M1.7 earthquake 100 km W of Adak, Alaska

Magnitude

1.7 (ML, local (Richter)), micro

Magnitude from

AV

Local time

Sat, Mar 11, 2023, 10:09 AM HAST

UTC

2023-03-11 20:09:16 UTC

Depth

2.1 km (1.3 mi), shallow

Epicenter

51.860° N, 178.096° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.5 km horizontally, 1.3 km in depth

Magnitude uncertainty

±0.17

Depth from

From location

Station coverage gap

213°, poorly surrounded by stations

Stations used

4

After

1. 2.087 km W of Adak, AlaskaSat, Mar 11, 10:09 AM HAST · 1301 days ago · 6 km deep · 14 km away
2. 2.0100 km W of Adak, AlaskaSat, Mar 11, 10:18 AM HAST · 1301 days ago · 4 km deep · 1 km away
3. 3.096 km W of Adak, AlaskaSat, Mar 11, 10:45 AM HAST · 1301 days ago · 3 km deep · 5 km away
4. 1.789 km W of Adak, AlaskaSat, Mar 11, 10:52 AM HAST · 1301 days ago · 3 km deep · 11 km away
5. 1.788 km W of Adak, AlaskaSat, Mar 11, 11:49 AM HAST · 1301 days ago · 5 km deep · 12 km away
6. 2.0102 km W of Adak, AlaskaSat, Mar 11, 12:00 PM HAST · 1301 days ago · 6 km deep · 2 km away
7. 1.6102 km W of Adak, AlaskaSat, Mar 11, 12:07 PM HAST · 1301 days ago · 6 km deep · 2 km away
8. 1.6Andreanof Islands, Aleutian Islands, AlaskaSat, Mar 11, 12:15 PM HAST · 1301 days ago · 5 km deep · 4 km away
9. 2.799 km W of Adak, AlaskaSat, Mar 11, 12:24 PM HAST · 1301 days ago · 5 km deep · 2 km away
10. 1.9Andreanof Islands, Aleutian Islands, AlaskaSat, Mar 11, 12:42 PM HAST · 1301 days ago · 6 km deep · 1 km away
11. 1.9Andreanof Islands, Aleutian Islands, AlaskaSat, Mar 11, 12:45 PM HAST · 1301 days ago · 4 km deep · 1 km away
12. 1.7103 km W of Adak, AlaskaSat, Mar 11, 1:30 PM HAST · 1301 days ago · 5 km deep · 3 km away
13. 2.1103 km W of Adak, AlaskaSat, Mar 11, 2:04 PM HAST · 1301 days ago · 3 km deep · 2 km away
14. 1.699 km W of Adak, AlaskaSat, Mar 11, 2:10 PM HAST · 1301 days ago · 2 km deep · 1 km away
15. 1.9114 km WSW of Adak, AlaskaSat, Mar 11, 2:11 PM HAST · 1301 days ago · 13 km deep · 41 km away
16. 1.690 km W of Adak, AlaskaSat, Mar 11, 2:14 PM HAST · 1301 days ago · 6 km deep · 10 km away
17. 1.696 km W of Adak, AlaskaSat, Mar 11, 2:23 PM HAST · 1301 days ago · -1 km deep · 5 km away
18. 1.689 km W of Adak, AlaskaSat, Mar 11, 2:34 PM HAST · 1301 days ago · 3 km deep · 12 km away
19. 2.7101 km W of Adak, AlaskaSat, Mar 11, 2:46 PM HAST · 1301 days ago · 5 km deep · 3 km away
20. 2.788 km W of Adak, AlaskaSat, Mar 11, 2:52 PM HAST · 1301 days ago · 5 km deep · 12 km away
21. 1.787 km W of Adak, AlaskaSat, Mar 11, 3:06 PM HAST · 1301 days ago · 7 km deep · 13 km away
22. 1.7100 km W of Adak, AlaskaSat, Mar 11, 3:30 PM HAST · 1301 days ago · 4 km deep · 1 km away
23. 1.998 km W of Adak, AlaskaSat, Mar 11, 3:46 PM HAST · 1300 days ago · -2 km deep · 2 km away
24. 1.887 km W of Adak, AlaskaSat, Mar 11, 3:54 PM HAST · 1300 days ago · 7 km deep · 13 km away
25. 1.699 km W of Adak, AlaskaSat, Mar 11, 4:08 PM HAST · 1300 days ago · 4 km deep · 2 km away
26. 1.9101 km W of Adak, AlaskaSat, Mar 11, 4:20 PM HAST · 1300 days ago · 4 km deep · 1 km away
27. 1.9103 km W of Adak, AlaskaSat, Mar 11, 4:54 PM HAST · 1300 days ago · 7 km deep · 3 km away
28. 1.8101 km W of Adak, AlaskaSat, Mar 11, 5:42 PM HAST · 1300 days ago · 4 km deep · 2 km away
29. 1.6100 km W of Adak, AlaskaSat, Mar 11, 6:42 PM HAST · 1300 days ago · 3 km deep · 0 km away
30. 1.996 km W of Adak, AlaskaSat, Mar 11, 6:59 PM HAST · 1300 days ago · -1 km deep · 5 km away
31. 1.798 km W of Adak, AlaskaSat, Mar 11, 7:19 PM HAST · 1300 days ago · -2 km deep · 2 km away
32. 1.599 km W of Adak, AlaskaSat, Mar 11, 7:24 PM HAST · 1300 days ago · 4 km deep · 1 km away
33. 1.8104 km W of Adak, AlaskaSat, Mar 11, 7:59 PM HAST · 1300 days ago · 5 km deep · 4 km away
34. 1.8100 km W of Adak, AlaskaSat, Mar 11, 8:04 PM HAST · 1300 days ago · 4 km deep · 1 km away
35. 1.5100 km W of Adak, AlaskaSat, Mar 11, 8:16 PM HAST · 1300 days ago · 4 km deep · 0 km away
36. 1.6100 km W of Adak, AlaskaSat, Mar 11, 8:23 PM HAST · 1300 days ago · 4 km deep · 1 km away
37. 2.093 km W of Adak, AlaskaSat, Mar 11, 8:32 PM HAST · 1300 days ago · 3 km deep · 8 km away
38. 2.1100 km W of Adak, AlaskaSat, Mar 11, 9:00 PM HAST · 1300 days ago · 4 km deep · 1 km away
39. 2.2100 km W of Adak, AlaskaSat, Mar 11, 9:01 PM HAST · 1300 days ago · 4 km deep · 0 km away
40. 1.7101 km W of Adak, AlaskaSat, Mar 11, 9:04 PM HAST · 1300 days ago · -2 km deep · 1 km away
41. 1.593 km W of Adak, AlaskaSat, Mar 11, 9:12 PM HAST · 1300 days ago · 5 km deep · 7 km away
42. 2.4102 km W of Adak, AlaskaSat, Mar 11, 9:14 PM HAST · 1300 days ago · 7 km deep · 5 km away
43. 1.9100 km W of Adak, AlaskaSat, Mar 11, 9:46 PM HAST · 1300 days ago · 5 km deep · 1 km away
44. 1.6100 km W of Adak, AlaskaSat, Mar 11, 9:48 PM HAST · 1300 days ago · 3 km deep · 1 km away
45. 1.6100 km W of Adak, AlaskaSat, Mar 11, 10:01 PM HAST · 1300 days ago · 2 km deep · 1 km away
46. 2.5100 km W of Adak, AlaskaSat, Mar 11, 10:15 PM HAST · 1300 days ago · 5 km deep · 3 km away
47. 1.9101 km W of Adak, AlaskaSat, Mar 11, 10:34 PM HAST · 1300 days ago · 6 km deep · 1 km away
48. 1.899 km W of Adak, AlaskaSat, Mar 11, 10:41 PM HAST · 1300 days ago · 4 km deep · 1 km away
49. 2.1101 km W of Adak, AlaskaSat, Mar 11, 11:47 PM HAST · 1300 days ago · 5 km deep · 1 km away
50. 1.7101 km W of Adak, AlaskaSat, Mar 11, 11:55 PM HAST · 1300 days ago · 3 km deep · 1 km away
51. 1.9101 km W of Adak, AlaskaSun, Mar 12, 12:11 AM HAST · 1300 days ago · 6 km deep · 2 km away
52. 2.0100 km W of Adak, AlaskaSun, Mar 12, 12:21 AM HAST · 1300 days ago · 3 km deep · 0 km away
53. 2.5100 km W of Adak, AlaskaSun, Mar 12, 12:22 AM HAST · 1300 days ago · 7 km deep · 7 km away
54. 1.6101 km W of Adak, AlaskaSun, Mar 12, 12:51 AM HAST · 1300 days ago · 3 km deep · 1 km away
55. 1.888 km W of Adak, AlaskaSun, Mar 12, 12:55 AM HAST · 1300 days ago · 5 km deep · 12 km away
56. 1.5100 km W of Adak, AlaskaSun, Mar 12, 1:11 AM HAST · 1300 days ago · 4 km deep · 0 km away
57. 1.689 km W of Adak, AlaskaSun, Mar 12, 1:42 AM HAST · 1300 days ago · 5 km deep · 11 km away
58. 1.788 km W of Adak, AlaskaSun, Mar 12, 1:45 AM HAST · 1300 days ago · 5 km deep · 12 km away
59. 1.699 km W of Adak, AlaskaSun, Mar 12, 1:47 AM HAST · 1300 days ago · 4 km deep · 1 km away
60. 4.1Andreanof Islands, Aleutian Islands, AlaskaSun, Mar 12, 1:52 AM HAST · 1300 days ago · 33 km deep · 43 km away

The first 60 of at least 201.

Before

1. 1.596 km W of Adak, AlaskaSat, Mar 11, 10:01 AM HAST · 1301 days ago · -2 km deep · 4 km away
2. 1.7103 km W of Adak, AlaskaSat, Mar 11, 9:58 AM HAST · 1301 days ago · 5 km deep · 3 km away
3. 1.897 km W of Adak, AlaskaSat, Mar 11, 9:53 AM HAST · 1301 days ago · 4 km deep · 3 km away
4. 4.0103 km W of Adak, AlaskaSat, Mar 11, 9:47 AM HAST · 1301 days ago · 5 km deep · 3 km away
5. 3.7103 km W of Adak, AlaskaSat, Mar 11, 9:43 AM HAST · 1301 days ago · 11 km deep · 3 km away
6. 2.5103 km W of Adak, AlaskaSat, Mar 11, 9:43 AM HAST · 1301 days ago · 5 km deep · 3 km away
7. 2.295 km W of Adak, AlaskaSat, Mar 11, 9:13 AM HAST · 1301 days ago · 3 km deep · 6 km away
8. 1.689 km W of Adak, AlaskaSat, Mar 11, 9:11 AM HAST · 1301 days ago · 6 km deep · 11 km away
9. 1.8100 km W of Adak, AlaskaSat, Mar 11, 9:10 AM HAST · 1301 days ago · 4 km deep · 1 km away
10. 1.587 km W of Adak, AlaskaSat, Mar 11, 9:06 AM HAST · 1301 days ago · 4 km deep · 13 km away
11. 1.687 km W of Adak, AlaskaSat, Mar 11, 9:06 AM HAST · 1301 days ago · 5 km deep · 13 km away
12. 1.7101 km W of Adak, AlaskaSat, Mar 11, 9:03 AM HAST · 1301 days ago · 4 km deep · 1 km away
13. 1.688 km W of Adak, AlaskaSat, Mar 11, 8:47 AM HAST · 1301 days ago · 6 km deep · 13 km away
14. 2.1100 km W of Adak, AlaskaSat, Mar 11, 8:33 AM HAST · 1301 days ago · 4 km deep · 0 km away
15. 1.6100 km W of Adak, AlaskaSat, Mar 11, 8:24 AM HAST · 1301 days ago · 4 km deep · 1 km away
16. 1.696 km W of Adak, AlaskaSat, Mar 11, 8:16 AM HAST · 1301 days ago · -2 km deep · 5 km away
17. 1.786 km W of Adak, AlaskaSat, Mar 11, 7:59 AM HAST · 1301 days ago · 8 km deep · 14 km away
18. 1.6Andreanof Islands, Aleutian Islands, AlaskaSat, Mar 11, 7:58 AM HAST · 1301 days ago · 30 km deep · 48 km away
19. 1.595 km W of Adak, AlaskaSat, Mar 11, 7:30 AM HAST · 1301 days ago · -2 km deep · 5 km away
20. 1.596 km W of Adak, AlaskaSat, Mar 11, 7:13 AM HAST · 1301 days ago · 2 km deep · 5 km away

From the USGS Earthquake Hazards Program and its partner networks, event av91133398. Read Fri, Oct 2, 2026, 1:14 PM UTC.