M1.5 earthquake 95 km W of Adak, Alaska

Magnitude

1.5 (ML, local (Richter)), micro

Magnitude from

AV

Local time

Sat, Feb 18, 2023, 5:40 AM HAST

UTC

2023-02-18 15:40:50 UTC

Depth

1.1 km (0.7 mi), shallow

Epicenter

51.816° N, 178.016° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 1.2 km horizontally, 1.6 km in depth

Magnitude uncertainty

±0.15

Depth from

From location

Station coverage gap

206°, poorly surrounded by stations

Stations used

4

After

1. 2.094 km W of Adak, AlaskaSat, Feb 18, 6:50 AM HAST · 1323 days ago · -2 km deep · 4 km away
2. 2.195 km W of Adak, AlaskaSat, Feb 18, 7:13 AM HAST · 1323 days ago · 4 km deep · 4 km away
3. 2.2104 km SW of Adak, AlaskaSat, Feb 18, 7:41 AM HAST · 1323 days ago · 26 km deep · 76 km away
4. 1.993 km W of Adak, AlaskaSat, Feb 18, 8:14 AM HAST · 1323 days ago · 5 km deep · 5 km away
5. 2.193 km W of Adak, AlaskaSat, Feb 18, 9:08 AM HAST · 1323 days ago · 6 km deep · 4 km away
6. 1.693 km W of Adak, AlaskaSat, Feb 18, 9:33 AM HAST · 1323 days ago · 3 km deep · 4 km away
7. 2.093 km W of Adak, AlaskaSat, Feb 18, 10:03 AM HAST · 1323 days ago · 6 km deep · 4 km away
8. 2.093 km W of Adak, AlaskaSat, Feb 18, 12:04 PM HAST · 1323 days ago · 7 km deep · 6 km away
9. 3.0100 km SW of Adak, AlaskaSat, Feb 18, 1:59 PM HAST · 1323 days ago · 35 km deep · 72 km away
10. 1.6Andreanof Islands, Aleutian Islands, AlaskaSat, Feb 18, 2:46 PM HAST · 1323 days ago · -2 km deep · 4 km away
11. 3.089 km W of Adak, AlaskaSat, Feb 18, 6:22 PM HAST · 1323 days ago · 7 km deep · 9 km away
12. 2.161 km SSW of Adak, AlaskaSat, Feb 18, 7:03 PM HAST · 1323 days ago · 48 km deep · 81 km away
13. 2.090 km W of Adak, AlaskaSat, Feb 18, 7:10 PM HAST · 1323 days ago · 7 km deep · 7 km away
14. 1.990 km W of Adak, AlaskaSat, Feb 18, 7:18 PM HAST · 1323 days ago · 6 km deep · 7 km away
15. 3.192 km W of Adak, AlaskaSat, Feb 18, 9:30 PM HAST · 1322 days ago · 8 km deep · 10 km away
16. 2.092 km W of Adak, AlaskaSat, Feb 18, 9:35 PM HAST · 1322 days ago · 4 km deep · 5 km away
17. 2.193 km W of Adak, AlaskaSat, Feb 18, 9:36 PM HAST · 1322 days ago · 5 km deep · 5 km away
18. 2.093 km W of Adak, AlaskaSat, Feb 18, 9:37 PM HAST · 1322 days ago · 5 km deep · 5 km away
19. 1.993 km W of Adak, AlaskaSat, Feb 18, 10:18 PM HAST · 1322 days ago · 6 km deep · 4 km away
20. 2.784 km W of Adak, AlaskaSun, Feb 19, 12:23 AM HAST · 1322 days ago · 14 km deep · 12 km away
21. 1.979 km SW of Adak, AlaskaSun, Feb 19, 1:38 AM HAST · 1322 days ago · 38 km deep · 47 km away
22. 2.3125 km W of Adak, AlaskaSun, Feb 19, 5:42 AM HAST · 1322 days ago · 89 km deep · 31 km away
23. 1.690 km W of Adak, AlaskaSun, Feb 19, 6:41 AM HAST · 1322 days ago · 6 km deep · 7 km away
24. 3.048 km W of Adak, AlaskaSun, Feb 19, 7:54 AM HAST · 1322 days ago · 98 km deep · 47 km away
25. 1.753 km SSW of Adak, AlaskaSun, Feb 19, 12:36 PM HAST · 1322 days ago · 33 km deep · 85 km away
26. 2.5188 km W of Adak, AlaskaSun, Feb 19, 2:20 PM HAST · 1322 days ago · 91 km deep · 93 km away
27. 1.790 km W of Adak, AlaskaSun, Feb 19, 3:25 PM HAST · 1322 days ago · 6 km deep · 7 km away
28. 1.889 km W of Adak, AlaskaMon, Feb 20, 2:28 AM HAST · 1321 days ago · 7 km deep · 7 km away
29. 1.793 km W of Adak, AlaskaMon, Feb 20, 4:11 AM HAST · 1321 days ago · 4 km deep · 5 km away
30. 3.6148 km WSW of Adak, AlaskaMon, Feb 20, 5:22 AM HAST · 1321 days ago · 60 km deep · 60 km away
31. 1.695 km W of Adak, AlaskaMon, Feb 20, 8:07 AM HAST · 1321 days ago · -2 km deep · 5 km away
32. 1.690 km W of Adak, AlaskaMon, Feb 20, 8:13 PM HAST · 1320 days ago · 7 km deep · 7 km away
33. 1.7Andreanof Islands, Aleutian Islands, AlaskaMon, Feb 20, 11:22 PM HAST · 1320 days ago · 6 km deep · 7 km away
34. 1.7Andreanof Islands, Aleutian Islands, AlaskaTue, Feb 21, 1:47 AM HAST · 1320 days ago · 6 km deep · 7 km away
35. 2.8179 km WSW of Adak, AlaskaTue, Feb 21, 8:44 AM HAST · 1320 days ago · 35 km deep · 97 km away
36. 1.693 km W of Adak, AlaskaTue, Feb 21, 4:53 PM HAST · 1320 days ago · 7 km deep · 6 km away
37. 1.692 km W of Adak, AlaskaTue, Feb 21, 7:23 PM HAST · 1320 days ago · -2 km deep · 6 km away
38. 1.890 km W of Adak, AlaskaWed, Feb 22, 3:45 AM HAST · 1319 days ago · 5 km deep · 7 km away
39. 1.5Andreanof Islands, Aleutian Islands, AlaskaWed, Feb 22, 3:53 AM HAST · 1319 days ago · 4 km deep · 6 km away
40. 1.991 km W of Adak, AlaskaWed, Feb 22, 6:48 AM HAST · 1319 days ago · 4 km deep · 6 km away
41. 1.594 km W of Adak, AlaskaWed, Feb 22, 7:04 AM HAST · 1319 days ago · -2 km deep · 4 km away
42. 3.2132 km WSW of Adak, AlaskaWed, Feb 22, 8:26 AM HAST · 1319 days ago · 35 km deep · 65 km away
43. 2.097 km W of Adak, AlaskaWed, Feb 22, 11:15 AM HAST · 1319 days ago · 9 km deep · 5 km away
44. 1.694 km W of Adak, AlaskaWed, Feb 22, 12:42 PM HAST · 1319 days ago · 3 km deep · 4 km away
45. 1.692 km W of Adak, AlaskaWed, Feb 22, 12:52 PM HAST · 1319 days ago · 4 km deep · 5 km away
46. 3.0163 km WSW of Adak, AlaskaWed, Feb 22, 8:58 PM HAST · 1318 days ago · 35 km deep · 83 km away
47. 1.792 km W of Adak, AlaskaThu, Feb 23, 3:26 PM HAST · 1318 days ago · 5 km deep · 6 km away
48. 2.7145 km WSW of Adak, AlaskaThu, Feb 23, 11:06 PM HAST · 1317 days ago · 10 km deep · 52 km away
49. 1.8Andreanof Islands, Aleutian Islands, AlaskaFri, Feb 24, 12:09 AM HAST · 1317 days ago · 41 km deep · 92 km away
50. 1.693 km W of Adak, AlaskaSat, Feb 25, 7:29 AM HAST · 1316 days ago · 3 km deep · 5 km away
51. 2.093 km W of Adak, AlaskaSat, Feb 25, 7:44 AM HAST · 1316 days ago · 5 km deep · 4 km away
52. 2.394 km W of Adak, AlaskaSat, Feb 25, 7:44 AM HAST · 1316 days ago · 5 km deep · 8 km away
53. 2.8Andreanof Islands, Aleutian Islands, AlaskaSat, Feb 25, 7:58 AM HAST · 1316 days ago · 5 km deep · 9 km away
54. 2.293 km W of Adak, AlaskaSat, Feb 25, 9:01 AM HAST · 1316 days ago · 7 km deep · 5 km away
55. 1.6Andreanof Islands, Aleutian Islands, AlaskaSat, Feb 25, 9:56 AM HAST · 1316 days ago · 3 km deep · 4 km away
56. 1.993 km W of Adak, AlaskaSat, Feb 25, 2:50 PM HAST · 1316 days ago · 4 km deep · 5 km away
57. 1.7Andreanof Islands, Aleutian Islands, AlaskaSat, Feb 25, 5:43 PM HAST · 1316 days ago · 3 km deep · 4 km away
58. 2.293 km W of Adak, AlaskaSat, Feb 25, 5:56 PM HAST · 1316 days ago · 5 km deep · 6 km away
59. 5.0121 km WSW of Adak, AlaskaSun, Feb 26, 3:53 AM HAST · 1315 days ago · 49 km deep · 39 km away
60. 2.093 km W of Adak, AlaskaSun, Feb 26, 6:01 AM HAST · 1315 days ago · 2 km deep · 5 km away

The first 60 of at least 201.

Before

1. 2.794 km W of Adak, AlaskaSat, Feb 18, 5:08 AM HAST · 1323 days ago · 4 km deep · 5 km away
2. 1.694 km W of Adak, AlaskaSat, Feb 18, 4:16 AM HAST · 1323 days ago · -2 km deep · 4 km away
3. 1.693 km W of Adak, AlaskaSat, Feb 18, 4:08 AM HAST · 1323 days ago · 3 km deep · 5 km away
4. 3.063 km SSW of Adak, AlaskaSat, Feb 18, 2:38 AM HAST · 1323 days ago · 35 km deep · 84 km away
5. 1.693 km W of Adak, AlaskaSat, Feb 18, 2:00 AM HAST · 1323 days ago · 3 km deep · 4 km away
6. 1.593 km W of Adak, AlaskaSat, Feb 18, 1:17 AM HAST · 1323 days ago · 4 km deep · 5 km away
7. 1.994 km W of Adak, AlaskaFri, Feb 17, 11:50 PM HAST · 1323 days ago · 6 km deep · 4 km away
8. 1.992 km W of Adak, AlaskaFri, Feb 17, 11:34 PM HAST · 1323 days ago · 6 km deep · 5 km away
9. 2.093 km W of Adak, AlaskaFri, Feb 17, 11:22 PM HAST · 1323 days ago · 6 km deep · 5 km away
10. 2.1Andreanof Islands, Aleutian Islands, AlaskaFri, Feb 17, 10:45 PM HAST · 1323 days ago · 4 km deep · 4 km away
11. 3.1Andreanof Islands, Aleutian Islands, AlaskaFri, Feb 17, 10:28 PM HAST · 1323 days ago · 9 km deep · 7 km away
12. 2.293 km W of Adak, AlaskaFri, Feb 17, 10:28 PM HAST · 1323 days ago · 6 km deep · 5 km away
13. 2.197 km W of Adak, AlaskaFri, Feb 17, 8:30 PM HAST · 1323 days ago · 4 km deep · 4 km away
14. 1.793 km W of Adak, AlaskaFri, Feb 17, 4:48 PM HAST · 1324 days ago · 5 km deep · 5 km away
15. 2.093 km W of Adak, AlaskaFri, Feb 17, 4:30 PM HAST · 1324 days ago · 5 km deep · 5 km away
16. 1.889 km W of Adak, AlaskaFri, Feb 17, 10:02 AM HAST · 1324 days ago · 4 km deep · 7 km away
17. 2.0Andreanof Islands, Aleutian Islands, AlaskaFri, Feb 17, 9:44 AM HAST · 1324 days ago · 21 km deep · 45 km away
18. 1.6Andreanof Islands, Aleutian Islands, AlaskaFri, Feb 17, 9:04 AM HAST · 1324 days ago · 5 km deep · 7 km away
19. 1.891 km W of Adak, AlaskaFri, Feb 17, 8:59 AM HAST · 1324 days ago · 9 km deep · 5 km away
20. 1.890 km W of Adak, AlaskaFri, Feb 17, 7:45 AM HAST · 1324 days ago · 6 km deep · 7 km away

From the USGS Earthquake Hazards Program and its partner networks, event av91765856. Read Sat, Oct 3, 2026, 5:18 PM UTC.