological Hazard Solomon Islands Capital City, Honiara Damage level
Details

Biological Hazard in Solomon Islands on Monday, 18 March, 2013 at 03:52 (03:52 AM) UTC.

Description
Another person in the Solomon Islands capital Honiara has died from dengue fever and more than 200 people have been confirmed to have the illness in an outbreak authorities describe as the first major flare-up of the disease. A state of emergency is in place at the national referral hospital to enable staff to defer all non-emergency patients in favour of those with the Aedes mosquito-borne disease. The ministry of health’s permanent secretary says dengue fever has now killed two people and there are more than 900 suspected to have the illness, which typically causes very high fever and severe headache. Dr Lester Ross says health authorities are mounting a city-wide clean-up campaign on Wednesday to get rid of mosquito breeding grounds. “We have 74 people who have been admitted so far. I think on Friday we had about 20, just over 20 cases who were admitted into the national referral hospital.” Dr Lester Ross says four extra clinics – for assessing and stabilising people – have been set up to ease pressure on the hospital.
Biohazard name: Dengue Fever Outbreak
Biohazard level: 2/4 Medium
Biohazard desc.: Bacteria and viruses that cause only mild disease to humans, or are difficult to contract via aerosol in a lab setting, such as hepatitis A, B, and C, influenza A, Lyme disease, salmonella, mumps, measles, scrapie, dengue fever, and HIV. “Routine diagnostic work with clinical specimens can be done safely at Biosafety Level 2, using Biosafety Level 2 practices and procedures. Research work (including co-cultivation, virus replication studies, or manipulations involving concentrated virus) can be done in a BSL-2 (P2) facility, using BSL-3 practices and procedures. Virus production activities, including virus concentrations, require a BSL-3 (P3) facility and use of BSL-3 practices and procedures”, see Recommended Biosafety Levels for Infectious Agents.
Symptoms:
Status: confirmed

 

 

Earth Watch Report   –  Earthquakes

 

English: Aerial view of SOlomon Islands

 

 

 

****************************************************************************************************

5.1 64km WSW of Lata, Solomon Islands 2013-02-01 00:18:08 11.034°S 165.334°E 10.7

M5.1 – 64km WSW of Lata, Solomon Islands 2013-02-01 00:18:08 UTC

Earthquake location 11.034°S, 165.334°E

 

Event Time

  1. 2013-02-01 00:18:08 UTC
  2. 2013-02-01 11:18:08 UTC+11:00 at epicenter
  3. 2013-01-31 18:18:08 UTC-06:00 system time

Location

11.034°S 165.334°E depth=10.7km (6.6mi)

Nearby Cities

  1. 64km (40mi) WSW of Lata, Solomon Islands
  2. 535km (332mi) NNW of Luganville, Vanuatu
  3. 615km (382mi) ESE of Honiara, Solomon Islands
  4. 808km (502mi) NNW of Port-Vila, Vanuatu
  5. 1112km (691mi) N of We, New Caledonia

4.8 53km SW of Lata, Solomon Islands 2013-02-01 00:42:59 11.056°S 165.481°E 9.9

M4.8 – 53km SW of Lata, Solomon Islands 2013-02-01 00:42:59 UTC

Earthquake location 11.056°S, 165.481°E

 

Event Time

  1. 2013-02-01 00:42:59 UTC
  2. 2013-02-01 11:42:59 UTC+11:00 at epicenter
  3. 2013-01-31 18:42:59 UTC-06:00 system time

Location

11.056°S 165.481°E depth=9.9km (6.2mi)

Nearby Cities

  1. 53km (33mi) SW of Lata, Solomon Islands
  2. 527km (327mi) NNW of Luganville, Vanuatu
  3. 631km (392mi) ESE of Honiara, Solomon Islands
  4. 799km (496mi) NNW of Port-Vila, Vanuatu
  5. 1107km (688mi) N of We, New Caledonia

4.9 49km SW of Lata, Solomon Islands 2013-02-01 01:49:13 10.985°S 165.476°E 29.8

M4.9 – 49km SW of Lata, Solomon Islands 2013-02-01 01:49:13 UTC

Earthquake location 10.985°S, 165.476°E

 

Event Time

  1. 2013-02-01 01:49:13 UTC
  2. 2013-02-01 12:49:13 UTC+11:00 at epicenter
  3. 2013-01-31 19:49:13 UTC-06:00 system time

Location

10.985°S 165.476°E depth=29.8km (18.5mi)

Nearby Cities

  1. 49km (30mi) SW of Lata, Solomon Islands
  2. 535km (332mi) NNW of Luganville, Vanuatu
  3. 629km (391mi) ESE of Honiara, Solomon Islands
  4. 807km (501mi) NNW of Port-Vila, Vanuatu
  5. 1115km (693mi) N of We, New Caledonia

6.0 52km SW of Lata, Solomon Islands 2013-02-01 05:36:40 11.090°S 165.538°E 9.3

M6.0 – 52km SW of Lata, Solomon Islands 2013-02-01 05:36:40 UTC

Earthquake location 11.090°S, 165.538°E

 

Event Time

  1. 2013-02-01 05:36:40 UTC
  2. 2013-02-01 16:36:40 UTC+11:00 at epicenter
  3. 2013-01-31 23:36:40 UTC-06:00 system time

Location

11.090°S 165.538°E depth=9.3km (5.8mi)

Nearby Cities

  1. 52km (32mi) SW of Lata, Solomon Islands
  2. 522km (324mi) NNW of Luganville, Vanuatu
  3. 638km (396mi) ESE of Honiara, Solomon Islands
  4. 793km (493mi) NNW of Port-Vila, Vanuatu
  5. 1103km (685mi) N of We, New Caledonia

6.3 47km WSW of Lata, Solomon Islands 2013-02-01 22:16:36 10.926°S 165.450°E 19.9

M6.3 – 47km WSW of Lata, Solomon Islands 2013-02-01 22:16:36 UTC

Earthquake location 10.926°S, 165.450°E

 

Event Time

  1. 2013-02-01 22:16:36 UTC
  2. 2013-02-02 09:16:36 UTC+11:00 at epicenter
  3. 2013-02-01 16:16:36 UTC-06:00 system time

Location

10.926°S 165.450°E depth=19.9km (12.4mi)

Nearby Cities

  1. 47km (29mi) WSW of Lata, Solomon Islands
  2. 542km (337mi) NNW of Luganville, Vanuatu
  3. 624km (388mi) ESE of Honiara, Solomon Islands
  4. 814km (506mi) NNW of Port-Vila, Vanuatu
  5. 1122km (697mi) N of We, New Caledonia

Related Links

DOC > NOAA > NWS > Tsunami.gov

Current date and time is: Feb 3, 2013 01:54 UTC

No Tsunami Warnings, Advisories or Watches are in effect

6.4 67km SW of Lata, Solomon Islands 2013-02-01 22:18:35 11.063°S 165.326°E 22.0

M6.4 – 67km SW of Lata, Solomon Islands 2013-02-01 22:18:35 UTC

Earthquake location 11.063°S, 165.326°E

 

Event Time

  1. 2013-02-01 22:18:35 UTC
  2. 2013-02-02 09:18:35 UTC+11:00 at epicenter
  3. 2013-02-01 16:18:35 UTC-06:00 system time

Location

11.063°S 165.326°E depth=22.0km (13.7mi)

Nearby Cities

  1. 67km (42mi) SW of Lata, Solomon Islands
  2. 533km (331mi) NNW of Luganville, Vanuatu
  3. 615km (382mi) ESE of Honiara, Solomon Islands
  4. 805km (500mi) NNW of Port-Vila, Vanuatu
  5. 1109km (689mi) N of We, New Caledonia

4.9 72km SW of Lata, Solomon Islands 2013-02-01 22:26:30 11.148°S 165.339°E 9.8

M4.9 – 72km SW of Lata, Solomon Islands 2013-02-01 22:26:30 UTC

Earthquake location 11.148°S, 165.339°E

 

Event Time

  1. 2013-02-01 22:26:30 UTC
  2. 2013-02-02 09:26:30 UTC+11:00 at epicenter
  3. 2013-02-01 16:26:30 UTC-06:00 system time

Location

11.148°S 165.339°E depth=9.8km (6.1mi)

Nearby Cities

  1. 72km (45mi) SW of Lata, Solomon Islands
  2. 523km (325mi) NNW of Luganville, Vanuatu
  3. 619km (385mi) ESE of Honiara, Solomon Islands
  4. 796km (495mi) NNW of Port-Vila, Vanuatu
  5. 1100km (684mi) N of We, New Caledonia

5.0 68km SW of Lata, Solomon Islands 2013-02-02 01:15:49 11.146°S 165.387°E 26.9

M5.0 – 68km SW of Lata, Solomon Islands 2013-02-02 01:15:49 UTC

Earthquake location 11.146°S, 165.387°E

 

Event Time

  1. 2013-02-02 01:15:49 UTC
  2. 2013-02-02 12:15:49 UTC+11:00 at epicenter
  3. 2013-02-01 19:15:49 UTC-06:00 system time

Location

11.146°S 165.387°E depth=26.9km (16.7mi)

Nearby Cities

  1. 68km (42mi) SW of Lata, Solomon Islands
  2. 522km (324mi) NNW of Luganville, Vanuatu
  3. 624km (388mi) ESE of Honiara, Solomon Islands
  4. 794km (493mi) NNW of Port-Vila, Vanuatu
  5. 1099km (683mi) N of We, New Caledonia

4.9 66km W of Lata, Solomon Islands 2013-02-02 01:20:41 10.828°S 165.238°E 35.2

M4.9 – 66km W of Lata, Solomon Islands 2013-02-02 01:20:41 UTC

Earthquake location 10.828°S, 165.238°E

 

Event Time

  1. 2013-02-02 01:20:41 UTC
  2. 2013-02-02 12:20:41 UTC+11:00 at epicenter
  3. 2013-02-01 19:20:41 UTC-06:00 system time

Location

10.828°S 165.238°E depth=35.2km (21.9mi)

Nearby Cities

  1. 66km (41mi) W of Lata, Solomon Islands
  2. 561km (349mi) NNW of Luganville, Vanuatu
  3. 599km (372mi) ESE of Honiara, Solomon Islands
  4. 833km (518mi) NNW of Port-Vila, Vanuatu
  5. 1137km (706mi) N of We, New Caledonia

4.9 55km WSW of Lata, Solomon Islands 2013-02-02 03:39:51 10.864°S 165.347°E 19.8

M4.9 – 55km WSW of Lata, Solomon Islands 2013-02-02 03:39:51 UTC

Earthquake location 10.864°S, 165.347°E

 

Event Time

  1. 2013-02-02 03:39:51 UTC
  2. 2013-02-02 14:39:51 UTC+11:00 at epicenter
  3. 2013-02-01 21:39:51 UTC-06:00 system time

Location

10.864°S 165.347°E depth=19.8km (12.3mi)

Nearby Cities

  1. 55km (34mi) WSW of Lata, Solomon Islands
  2. 552km (343mi) NNW of Luganville, Vanuatu
  3. 612km (380mi) ESE of Honiara, Solomon Islands
  4. 824km (512mi) NNW of Port-Vila, Vanuatu
  5. 1131km (703mi) N of We, New Caledonia

5.6 82km WSW of Lata, Solomon Islands 2013-02-02 04:16:20 11.086°S 165.174°E 28.6

M5.6 – 82km WSW of Lata, Solomon Islands 2013-02-02 04:16:20 UTC

Earthquake location 11.086°S, 165.174°E

 

Event Time

  1. 2013-02-02 04:16:20 UTC
  2. 2013-02-02 15:16:20 UTC+11:00 at epicenter
  3. 2013-02-01 22:16:20 UTC-06:00 system time

Location

11.086°S 165.174°E depth=28.6km (17.7mi)

Nearby Cities

  1. 82km (51mi) WSW of Lata, Solomon Islands
  2. 537km (334mi) NNW of Luganville, Vanuatu
  3. 600km (373mi) ESE of Honiara, Solomon Islands
  4. 810km (503mi) NNW of Port-Vila, Vanuatu
  5. 1110km (690mi) NNW of We, New Caledonia

5.2 61km WSW of Lata, Solomon Islands 2013-02-02 18:54:31 10.970°S 165.333°E 31.1

M5.2 – 61km WSW of Lata, Solomon Islands 2013-02-02 18:54:31 UTC

Earthquake location 10.970°S, 165.333°E

 

Event Time

  1. 2013-02-02 18:54:31 UTC
  2. 2013-02-03 05:54:31 UTC+11:00 at epicenter
  3. 2013-02-02 12:54:31 UTC-06:00 system time

Location

10.970°S 165.333°E depth=31.1km (19.3mi)

Nearby Cities

  1. 61km (38mi) WSW of Lata, Solomon Islands
  2. 542km (337mi) NNW of Luganville, Vanuatu
  3. 613km (381mi) ESE of Honiara, Solomon Islands
  4. 814km (506mi) NNW of Port-Vila, Vanuatu
  5. 1119km (695mi) N of We, New Caledonia

6.0 68km WSW of Lata, Solomon Islands 2013-02-02 18:58:06 10.922°S 165.246°E 7.5

M6.0 – 68km WSW of Lata, Solomon Islands 2013-02-02 18:58:06 UTC

Earthquake location 10.922°S, 165.246°E

 

Event Time

  1. 2013-02-02 18:58:06 UTC
  2. 2013-02-03 05:58:06 UTC+11:00 at epicenter
  3. 2013-02-02 12:58:06 UTC-06:00 system time

Location

10.922°S 165.246°E depth=7.5km (4.7mi)

Nearby Cities

  1. 68km (42mi) WSW of Lata, Solomon Islands
  2. 550km (342mi) NNW of Luganville, Vanuatu
  3. 603km (375mi) ESE of Honiara, Solomon Islands
  4. 823km (511mi) NNW of Port-Vila, Vanuatu
  5. 1126km (700mi) NNW of We, New Caledonia

5.1 88km SW of Lata, Solomon Islands 2013-02-02 19:24:34 11.219°S 165.201°E 29.4

M5.1 – 88km SW of Lata, Solomon Islands 2013-02-02 19:24:34 UTC

Earthquake location 11.219°S, 165.201°E

 

Event Time

  1. 2013-02-02 19:24:34 UTC
  2. 2013-02-03 06:24:34 UTC+11:00 at epicenter
  3. 2013-02-02 13:24:34 UTC-06:00 system time

Location

11.219°S 165.201°E depth=29.4km (18.3mi)

Nearby Cities

  1. 88km (55mi) SW of Lata, Solomon Islands
  2. 522km (324mi) NNW of Luganville, Vanuatu
  3. 608km (378mi) ESE of Honiara, Solomon Islands
  4. 795km (494mi) NNW of Port-Vila, Vanuatu
  5. 1095km (680mi) NNW of We, New Caledonia

4.8 78km ENE of Lata, Solomon Islands 2013-02-02 20:46:30 10.366°S 166.457°E 10.3

M4.8 – 78km ENE of Lata, Solomon Islands 2013-02-02 20:46:30 UTC

Earthquake location 10.366°S, 166.457°E

 

Event Time

  1. 2013-02-02 20:46:30 UTC
  2. 2013-02-03 07:46:30 UTC+11:00 at epicenter
  3. 2013-02-02 14:46:30 UTC-06:00 system time

Location

10.366°S 166.457°E depth=10.3km (6.4mi)

Nearby Cities

  1. 78km (48mi) ENE of Lata, Solomon Islands
  2. 576km (358mi) N of Luganville, Vanuatu
  3. 721km (448mi) E of Honiara, Solomon Islands
  4. 839km (521mi) NNW of Port-Vila, Vanuatu
  5. 1170km (727mi) N of We, New Caledonia

5.1 72km SW of Lata, Solomon Islands 2013-02-02 21:20:35 11.132°S 165.322°E 10.0

M5.1 – 72km SW of Lata, Solomon Islands 2013-02-02 21:20:35 UTC

Earthquake location 11.132°S, 165.322°E

 

Event Time

  1. 2013-02-02 21:20:35 UTC
  2. 2013-02-03 08:20:35 UTC+11:00 at epicenter
  3. 2013-02-02 15:20:35 UTC-06:00 system time

Location

11.132°S 165.322°E depth=10.0km (6.2mi)

Nearby Cities

  1. 72km (45mi) SW of Lata, Solomon Islands
  2. 526km (327mi) NNW of Luganville, Vanuatu
  3. 617km (383mi) ESE of Honiara, Solomon Islands
  4. 798km (496mi) NNW of Port-Vila, Vanuatu
  5. 1102km (685mi) N of We, New Caledonia

4.7 103km SW of Lata, Solomon Islands 2013-02-02 22:31:58 11.322°S 165.113°E 10.0

M4.7 – 103km SW of Lata, Solomon Islands 2013-02-02 22:31:58 UTC

Earthquake location 11.322°S, 165.113°E

 

Event Time

  1. 2013-02-02 22:31:58 UTC
  2. 2013-02-03 09:31:58 UTC+11:00 at epicenter
  3. 2013-02-02 16:31:58 UTC-06:00 system time

Location

11.322°S 165.113°E depth=10.0km (6.2mi)

Nearby Cities

  1. 103km (64mi) SW of Lata, Solomon Islands
  2. 516km (321mi) NNW of Luganville, Vanuatu
  3. 602km (374mi) ESE of Honiara, Solomon Islands
  4. 789km (490mi) NNW of Port-Vila, Vanuatu
  5. 1086km (675mi) NNW of We, New Caledonia

4.6 78km E of Lata, Solomon Islands 2013-02-02 22:36:01 10.710°S 166.550°E 10.3

M4.6 – 78km E of Lata, Solomon Islands 2013-02-02 22:36:01 UTC

Earthquake location 10.710°S, 166.550°E

 

Event Time

  1. 2013-02-02 22:36:01 UTC
  2. 2013-02-03 09:36:01 UTC+11:00 at epicenter
  3. 2013-02-02 16:36:01 UTC-06:00 system time

Location

10.710°S 166.550°E depth=10.3km (6.4mi)

Nearby Cities

  1. 78km (48mi) E of Lata, Solomon Islands
  2. 537km (334mi) N of Luganville, Vanuatu
  3. 737km (458mi) ESE of Honiara, Solomon Islands
  4. 800km (497mi) NNW of Port-Vila, Vanuatu
  5. 1132km (703mi) N of We, New Caledonia

Earth Watch Report  –  Earthquakes

 

Globe with Earthquake Location

6.7 – SANTA CRUZ ISLANDS

Preliminary Earthquake Report
Magnitude 6.7
Date-Time
  • 1 Feb 2013 22:16:37 UTC
  • 2 Feb 2013 09:16:37 near epicenter
  • 1 Feb 2013 16:16:37 standard time in your timezone
Location 10.997S 165.403E
Depth 34 km
Distances
  • 384 km (239 miles) E (99 degrees) of Kira Kira, Solomon Islands
  • 620 km (386 miles) ESE (106 degrees) of HONIARA, Solomon Islands
  • 1999 km (1242 miles) E (96 degrees) of PORT MORESBY, Papua New Guinea
Location Uncertainty Horizontal: 15.7 km; Vertical 5.0 km
Parameters Nph = 269; Dmin = 622.0 km; Rmss = 1.57 seconds; Gp = 28°
Version = A
Event ID us c000ezv6

For updates, maps, and technical information, see:
Event Page
or
USGS Earthquake Hazards Program

National Earthquake Information Center
U.S. Geological Survey
http://earthquake.usgs.gov/regional/neic/

6.0 52km SW of Lata, Solomon Islands 2013-02-01 05:36:40 11.090°S 165.538°E 9.3

M6.0 – 52km SW of Lata, Solomon Islands 2013-02-01 05:36:40 UTC

Earthquake location 11.090°S, 165.538°E

Event Time

  1. 2013-02-01 05:36:40 UTC
  2. 2013-02-01 16:36:40 UTC+11:00 at epicenter
  3. 2013-01-31 23:36:40 UTC-06:00 system time

Location

11.090°S 165.538°E depth=9.3km (5.8mi)

Nearby Cities

  1. 52km (32mi) SW of Lata, Solomon Islands
  2. 522km (324mi) NNW of Luganville, Vanuatu
  3. 638km (396mi) ESE of Honiara, Solomon Islands
  4. 793km (493mi) NNW of Port-Vila, Vanuatu
  5. 1103km (685mi) N of We, New Caledonia

5.7 69km SW of Lata, Solomon Islands 2013-02-01 22:18:35 11.133°S 165.361°E 22.3

M5.7 – 69km SW of Lata, Solomon Islands 2013-02-01 22:18:35 UTC

Earthquake location 11.133°S, 165.361°E

Event Time

  1. 2013-02-01 22:18:35 UTC
  2. 2013-02-02 09:18:35 UTC+11:00 at epicenter
  3. 2013-02-01 16:18:35 UTC-06:00 system time

Location

11.133°S 165.361°E depth=22.3km (13.9mi)

Nearby Cities

  1. 69km (43mi) SW of Lata, Solomon Islands
  2. 524km (326mi) NNW of Luganville, Vanuatu
  3. 621km (386mi) ESE of Honiara, Solomon Islands
  4. 796km (495mi) NNW of Port-Vila, Vanuatu
  5. 1101km (684mi) N of We, New Caledonia

 

4.9 72km SW of Lata, Solomon Islands 2013-02-01 22:26:30 11.148°S 165.339°E 9.8

M4.9 – 72km SW of Lata, Solomon Islands 2013-02-01 22:26:30 UTC

Earthquake location 11.148°S, 165.339°E

 

Event Time

  1. 2013-02-01 22:26:30 UTC
  2. 2013-02-02 09:26:30 UTC+11:00 at epicenter
  3. 2013-02-01 16:26:30 UTC-06:00 system time

Location

11.148°S 165.339°E depth=9.8km (6.1mi)

Nearby Cities

  1. 72km (45mi) SW of Lata, Solomon Islands
  2. 523km (325mi) NNW of Luganville, Vanuatu
  3. 619km (385mi) ESE of Honiara, Solomon Islands
  4. 796km (495mi) NNW of Port-Vila, Vanuatu
  5. 1100km (684mi) N of We, New Caledonia

5.0 68km SW of Lata, Solomon Islands 2013-02-02 01:15:49 11.146°S 165.387°E 26.9

M5.0 – 68km SW of Lata, Solomon Islands 2013-02-02 01:15:49 UTC

Earthquake location 11.146°S, 165.387°E

4.9 66km W of Lata, Solomon Islands 2013-02-02 01:20:41 10.828°S 165.238°E 35.2

M4.9 – 66km W of Lata, Solomon Islands 2013-02-02 01:20:41 UTC

Earthquake location 10.828°S, 165.238°E

Event Time

  1. 2013-02-02 01:20:41 UTC
  2. 2013-02-02 12:20:41 UTC+11:00 at epicenter
  3. 2013-02-01 19:20:41 UTC-06:00 system time

Location

10.828°S 165.238°E depth=35.2km (21.9mi)

Nearby Cities

  1. 66km (41mi) W of Lata, Solomon Islands
  2. 561km (349mi) NNW of Luganville, Vanuatu
  3. 599km (372mi) ESE of Honiara, Solomon Islands
  4. 833km (518mi) NNW of Port-Vila, Vanuatu
  5. 1137km (706mi) N of We, New Caledonia

Earth Watch Report  –  Earthquakes

 

6.2 60km SW of Lata, Solomon Islands 2013-02-01 05:36:41 11.134°S 165.480°E 7.1

M6.2 – 60km SW of Lata, Solomon Islands 2013-02-01 05:36:41 UTC

Earthquake location 11.134°S, 165.480°E

Event Time

  1. 2013-02-01 05:36:41 UTC
  2. 2013-02-01 16:36:41 UTC+11:00 at epicenter
  3. 2013-01-31 23:36:41 UTC-06:00 system time

Location

11.134°S 165.480°E depth=7.1km (4.4mi)

Nearby Cities

  1. 60km (37mi) SW of Lata, Solomon Islands
  2. 519km (322mi) NNW of Luganville, Vanuatu
  3. 634km (394mi) ESE of Honiara, Solomon Islands
  4. 791km (492mi) NNW of Port-Vila, Vanuatu
  5. 1099km (683mi) N of We, New Caledonia

 

Earth Watch Report  –  Earthquake

File:Map of the Santa Cruz Islands (Solomon Islands).png

Globe with Earthquake Location

6.0 – SANTA CRUZ ISLANDS

Preliminary Earthquake Report
Magnitude 6.0
Date-Time
  • 30 Jan 2013 23:03:45 UTC
  • 31 Jan 2013 10:03:45 near epicenter
  • 30 Jan 2013 17:03:45 standard time in your timezone
Location 10.518S 166.486E
Depth 10 km
Distances
  • 498 km (309 miles) E (91 degrees) of Kira Kira, Solomon Islands
  • 725 km (451 miles) E (100 degrees) of HONIARA, Solomon Islands
  • 2115 km (1314 miles) E (95 degrees) of PORT MORESBY, Papua New Guinea
Location Uncertainty Horizontal: 14.8 km; Vertical 2.7 km
Parameters Nph = 214; Dmin = 726.5 km; Rmss = 1.41 seconds; Gp = 49°
Version = A
Event ID us c000eyur

For updates, maps, and technical information, see:
Event Page
or
USGS Earthquake Hazards Program

National Earthquake Information Center
U.S. Geological Survey
http://earthquake.usgs.gov/regional/neic/

30.01.2013 23:30:45 6.0 Solomon Islands Lata There are volcano(s) nearby the epicenter. VulkĂĄn 0 VulkĂĄn 0 USGS-RSOE Details

Preliminary Earthquake Report

 

EDIS Number: EQ-20130130-302098-SLB Common Alerting Protocol
Magnitude: 6.0
Mercalli scale: 6
Date-Time [UTC]: Wednesday, 30th January 2013 at 11:03 PM
Local Date/Time: Wednesday, January 30, 2013 at 10:03 in the moorning at epicenter
Coordinate: 10° 31.098, 166° 29.172
Depth: 10.00 km (6.21 miles)
Hypocentrum: Shallow depth
Class: Strong
Region:
Country: Solomon Islands
Location: 74.79 km (46.47 miles) – of Lata, Solomon Islands
Source: USGS
Generated Tsunami: Not or no data
Damage: Not or no data
The potential impact of the earthquake
Everyone feels movement. People have trouble walking. Objects fall from shelves. Pictures fall off walls. Furniture moves. Plaster in walls might crack. Trees and bushes shake. Damage is slight in poorly built buildings. No structural damage.

….

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