M3.6 earthquake 81 km SSE of Atka, Alaska

Magnitude

3.6 (mb, body-wave), minor

Magnitude from

USGS National Earthquake Information Center

Local time

Tue, Mar 15, 2016, 8:08 PM HADT

UTC

2016-03-16 05:08:59 UTC

Depth

46.5 km (28.9 mi), shallow

Epicenter

51.562° N, 173.618° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 14.4 km horizontally, 10.2 km in depth

Magnitude uncertainty

±0.18

Depth from

From location

Station coverage gap

217°, poorly surrounded by stations

Stations used

17

After

1. 3.678 km SE of Atka, AlaskaWed, Mar 16, 1:21 PM HADT · 3854 days ago · 10 km deep · 8 km away
2. 4.397 km SSE of Atka, AlaskaWed, Mar 16, 2:13 PM HADT · 3854 days ago · 10 km deep · 16 km away
3. 2.874 km SSE of Atka, AlaskaThu, Mar 17, 12:09 AM HADT · 3853 days ago · 21 km deep · 11 km away
4. 2.079 km S of Atka, AlaskaThu, Mar 17, 11:53 AM HADT · 3853 days ago · 42 km deep · 28 km away
5. 2.186 km SSE of Atka, AlaskaThu, Mar 17, 1:21 PM HADT · 3853 days ago · 40 km deep · 7 km away
6. 2.973 km S of Atka, AlaskaThu, Mar 17, 5:05 PM HADT · 3853 days ago · 6 km deep · 48 km away
7. 2.0132 km S of Atka, AlaskaThu, Mar 17, 5:39 PM HADT · 3853 days ago · 5 km deep · 78 km away
8. 2.480 km S of Atka, AlaskaThu, Mar 17, 6:16 PM HADT · 3853 days ago · 19 km deep · 38 km away
9. 2.988 km SSE of Atka, AlaskaThu, Mar 17, 10:32 PM HADT · 3852 days ago · 25 km deep · 8 km away
10. 4.2Andreanof Islands, Aleutian Islands, AlaskaFri, Mar 18, 12:19 AM HADT · 3852 days ago · 22 km deep · 33 km away
11. 2.497 km S of Atka, AlaskaFri, Mar 18, 12:24 AM HADT · 3852 days ago · 15 km deep · 44 km away
12. 5.185 km SSE of Atka, AlaskaFri, Mar 18, 12:38 AM HADT · 3852 days ago · 10 km deep · 6 km away
13. 3.886 km SSE of Atka, AlaskaFri, Mar 18, 12:45 AM HADT · 3852 days ago · 26 km deep · 6 km away
14. 4.484 km SSE of Atka, AlaskaFri, Mar 18, 2:52 AM HADT · 3852 days ago · 28 km deep · 4 km away
15. 2.480 km SSE of Atka, AlaskaFri, Mar 18, 3:40 AM HADT · 3852 days ago · 26 km deep · 1 km away
16. 3.899 km SSE of Atka, AlaskaFri, Mar 18, 4:33 AM HADT · 3852 days ago · 10 km deep · 18 km away
17. 2.265 km SSE of Atka, AlaskaFri, Mar 18, 4:44 AM HADT · 3852 days ago · 4 km deep · 23 km away
18. 2.3106 km SSE of Atka, AlaskaFri, Mar 18, 8:37 AM HADT · 3852 days ago · 39 km deep · 30 km away
19. 5.090 km S of Atka, AlaskaFri, Mar 18, 4:22 PM HADT · 3852 days ago · 10 km deep · 45 km away
20. 2.575 km S of Atka, AlaskaFri, Mar 18, 4:26 PM HADT · 3852 days ago · 10 km deep · 35 km away
21. 6.075 km S of Atka, AlaskaFri, Mar 18, 4:35 PM HADT · 3852 days ago · 17 km deep · 37 km away · felt by 1
22. 3.5Andreanof Islands, Aleutian Islands, AlaskaFri, Mar 18, 4:40 PM HADT · 3852 days ago · 20 km deep · 41 km away
23. 3.186 km S of Atka, AlaskaFri, Mar 18, 4:42 PM HADT · 3852 days ago · 10 km deep · 40 km away
24. 2.3104 km S of Atka, AlaskaFri, Mar 18, 4:45 PM HADT · 3852 days ago · 12 km deep · 52 km away
25. 3.090 km S of Atka, AlaskaFri, Mar 18, 4:49 PM HADT · 3852 days ago · 10 km deep · 56 km away
26. 2.1Andreanof Islands, Aleutian Islands, AlaskaFri, Mar 18, 4:57 PM HADT · 3852 days ago · 20 km deep · 48 km away
27. 4.2113 km S of Atka, AlaskaFri, Mar 18, 5:06 PM HADT · 3852 days ago · 10 km deep · 51 km away
28. 2.0Andreanof Islands, Aleutian Islands, AlaskaFri, Mar 18, 5:15 PM HADT · 3852 days ago · 6 km deep · 52 km away
29. 3.2104 km S of Atka, AlaskaFri, Mar 18, 5:18 PM HADT · 3852 days ago · 10 km deep · 50 km away
30. 3.094 km S of Atka, AlaskaFri, Mar 18, 5:24 PM HADT · 3852 days ago · 16 km deep · 46 km away
31. 4.2106 km S of Atka, AlaskaFri, Mar 18, 5:31 PM HADT · 3852 days ago · 11 km deep · 47 km away
32. 2.392 km S of Atka, AlaskaFri, Mar 18, 5:45 PM HADT · 3852 days ago · 3 km deep · 53 km away
33. 2.388 km S of Atka, AlaskaFri, Mar 18, 5:49 PM HADT · 3852 days ago · 3 km deep · 57 km away
34. 2.4105 km S of Atka, AlaskaFri, Mar 18, 5:54 PM HADT · 3852 days ago · 19 km deep · 52 km away
35. 2.2101 km S of Atka, AlaskaFri, Mar 18, 6:24 PM HADT · 3852 days ago · 25 km deep · 38 km away
36. 2.1120 km SSE of Atka, AlaskaFri, Mar 18, 6:26 PM HADT · 3852 days ago · 25 km deep · 49 km away
37. 2.3100 km S of Atka, AlaskaFri, Mar 18, 6:36 PM HADT · 3852 days ago · 10 km deep · 61 km away
38. 2.0105 km S of Atka, AlaskaFri, Mar 18, 6:48 PM HADT · 3852 days ago · 6 km deep · 54 km away
39. 4.961 km SE of Atka, AlaskaFri, Mar 18, 6:59 PM HADT · 3852 days ago · 10 km deep · 26 km away
40. 3.488 km S of Atka, AlaskaFri, Mar 18, 7:09 PM HADT · 3852 days ago · 10 km deep · 43 km away
41. 3.0103 km S of Atka, AlaskaFri, Mar 18, 7:15 PM HADT · 3852 days ago · 15 km deep · 48 km away
42. 2.1113 km S of Atka, AlaskaFri, Mar 18, 7:17 PM HADT · 3852 days ago · 26 km deep · 57 km away
43. 4.599 km S of Atka, AlaskaFri, Mar 18, 7:41 PM HADT · 3852 days ago · 17 km deep · 49 km away
44. 2.3100 km S of Atka, AlaskaFri, Mar 18, 7:44 PM HADT · 3852 days ago · 8 km deep · 56 km away
45. 2.9123 km S of Atka, AlaskaFri, Mar 18, 8:03 PM HADT · 3852 days ago · 25 km deep · 58 km away
46. 1.981 km S of Atka, AlaskaFri, Mar 18, 8:11 PM HADT · 3852 days ago · 3 km deep · 52 km away
47. 1.9104 km S of Atka, AlaskaFri, Mar 18, 8:27 PM HADT · 3852 days ago · 13 km deep · 57 km away
48. 1.9102 km S of Atka, AlaskaFri, Mar 18, 9:04 PM HADT · 3851 days ago · 10 km deep · 54 km away
49. 2.2105 km S of Atka, AlaskaFri, Mar 18, 9:33 PM HADT · 3851 days ago · 26 km deep · 52 km away
50. 3.0111 km S of Atka, AlaskaFri, Mar 18, 9:38 PM HADT · 3851 days ago · 22 km deep · 51 km away
51. 2.0106 km S of Atka, AlaskaFri, Mar 18, 10:26 PM HADT · 3851 days ago · 14 km deep · 53 km away
52. 2.0101 km S of Atka, AlaskaFri, Mar 18, 10:36 PM HADT · 3851 days ago · 6 km deep · 56 km away
53. 1.990 km S of Atka, AlaskaFri, Mar 18, 10:53 PM HADT · 3851 days ago · 3 km deep · 54 km away
54. 2.097 km S of Atka, AlaskaFri, Mar 18, 10:55 PM HADT · 3851 days ago · 12 km deep · 45 km away
55. 2.1113 km S of Atka, AlaskaFri, Mar 18, 11:31 PM HADT · 3851 days ago · 10 km deep · 56 km away
56. 2.0103 km S of Atka, AlaskaFri, Mar 18, 11:33 PM HADT · 3851 days ago · 14 km deep · 53 km away
57. 2.7102 km S of Atka, AlaskaFri, Mar 18, 11:45 PM HADT · 3851 days ago · 10 km deep · 55 km away
58. 1.9106 km S of Atka, AlaskaFri, Mar 18, 11:47 PM HADT · 3851 days ago · 26 km deep · 54 km away
59. 4.095 km S of Atka, AlaskaFri, Mar 18, 11:50 PM HADT · 3851 days ago · 23 km deep · 50 km away
60. 2.0101 km S of Atka, AlaskaFri, Mar 18, 11:55 PM HADT · 3851 days ago · 19 km deep · 53 km away

The first 60 of at least 199.

Before

1. 4.398 km SSE of Atka, AlaskaTue, Mar 15, 1:55 PM HADT · 3855 days ago · 10 km deep · 17 km away · tsunami flag
2. 2.396 km SSE of Atka, AlaskaTue, Mar 15, 9:00 AM HADT · 3855 days ago · 11 km deep · 31 km away
3. 2.132 km SSW of Atka, AlaskaTue, Mar 15, 8:48 AM HADT · 3855 days ago · 61 km deep · 63 km away
4. 3.793 km SSE of Atka, AlaskaTue, Mar 15, 6:24 AM HADT · 3855 days ago · 33 km deep · 13 km away
5. 3.686 km SSE of Atka, AlaskaTue, Mar 15, 5:41 AM HADT · 3855 days ago · 29 km deep · 5 km away
6. 3.5102 km SSE of Atka, AlaskaTue, Mar 15, 2:06 AM HADT · 3855 days ago · 26 km deep · 22 km away
7. 4.381 km SE of Atka, AlaskaTue, Mar 15, 1:58 AM HADT · 3855 days ago · 50 km deep · 9 km away
8. 2.293 km S of Atka, AlaskaMon, Mar 14, 11:13 PM HADT · 3855 days ago · 25 km deep · 40 km away
9. 2.293 km S of Atka, AlaskaMon, Mar 14, 9:55 PM HADT · 3855 days ago · 12 km deep · 43 km away
10. 2.199 km S of Atka, AlaskaMon, Mar 14, 3:47 PM HADT · 3856 days ago · 16 km deep · 36 km away
11. 2.5129 km S of Atka, AlaskaMon, Mar 14, 1:48 PM HADT · 3856 days ago · 6 km deep · 71 km away
12. 2.581 km SE of Atka, AlaskaMon, Mar 14, 4:36 AM HADT · 3856 days ago · 13 km deep · 16 km away
13. 4.495 km S of Atka, AlaskaSun, Mar 13, 10:28 PM HADT · 3856 days ago · 20 km deep · 34 km away
14. 3.696 km S of Atka, AlaskaSun, Mar 13, 9:15 PM HADT · 3856 days ago · 16 km deep · 39 km away
15. 3.8112 km SSE of Atka, AlaskaSun, Mar 13, 4:13 PM HADT · 3857 days ago · 10 km deep · 43 km away
16. 2.678 km SSE of Atka, AlaskaSun, Mar 13, 2:57 PM HADT · 3857 days ago · 2 km deep · 4 km away
17. 2.2103 km S of Atka, AlaskaSun, Mar 13, 2:56 PM HADT · 3857 days ago · 26 km deep · 39 km away
18. 2.292 km S of Atka, AlaskaSun, Mar 13, 1:03 PM HADT · 3857 days ago · 16 km deep · 34 km away
19. 3.848 km S of Atka, AlaskaSun, Mar 13, 11:57 AM HADT · 3857 days ago · 53 km deep · 40 km away
20. 2.5102 km SSE of Atka, AlaskaSun, Mar 13, 11:28 AM HADT · 3857 days ago · 24 km deep · 30 km away

From the USGS Earthquake Hazards Program and its partner networks, event us20005at3. Read Sun, Oct 4, 2026, 5:33 PM UTC.