M1.9 earthquake 90 km SW of Adak, Alaska

Magnitude

1.9 (ML, local (Richter)), micro

Magnitude from

Alaska Earthquake Center

Local time

Sat, May 20, 2023, 8:27 AM HADT

UTC

2023-05-20 17:27:53 UTC

Depth

25.9 km (16.1 mi), shallow

Epicenter

51.373° N, 177.671° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

40

After

1. 2.6178 km WSW of Adak, AlaskaSat, May 20, 3:07 PM HADT · 1230 days ago · 35 km deep · 93 km away
2. 1.9178 km WSW of Adak, AlaskaSat, May 20, 4:13 PM HADT · 1230 days ago · 23 km deep · 91 km away
3. 1.846 km SSE of Adak, AlaskaSat, May 20, 7:24 PM HADT · 1230 days ago · 34 km deep · 91 km away
4. 1.5136 km WSW of Adak, AlaskaSat, May 20, 9:00 PM HADT · 1230 days ago · 26 km deep · 55 km away
5. 1.7117 km WNW of Adak, AlaskaSat, May 20, 10:47 PM HADT · 1230 days ago · 114 km deep · 99 km away
6. 1.541 km SSE of Adak, AlaskaSun, May 21, 12:38 AM HADT · 1230 days ago · 37 km deep · 92 km away
7. 2.9154 km WSW of Adak, AlaskaSun, May 21, 6:58 AM HADT · 1229 days ago · 30 km deep · 65 km away
8. 2.6134 km SW of Adak, AlaskaSun, May 21, 2:13 PM HADT · 1229 days ago · 36 km deep · 44 km away
9. 2.7130 km WSW of Adak, AlaskaMon, May 22, 12:40 AM HADT · 1229 days ago · 35 km deep · 43 km away
10. 3.231 km SSE of Adak, AlaskaMon, May 22, 7:50 AM HADT · 1228 days ago · 42 km deep · 92 km away
11. 1.648 km S of Adak, AlaskaMon, May 22, 11:02 PM HADT · 1228 days ago · 17 km deep · 74 km away
12. 1.617 km S of Adak, AlaskaTue, May 23, 2:11 AM HADT · 1227 days ago · 13 km deep · 84 km away
13. 1.678 km SW of Adak, AlaskaTue, May 23, 10:35 AM HADT · 1227 days ago · 28 km deep · 13 km away
14. 1.581 km SW of Adak, AlaskaTue, May 23, 9:00 PM HADT · 1227 days ago · 15 km deep · 11 km away
15. 1.740 km SSE of Adak, AlaskaWed, May 24, 5:00 AM HADT · 1226 days ago · 46 km deep · 91 km away
16. 2.7174 km WSW of Adak, AlaskaWed, May 24, 7:55 AM HADT · 1226 days ago · 29 km deep · 94 km away
17. 2.5143 km WSW of Adak, AlaskaThu, May 25, 5:40 AM HADT · 1225 days ago · 35 km deep · 57 km away
18. 1.853 km SW of Adak, AlaskaThu, May 25, 6:18 AM HADT · 1225 days ago · 35 km deep · 43 km away
19. 2.6150 km WSW of Adak, AlaskaThu, May 25, 6:40 AM HADT · 1225 days ago · 26 km deep · 69 km away
20. 1.750 km SSE of Adak, AlaskaThu, May 25, 6:57 AM HADT · 1225 days ago · 34 km deep · 90 km away
21. 3.542 km S of Adak, AlaskaThu, May 25, 8:20 AM HADT · 1225 days ago · 35 km deep · 70 km away
22. 2.087 km SW of Adak, AlaskaThu, May 25, 6:28 PM HADT · 1225 days ago · 29 km deep · 3 km away
23. 1.736 km SSW of Adak, AlaskaThu, May 25, 7:14 PM HADT · 1225 days ago · 62 km deep · 63 km away
24. 1.785 km WSW of Adak, AlaskaThu, May 25, 10:21 PM HADT · 1225 days ago · 13 km deep · 15 km away
25. 1.989 km WSW of Adak, AlaskaThu, May 25, 11:33 PM HADT · 1225 days ago · 56 km deep · 10 km away
26. 1.762 km S of Adak, AlaskaFri, May 26, 12:00 AM HADT · 1225 days ago · 22 km deep · 81 km away
27. 1.944 km SSE of Adak, AlaskaFri, May 26, 1:50 PM HADT · 1224 days ago · 36 km deep · 87 km away
28. 1.943 km SW of Adak, AlaskaFri, May 26, 11:59 PM HADT · 1224 days ago · 40 km deep · 50 km away
29. 3.555 km SW of Adak, AlaskaSat, May 27, 12:05 AM HADT · 1224 days ago · 35 km deep · 41 km away
30. 2.2126 km WSW of Adak, AlaskaSat, May 27, 11:08 PM HADT · 1223 days ago · 33 km deep · 40 km away
31. 1.9Andreanof Islands, Aleutian Islands, AlaskaSun, May 28, 4:45 AM HADT · 1222 days ago · 61 km deep · 62 km away
32. 1.758 km SW of Adak, AlaskaSun, May 28, 3:09 PM HADT · 1222 days ago · 40 km deep · 34 km away
33. 3.177 km WSW of Adak, AlaskaSun, May 28, 11:31 PM HADT · 1222 days ago · 71 km deep · 19 km away
34. 1.5Andreanof Islands, Aleutian Islands, AlaskaMon, May 29, 10:18 AM HADT · 1221 days ago · 32 km deep · 92 km away
35. 1.641 km S of Adak, AlaskaMon, May 29, 8:15 PM HADT · 1221 days ago · 35 km deep · 78 km away
36. 3.2151 km W of Adak, AlaskaTue, May 30, 1:45 AM HADT · 1220 days ago · 93 km deep · 90 km away
37. 1.541 km SSE of Adak, AlaskaTue, May 30, 11:22 AM HADT · 1220 days ago · 30 km deep · 91 km away
38. 1.659 km SSW of Adak, AlaskaTue, May 30, 12:09 PM HADT · 1220 days ago · 25 km deep · 42 km away
39. 1.6Andreanof Islands, Aleutian Islands, AlaskaTue, May 30, 3:32 PM HADT · 1220 days ago · 8 km deep · 57 km away
40. 1.542 km SSE of Adak, AlaskaTue, May 30, 5:07 PM HADT · 1220 days ago · 29 km deep · 91 km away
41. 1.6125 km WSW of Adak, AlaskaWed, May 31, 1:15 AM HADT · 1219 days ago · 24 km deep · 43 km away
42. 2.598 km WSW of Adak, AlaskaWed, May 31, 2:08 AM HADT · 1219 days ago · 81 km deep · 32 km away
43. 1.8161 km WSW of Adak, AlaskaWed, May 31, 8:06 AM HADT · 1219 days ago · 13 km deep · 87 km away
44. 2.0129 km SW of Adak, AlaskaWed, May 31, 9:32 AM HADT · 1219 days ago · 28 km deep · 38 km away
45. 2.772 km SSW of Adak, AlaskaWed, May 31, 12:57 PM HADT · 1219 days ago · 35 km deep · 48 km away
46. 2.8Andreanof Islands, Aleutian Islands, AlaskaWed, May 31, 11:20 PM HADT · 1219 days ago · 72 km deep · 51 km away
47. 4.5143 km WSW of Adak, AlaskaThu, Jun 1, 2:47 AM HADT · 1218 days ago · 35 km deep · 56 km away
48. 3.174 km SSW of Adak, AlaskaThu, Jun 1, 3:57 AM HADT · 1218 days ago · 40 km deep · 41 km away
49. 1.677 km W of Adak, AlaskaThu, Jun 1, 4:58 AM HADT · 1218 days ago · 1 km deep · 54 km away
50. 1.678 km W of Adak, AlaskaThu, Jun 1, 6:59 AM HADT · 1218 days ago · 1 km deep · 54 km away
51. 2.1Andreanof Islands, Aleutian Islands, AlaskaThu, Jun 1, 9:12 AM HADT · 1218 days ago · 101 km deep · 100 km away
52. 2.0107 km SW of Adak, AlaskaThu, Jun 1, 6:30 PM HADT · 1218 days ago · 20 km deep · 17 km away
53. 1.9102 km WSW of Adak, AlaskaThu, Jun 1, 7:07 PM HADT · 1218 days ago · 24 km deep · 14 km away
54. 2.966 km SW of Adak, AlaskaThu, Jun 1, 8:16 PM HADT · 1218 days ago · 34 km deep · 25 km away
55. 3.862 km SSW of Adak, AlaskaFri, Jun 2, 1:10 AM HADT · 1217 days ago · 35 km deep · 41 km away
56. 3.3130 km WSW of Adak, AlaskaFri, Jun 2, 4:28 AM HADT · 1217 days ago · 35 km deep · 41 km away
57. 1.812 km WSW of Adak, AlaskaFri, Jun 2, 6:46 AM HADT · 1217 days ago · 71 km deep · 79 km away
58. 4.164 km SSW of Adak, AlaskaFri, Jun 2, 12:44 PM HADT · 1217 days ago · 10 km deep · 47 km away
59. 3.228 km S of Adak, AlaskaSat, Jun 3, 1:06 AM HADT · 1216 days ago · 75 km deep · 80 km away
60. 2.590 km WSW of Adak, AlaskaSat, Jun 3, 6:16 AM HADT · 1216 days ago · 63 km deep · 10 km away

The first 60 of at least 200.

Before

1. 1.7121 km WSW of Adak, AlaskaSat, May 20, 6:33 AM HADT · 1230 days ago · 26 km deep · 36 km away
2. 1.857 km SW of Adak, AlaskaSat, May 20, 5:31 AM HADT · 1230 days ago · 30 km deep · 36 km away
3. 1.638 km SSE of Adak, AlaskaSat, May 20, 5:08 AM HADT · 1230 days ago · 33 km deep · 92 km away
4. 1.8170 km WSW of Adak, AlaskaSat, May 20, 4:46 AM HADT · 1230 days ago · 22 km deep · 93 km away
5. 1.7108 km W of Adak, AlaskaSat, May 20, 3:35 AM HADT · 1230 days ago · 12 km deep · 65 km away
6. 1.5125 km WSW of Adak, AlaskaSat, May 20, 3:06 AM HADT · 1230 days ago · 26 km deep · 45 km away
7. 2.591 km SW of Adak, AlaskaFri, May 19, 2:32 PM HADT · 1231 days ago · 35 km deep · 8 km away
8. 1.7123 km WSW of Adak, AlaskaFri, May 19, 7:40 AM HADT · 1231 days ago · 13 km deep · 40 km away
9. 1.545 km SSE of Adak, AlaskaFri, May 19, 5:25 AM HADT · 1231 days ago · 13 km deep · 92 km away
10. 2.845 km SSE of Adak, AlaskaThu, May 18, 11:50 PM HADT · 1232 days ago · 34 km deep · 94 km away
11. 1.539 km SSE of Adak, AlaskaThu, May 18, 11:41 PM HADT · 1232 days ago · 35 km deep · 91 km away
12. 1.9114 km WSW of Adak, AlaskaThu, May 18, 8:13 PM HADT · 1232 days ago · 17 km deep · 38 km away
13. 1.540 km SSE of Adak, AlaskaThu, May 18, 7:56 PM HADT · 1232 days ago · 32 km deep · 92 km away
14. 1.735 km SSE of Adak, AlaskaThu, May 18, 6:51 PM HADT · 1232 days ago · 34 km deep · 91 km away
15. 2.0109 km WSW of Adak, AlaskaThu, May 18, 4:46 PM HADT · 1232 days ago · 57 km deep · 35 km away
16. 1.839 km SSE of Adak, AlaskaThu, May 18, 3:50 PM HADT · 1232 days ago · 34 km deep · 92 km away
17. 1.640 km SSE of Adak, AlaskaThu, May 18, 1:17 PM HADT · 1232 days ago · 33 km deep · 92 km away
18. 1.842 km SSE of Adak, AlaskaThu, May 18, 12:14 PM HADT · 1232 days ago · 38 km deep · 92 km away
19. 1.842 km SSE of Adak, AlaskaThu, May 18, 12:14 PM HADT · 1232 days ago · 29 km deep · 91 km away
20. 4.615 km SE of Adak, AlaskaThu, May 18, 12:08 PM HADT · 1232 days ago · 60 km deep · 94 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak0236ftiuug. Read Thu, Oct 1, 2026, 9:32 PM UTC.