Shallow M6.0 earthquake hits near the coast of Andreanof Islands, Alaska


A shallow earthquake registered by the USGS as M6.0 hit near the coast of Atka, Andreanof Islands, Alaska at 01:35 UTC on March 19, 2016. The agency is reporting a depth of 17 km (10.6 miles).  EMSC is reporting M6.1 at a depth of 10 km (6.1 miles).

The epicenter was located 76 km (47 miles) S of Atka, Alaska and 1 549 km (963 miles) SSE of Anadyr', Russia.

There are about 188 people living within 100 km (62 miles) radius.

USGS issued a green alert for shaking-related fatalities and economic losses. There is a low likelihood of casualties and damage. Overall, the population in this region resides in structures that are resistant to earthquake shaking, though some vulnerable structures exist.

This was ~40th M2.5+ earthquake registered in this area since February 18. The strongest was M6.3 on March 12.

Since March 12 (7 days), USGS registered a total of 63 earthquakes (all magnitudes) south of Atka. 41 of them had magnitudes 2.5 and above. Since February 18 (30 days), there were 45 M2.5+ earthquakes in the same region (by 04:41 UTC on March 19).

Image credit: USGS

  1. 4.5123km S of Atka, Alaska2016-03-19 04:41:17 UTC10.0 km
  2. 4.961km SE of Atka, Alaska2016-03-19 03:59:59 UTC10.0 km
  3. 4.190km S of Atka, Alaska2016-03-19 02:31:35 UTC10.0 km
  4. 4.1120km S of Atka, Alaska2016-03-19 02:06:50 UTC10.0 km
  5. 6.076km S of Atka, Alaska2016-03-19 01:35:12 UTC17.0 km
  6. 5.090km S of Atka, Alaska2016-03-19 01:22:16 UTC10.0 km
  7. 3.491km SSE of Atka, Alaska2016-03-18 13:33:59 UTC25.1 km
  8. 4.484km SSE of Atka, Alaska2016-03-18 11:52:20 UTC37.0 km
  9. 5.175km SSE of Atka, Alaska2016-03-18 09:38:12 UTC55.4 km
  10. 3.9104km SSE of Atka, Alaska2016-03-18 09:19:48 UTC48.1 km
  11. 3.188km SE of Atka, Alaska2016-03-18 07:32:50 UTC35.4 km
  12. 2.973km S of Atka, Alaska2016-03-18 02:05:36 UTC4.0 km
  13. 4.1127km SSE of Atka, Alaska2016-03-16 23:13:12 UTC10.0 km
  14. 4.191km SSE of Atka, Alaska2016-03-15 22:55:11 UTC10.0 km
  15. 2.987km SSE of Atka, Alaska2016-03-15 14:41:43 UTC25.9 km
  16. 4.280km SSE of Atka, Alaska2016-03-15 10:58:43 UTC37.5 km
  17. 4.668km SSE of Atka, Alaska2016-03-13 14:18:46 UTC10.0 km
  18. 5.474km SSE of Atka, Alaska2016-03-13 04:19:25 UTC10.0 km
  19. 4.1103km S of Atka, Alaska2016-03-13 03:55:17 UTC10.0 km
  20. 5.058km S of Atka, Alaska2016-03-13 03:20:03 UTC10.0 km
  21. 4.682km S of Atka, Alaska2016-03-13 02:28:47 UTC10.0 km
  22. 2.690km S of Atka, Alaska2016-03-12 23:56:56 UTC10.0 km
  23. 3.4101km S of Atka, Alaska2016-03-12 23:56:05 UTC13.0 km
  24. 3.396km SSE of Atka, Alaska2016-03-12 22:42:32 UTC17.5 km
  25. 3.191km SSE of Atka, Alaska2016-03-12 22:30:53 UTC8.0 km
  26. 4.090km S of Atka, Alaska2016-03-12 21:29:20 UTC25.7 km
  27. 2.588km S of Atka, Alaska2016-03-12 20:25:40 UTC16.6 km
  28. 3.784km S of Atka, Alaska2016-03-12 19:59:07 UTC8.6 km
  29. 3.186km S of Atka, Alaska2016-03-12 19:50:21 UTC15.3 km
  30. 2.5109km S of Atka, Alaska2016-03-12 19:43:45 UTC14.7 km
  31. 2.579km S of Atka, Alaska2016-03-12 19:16:52 UTC12.3 km
  32. 3.3101km SSE of Atka, Alaska2016-03-12 19:01:42 UTC15.0 km
  33. 3.282km S of Atka, Alaska2016-03-12 18:15:26 UTC3.2 km
  34. 6.371km S of Atka, Alaska2016-03-12 18:06:45 UTC19.0 km
  35. 4.628km S of Atka, Alaska2016-03-12 18:01:04 UTC40.1 km
  36. 2.791km S of Atka, Alaska2016-03-12 16:23:18 UTC13.6 km
  37. 2.692km S of Atka, Alaska2016-03-12 14:22:06 UTC23.3 km
  38. 2.993km S of Atka, Alaska2016-03-12 13:29:19 UTC25.5 km
  39. 5.492km SSE of Atka, Alaska2016-03-12 13:23:39 UTC18.0 km
  40. 3.698km SSE of Atka, Alaska2016-03-12 12:40:07 UTC25.7 km
  41. 4.679km S of Atka, Alaska2016-03-12 11:55:51 UTC33.8 km
7 days (March 12 – 19), M2.5+. Data source: USGS (updated at 07:12 UTC on March 19)

Featured image credit: USGS


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