M1.6 earthquake 86 km W of Adak, Alaska

Magnitude

1.6 (ML, local (Richter)), micro

Magnitude from

AV

Local time

Mon, Mar 13, 2023, 10:46 AM HADT

UTC

2023-03-13 19:46:04 UTC

Depth

3.7 km (2.3 mi), shallow

Epicenter

51.857° N, 177.889° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.5 km horizontally, 0.9 km in depth

Magnitude uncertainty

±0.13

Depth from

From location

Station coverage gap

188°, poorly surrounded by stations

Stations used

5

After

1. 1.9100 km W of Adak, AlaskaMon, Mar 13, 11:15 AM HADT · 1299 days ago · 4 km deep · 14 km away
2. 1.7100 km W of Adak, AlaskaMon, Mar 13, 1:17 PM HADT · 1299 days ago · 3 km deep · 14 km away
3. 1.587 km W of Adak, AlaskaMon, Mar 13, 2:27 PM HADT · 1299 days ago · 6 km deep · 3 km away
4. 3.2105 km W of Adak, AlaskaMon, Mar 13, 2:46 PM HADT · 1299 days ago · 5 km deep · 19 km away
5. 2.1104 km W of Adak, AlaskaMon, Mar 13, 2:48 PM HADT · 1299 days ago · 5 km deep · 18 km away
6. 1.676 km W of Adak, AlaskaMon, Mar 13, 3:06 PM HADT · 1299 days ago · 2 km deep · 10 km away
7. 2.0104 km W of Adak, AlaskaMon, Mar 13, 3:14 PM HADT · 1299 days ago · 7 km deep · 18 km away
8. 2.2100 km W of Adak, AlaskaMon, Mar 13, 3:25 PM HADT · 1299 days ago · 4 km deep · 14 km away
9. 2.099 km W of Adak, AlaskaMon, Mar 13, 3:35 PM HADT · 1299 days ago · 3 km deep · 13 km away
10. 1.881 km WSW of Adak, AlaskaMon, Mar 13, 4:44 PM HADT · 1299 days ago · 28 km deep · 33 km away
11. 2.4100 km W of Adak, AlaskaMon, Mar 13, 5:10 PM HADT · 1299 days ago · 5 km deep · 15 km away
12. 1.7106 km W of Adak, AlaskaMon, Mar 13, 5:20 PM HADT · 1299 days ago · 7 km deep · 20 km away
13. 2.086 km W of Adak, AlaskaMon, Mar 13, 5:34 PM HADT · 1299 days ago · 7 km deep · 2 km away
14. 1.76 km ENE of Adak, AlaskaMon, Mar 13, 6:00 PM HADT · 1299 days ago · 7 km deep · 92 km away
15. 2.1102 km W of Adak, AlaskaMon, Mar 13, 6:24 PM HADT · 1299 days ago · 5 km deep · 16 km away
16. 1.587 km W of Adak, AlaskaMon, Mar 13, 6:28 PM HADT · 1299 days ago · 5 km deep · 1 km away
17. 2.2124 km WSW of Adak, AlaskaMon, Mar 13, 6:46 PM HADT · 1299 days ago · 20 km deep · 55 km away
18. 1.598 km W of Adak, AlaskaMon, Mar 13, 7:23 PM HADT · 1299 days ago · -2 km deep · 12 km away
19. 1.8116 km WSW of Adak, AlaskaMon, Mar 13, 8:11 PM HADT · 1299 days ago · 13 km deep · 39 km away
20. 1.8100 km W of Adak, AlaskaMon, Mar 13, 8:58 PM HADT · 1299 days ago · 3 km deep · 14 km away
21. 1.7100 km W of Adak, AlaskaMon, Mar 13, 9:51 PM HADT · 1299 days ago · 1 km deep · 14 km away
22. 2.2Andreanof Islands, Aleutian Islands, AlaskaMon, Mar 13, 9:53 PM HADT · 1299 days ago · 5 km deep · 2 km away
23. 1.987 km W of Adak, AlaskaMon, Mar 13, 9:58 PM HADT · 1299 days ago · 5 km deep · 2 km away
24. 1.887 km W of Adak, AlaskaMon, Mar 13, 10:02 PM HADT · 1299 days ago · 7 km deep · 2 km away
25. 1.787 km W of Adak, AlaskaMon, Mar 13, 10:08 PM HADT · 1299 days ago · 4 km deep · 1 km away
26. 3.2100 km W of Adak, AlaskaMon, Mar 13, 10:28 PM HADT · 1299 days ago · 8 km deep · 14 km away
27. 2.087 km W of Adak, AlaskaMon, Mar 13, 10:29 PM HADT · 1299 days ago · 5 km deep · 2 km away
28. 1.588 km W of Adak, AlaskaMon, Mar 13, 10:32 PM HADT · 1299 days ago · 3 km deep · 2 km away
29. 1.5100 km W of Adak, AlaskaMon, Mar 13, 11:36 PM HADT · 1299 days ago · 3 km deep · 14 km away
30. 1.687 km W of Adak, AlaskaTue, Mar 14, 12:44 AM HADT · 1299 days ago · 5 km deep · 2 km away
31. 1.588 km W of Adak, AlaskaTue, Mar 14, 12:46 AM HADT · 1299 days ago · 6 km deep · 2 km away
32. 1.688 km W of Adak, AlaskaTue, Mar 14, 1:01 AM HADT · 1299 days ago · 3 km deep · 2 km away
33. 2.7100 km W of Adak, AlaskaTue, Mar 14, 1:08 AM HADT · 1299 days ago · 5 km deep · 14 km away
34. 2.1101 km W of Adak, AlaskaTue, Mar 14, 1:10 AM HADT · 1299 days ago · 5 km deep · 15 km away
35. 1.6103 km W of Adak, AlaskaTue, Mar 14, 1:14 AM HADT · 1299 days ago · 3 km deep · 17 km away
36. 2.086 km W of Adak, AlaskaTue, Mar 14, 1:24 AM HADT · 1299 days ago · 5 km deep · 1 km away
37. 2.186 km W of Adak, AlaskaTue, Mar 14, 1:24 AM HADT · 1299 days ago · 5 km deep · 0 km away
38. 1.587 km W of Adak, AlaskaTue, Mar 14, 1:38 AM HADT · 1299 days ago · 4 km deep · 2 km away
39. 2.099 km W of Adak, AlaskaTue, Mar 14, 1:50 AM HADT · 1299 days ago · -2 km deep · 14 km away
40. 2.0100 km W of Adak, AlaskaTue, Mar 14, 2:51 AM HADT · 1299 days ago · 4 km deep · 14 km away
41. 1.6100 km W of Adak, AlaskaTue, Mar 14, 3:25 AM HADT · 1299 days ago · 3 km deep · 14 km away
42. 1.788 km W of Adak, AlaskaTue, Mar 14, 3:58 AM HADT · 1299 days ago · 6 km deep · 4 km away
43. 1.6100 km W of Adak, AlaskaTue, Mar 14, 4:24 AM HADT · 1299 days ago · 3 km deep · 14 km away
44. 1.8104 km W of Adak, AlaskaTue, Mar 14, 4:32 AM HADT · 1299 days ago · 6 km deep · 19 km away
45. 1.797 km W of Adak, AlaskaTue, Mar 14, 4:43 AM HADT · 1299 days ago · -2 km deep · 11 km away
46. 2.9130 km WSW of Adak, AlaskaTue, Mar 14, 5:34 AM HADT · 1298 days ago · 43 km deep · 69 km away
47. 1.7100 km W of Adak, AlaskaTue, Mar 14, 7:17 AM HADT · 1298 days ago · 3 km deep · 14 km away
48. 1.699 km W of Adak, AlaskaTue, Mar 14, 9:53 AM HADT · 1298 days ago · 0 km deep · 13 km away
49. 1.699 km W of Adak, AlaskaTue, Mar 14, 10:07 AM HADT · 1298 days ago · 5 km deep · 13 km away
50. 1.6101 km W of Adak, AlaskaTue, Mar 14, 10:10 AM HADT · 1298 days ago · -2 km deep · 15 km away
51. 2.5Andreanof Islands, Aleutian Islands, AlaskaTue, Mar 14, 11:35 AM HADT · 1298 days ago · 5 km deep · 13 km away
52. 2.489 km W of Adak, AlaskaTue, Mar 14, 1:57 PM HADT · 1298 days ago · 8 km deep · 5 km away
53. 1.689 km W of Adak, AlaskaTue, Mar 14, 2:59 PM HADT · 1298 days ago · 2 km deep · 5 km away
54. 3.0Andreanof Islands, Aleutian Islands, AlaskaTue, Mar 14, 3:13 PM HADT · 1298 days ago · 7 km deep · 13 km away
55. 2.4101 km W of Adak, AlaskaTue, Mar 14, 3:35 PM HADT · 1298 days ago · 9 km deep · 15 km away
56. 1.5101 km W of Adak, AlaskaTue, Mar 14, 4:04 PM HADT · 1298 days ago · 3 km deep · 15 km away
57. 1.7101 km W of Adak, AlaskaTue, Mar 14, 5:47 PM HADT · 1298 days ago · 5 km deep · 16 km away
58. 2.188 km W of Adak, AlaskaTue, Mar 14, 6:39 PM HADT · 1298 days ago · 3 km deep · 5 km away
59. 1.5100 km W of Adak, AlaskaTue, Mar 14, 8:05 PM HADT · 1298 days ago · 4 km deep · 14 km away
60. 3.0100 km W of Adak, AlaskaTue, Mar 14, 10:23 PM HADT · 1298 days ago · 4 km deep · 14 km away

The first 60 of at least 202.

Before

1. 1.699 km W of Adak, AlaskaMon, Mar 13, 10:37 AM HADT · 1299 days ago · 3 km deep · 13 km away
2. 2.187 km W of Adak, AlaskaMon, Mar 13, 10:01 AM HADT · 1299 days ago · 6 km deep · 1 km away
3. 1.697 km W of Adak, AlaskaMon, Mar 13, 9:08 AM HADT · 1299 days ago · -2 km deep · 11 km away
4. 1.7100 km W of Adak, AlaskaMon, Mar 13, 7:51 AM HADT · 1299 days ago · 2 km deep · 14 km away
5. 1.699 km W of Adak, AlaskaMon, Mar 13, 6:26 AM HADT · 1299 days ago · 3 km deep · 14 km away
6. 1.7Andreanof Islands, Aleutian Islands, AlaskaMon, Mar 13, 4:55 AM HADT · 1300 days ago · 5 km deep · 15 km away
7. 1.699 km W of Adak, AlaskaMon, Mar 13, 4:52 AM HADT · 1300 days ago · 4 km deep · 13 km away
8. 2.2101 km W of Adak, AlaskaMon, Mar 13, 4:41 AM HADT · 1300 days ago · 5 km deep · 15 km away
9. 2.1101 km W of Adak, AlaskaMon, Mar 13, 4:38 AM HADT · 1300 days ago · 5 km deep · 15 km away
10. 1.5100 km W of Adak, AlaskaMon, Mar 13, 4:14 AM HADT · 1300 days ago · 2 km deep · 14 km away
11. 1.987 km W of Adak, AlaskaMon, Mar 13, 3:36 AM HADT · 1300 days ago · 4 km deep · 2 km away
12. 2.2100 km W of Adak, AlaskaMon, Mar 13, 2:12 AM HADT · 1300 days ago · 3 km deep · 14 km away
13. 1.599 km W of Adak, AlaskaMon, Mar 13, 1:22 AM HADT · 1300 days ago · 3 km deep · 13 km away
14. 2.1100 km W of Adak, AlaskaMon, Mar 13, 12:58 AM HADT · 1300 days ago · 5 km deep · 14 km away
15. 2.1100 km W of Adak, AlaskaMon, Mar 13, 12:58 AM HADT · 1300 days ago · 6 km deep · 14 km away
16. 1.6100 km W of Adak, AlaskaMon, Mar 13, 12:40 AM HADT · 1300 days ago · 3 km deep · 14 km away
17. 2.0101 km W of Adak, AlaskaSun, Mar 12, 11:42 PM HADT · 1300 days ago · 5 km deep · 15 km away
18. 1.6101 km W of Adak, AlaskaSun, Mar 12, 10:45 PM HADT · 1300 days ago · 3 km deep · 15 km away
19. 1.9100 km W of Adak, AlaskaSun, Mar 12, 9:19 PM HADT · 1300 days ago · 4 km deep · 14 km away
20. 1.7100 km W of Adak, AlaskaSun, Mar 12, 8:51 PM HADT · 1300 days ago · 4 km deep · 14 km away

From the USGS Earthquake Hazards Program and its partner networks, event av91803706. Read Sat, Oct 3, 2026, 1:59 AM UTC.