M1.6 earthquake 241 km W of Adak, Alaska

Magnitude

1.6 (ML, local (Richter)), micro

Magnitude from

AV

Local time

Thu, Sep 29, 2022, 3:06 AM GMT+12

UTC

2022-09-28 15:06:58 UTC

Depth

14.7 km (9.1 mi), shallow

Epicenter

51.725° N, 179.876° E

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 2.2 km horizontally, 0.6 km in depth

Magnitude uncertainty

±0.14

Depth from

From location

Station coverage gap

342°, poorly surrounded by stations

Stations used

4

After

1. 2.2222 km W of Adak, AlaskaWed, Sep 28, 9:45 AM HADT · 1464 days ago · 148 km deep · 44 km away
2. 1.7218 km WSW of Adak, AlaskaWed, Sep 28, 2:03 PM HADT · 1463 days ago · 1 km deep · 53 km away
3. 2.9275 km WSW of Adak, AlaskaThu, Sep 29, 2:23 PM GMT+12 · 1463 days ago · 69 km deep · 48 km away
4. 2.0282 km WSW of Adak, AlaskaFri, Sep 30, 1:09 AM GMT+12 · 1463 days ago · 13 km deep · 87 km away
5. 4.1332 km WSW of Adak, AlaskaFri, Sep 30, 6:52 AM GMT+12 · 1463 days ago · 29 km deep · 98 km away
6. 3.3148 km W of Adak, AlaskaThu, Sep 29, 1:29 PM HADT · 1462 days ago · 19 km deep · 95 km away
7. 1.6147 km W of Adak, AlaskaThu, Sep 29, 1:46 PM HADT · 1462 days ago · 14 km deep · 95 km away
8. 3.0240 km WSW of Adak, AlaskaFri, Sep 30, 3:40 AM GMT-12 · 1462 days ago · 12 km deep · 75 km away
9. 2.8147 km W of Adak, AlaskaSat, Oct 1, 9:15 AM HADT · 1461 days ago · 18 km deep · 95 km away
10. 2.9322 km W of Adak, AlaskaTue, Oct 4, 3:58 AM GMT+12 · 1459 days ago · 69 km deep · 81 km away
11. 2.0Rat Islands, Aleutian Islands, AlaskaWed, Oct 5, 8:53 AM GMT+12 · 1457 days ago · 111 km deep · 91 km away
12. 3.0Rat Islands, Aleutian Islands, AlaskaWed, Oct 5, 2:30 PM GMT+12 · 1457 days ago · 181 km deep · 28 km away
13. 3.7214 km WSW of Adak, AlaskaTue, Oct 4, 9:27 PM HADT · 1457 days ago · 35 km deep · 59 km away
14. 2.0193 km WSW of Adak, AlaskaThu, Oct 6, 8:40 AM HADT · 1456 days ago · 24 km deep · 82 km away
15. 2.0240 km WSW of Adak, AlaskaThu, Oct 6, 7:01 AM GMT-12 · 1456 days ago · 26 km deep · 52 km away
16. 1.8205 km W of Adak, AlaskaThu, Oct 6, 6:04 PM HADT · 1455 days ago · 74 km deep · 35 km away
17. 2.0249 km WSW of Adak, AlaskaFri, Oct 7, 3:33 PM GMT+12 · 1455 days ago · 16 km deep · 38 km away
18. 1.9278 km WSW of Adak, AlaskaFri, Oct 7, 4:32 PM GMT+12 · 1455 days ago · 45 km deep · 57 km away
19. 1.8258 km W of Adak, AlaskaSat, Oct 8, 12:39 AM GMT+12 · 1455 days ago · 63 km deep · 22 km away
20. 1.9Rat Islands, Aleutian Islands, AlaskaSun, Oct 9, 7:36 AM GMT+12 · 1453 days ago · 42 km deep · 78 km away
21. 2.8238 km WSW of Adak, AlaskaSun, Oct 9, 12:01 AM GMT-12 · 1453 days ago · 47 km deep · 49 km away
22. 2.8220 km WSW of Adak, AlaskaMon, Oct 10, 2:34 AM HADT · 1452 days ago · 35 km deep · 77 km away
23. 2.9Rat Islands, Aleutian Islands, AlaskaTue, Oct 11, 7:45 PM GMT+12 · 1451 days ago · 63 km deep · 73 km away
24. 2.7227 km W of Adak, AlaskaTue, Oct 11, 2:24 AM HADT · 1451 days ago · 77 km deep · 16 km away
25. 2.8227 km W of Adak, AlaskaTue, Oct 11, 6:41 AM HADT · 1451 days ago · 14 km deep · 28 km away
26. 3.0227 km W of Adak, AlaskaTue, Oct 11, 7:09 AM HADT · 1451 days ago · 14 km deep · 27 km away
27. 2.6Andreanof Islands, Aleutian Islands, AlaskaTue, Oct 11, 7:40 AM HADT · 1451 days ago · 15 km deep · 26 km away
28. 2.5Rat Islands, Aleutian Islands, AlaskaWed, Oct 12, 1:07 PM GMT+12 · 1450 days ago · 89 km deep · 84 km away
29. 3.1Rat Islands, Aleutian Islands, AlaskaThu, Oct 13, 7:09 AM GMT+12 · 1450 days ago · 29 km deep · 84 km away
30. 2.0236 km W of Adak, AlaskaWed, Oct 12, 10:35 AM HADT · 1449 days ago · 9 km deep · 5 km away
31. 3.2265 km W of Adak, AlaskaThu, Oct 13, 1:23 PM GMT+12 · 1449 days ago · 173 km deep · 49 km away
32. 2.5155 km WSW of Adak, AlaskaThu, Oct 13, 12:27 AM HADT · 1449 days ago · 67 km deep · 98 km away
33. 2.6232 km WSW of Adak, AlaskaThu, Oct 13, 4:38 PM HADT · 1448 days ago · 10 km deep · 71 km away
34. 3.0Rat Islands, Aleutian Islands, AlaskaFri, Oct 14, 4:46 PM GMT+12 · 1448 days ago · 30 km deep · 31 km away
35. 2.9Rat Islands, Aleutian Islands, AlaskaSat, Oct 15, 6:32 PM GMT+12 · 1447 days ago · 109 km deep · 100 km away
36. 3.2230 km W of Adak, AlaskaSat, Oct 15, 12:01 AM HADT · 1447 days ago · 166 km deep · 31 km away
37. 3.0246 km WSW of Adak, AlaskaSun, Oct 16, 4:16 AM GMT+12 · 1447 days ago · 35 km deep · 57 km away
38. 2.2210 km W of Adak, AlaskaMon, Oct 17, 8:56 AM HADT · 1445 days ago · 91 km deep · 32 km away
39. 1.7235 km W of Adak, AlaskaMon, Oct 17, 3:07 PM HADT · 1444 days ago · 13 km deep · 6 km away
40. 2.0265 km WSW of Adak, AlaskaTue, Oct 18, 1:43 PM GMT+12 · 1444 days ago · 54 km deep · 41 km away
41. 3.1Rat Islands, Aleutian Islands, AlaskaWed, Oct 19, 8:15 PM GMT+12 · 1443 days ago · 43 km deep · 87 km away
42. 2.2284 km WSW of Adak, AlaskaWed, Oct 19, 11:30 PM GMT+12 · 1443 days ago · 54 km deep · 53 km away
43. 2.2Rat Islands, Aleutian Islands, AlaskaThu, Oct 20, 8:40 AM GMT+12 · 1442 days ago · 69 km deep · 71 km away
44. 3.3Rat Islands, Aleutian Islands, AlaskaThu, Oct 20, 10:23 PM GMT+12 · 1442 days ago · 105 km deep · 92 km away
45. 3.0225 km WSW of Adak, AlaskaThu, Oct 20, 3:00 AM HADT · 1442 days ago · 10 km deep · 95 km away
46. 2.2254 km WSW of Adak, AlaskaFri, Oct 21, 2:13 AM GMT+12 · 1442 days ago · 45 km deep · 47 km away
47. 3.1219 km WSW of Adak, AlaskaThu, Oct 20, 9:07 PM HADT · 1441 days ago · 35 km deep · 81 km away
48. 2.8257 km WSW of Adak, AlaskaFri, Oct 21, 8:55 PM GMT+12 · 1441 days ago · 26 km deep · 59 km away
49. 2.6Rat Islands, Aleutian Islands, AlaskaFri, Oct 21, 11:52 PM GMT+12 · 1441 days ago · 70 km deep · 70 km away
50. 2.0260 km W of Adak, AlaskaSat, Oct 22, 8:57 AM GMT+12 · 1440 days ago · 5 km deep · 29 km away
51. 1.6147 km W of Adak, AlaskaFri, Oct 21, 12:36 PM HADT · 1440 days ago · 66 km deep · 93 km away
52. 2.0193 km WSW of Adak, AlaskaFri, Oct 21, 8:31 PM HADT · 1440 days ago · 22 km deep · 91 km away
53. 3.1239 km WSW of Adak, AlaskaSat, Oct 22, 7:07 AM GMT-12 · 1440 days ago · 35 km deep · 59 km away
54. 3.2182 km WSW of Adak, AlaskaSat, Oct 22, 11:51 AM HADT · 1439 days ago · 55 km deep · 82 km away
55. 2.7225 km WSW of Adak, AlaskaWed, Oct 26, 4:04 PM HADT · 1435 days ago · 35 km deep · 91 km away
56. 2.0Andreanof Islands, Aleutian Islands, AlaskaThu, Oct 27, 6:58 PM HADT · 1434 days ago · 18 km deep · 74 km away
57. 2.8198 km W of Adak, AlaskaThu, Oct 27, 10:53 PM HADT · 1434 days ago · 96 km deep · 43 km away
58. 3.7Rat Islands, Aleutian Islands, AlaskaMon, Oct 31, 12:28 PM GMT+12 · 1431 days ago · 54 km deep · 76 km away
59. 3.1Rat Islands, Aleutian Islands, AlaskaTue, Nov 1, 12:32 AM GMT+12 · 1431 days ago · 213 km deep · 74 km away
60. 1.9226 km WSW of Adak, AlaskaMon, Oct 31, 7:05 AM HADT · 1431 days ago · 2 km deep · 64 km away

The first 60 of 97.

Before

1. 2.6269 km W of Adak, AlaskaThu, Sep 29, 1:58 AM GMT+12 · 1464 days ago · 145 km deep · 29 km away
2. 1.7235 km W of Adak, AlaskaTue, Sep 27, 6:21 PM HADT · 1464 days ago · 10 km deep · 6 km away
3. 1.9232 km W of Adak, AlaskaSun, Sep 25, 11:57 PM HADT · 1466 days ago · 13 km deep · 11 km away
4. 2.3216 km W of Adak, AlaskaFri, Sep 23, 4:22 AM HADT · 1469 days ago · 87 km deep · 45 km away
5. 2.0Rat Islands, Aleutian Islands, AlaskaMon, Sep 19, 3:59 PM GMT+12 · 1473 days ago · 101 km deep · 87 km away
6. 1.8280 km W of Adak, AlaskaMon, Sep 19, 3:41 PM GMT+12 · 1473 days ago · 47 km deep · 46 km away
7. 2.6319 km WSW of Adak, AlaskaSun, Sep 18, 7:16 PM GMT+12 · 1474 days ago · 58 km deep · 84 km away
8. 2.9247 km WSW of Adak, AlaskaSat, Sep 17, 9:10 PM GMT+12 · 1475 days ago · 35 km deep · 62 km away
9. 4.6240 km WNW of Adak, AlaskaThu, Sep 15, 5:02 AM HADT · 1477 days ago · 233 km deep · 96 km away · felt by 1 · tsunami flag
10. 1.9Rat Islands, Aleutian Islands, AlaskaThu, Sep 15, 5:41 PM GMT+12 · 1477 days ago · 69 km deep · 99 km away
11. 1.8266 km W of Adak, AlaskaThu, Sep 15, 3:11 PM GMT+12 · 1477 days ago · 60 km deep · 30 km away
12. 3.3208 km W of Adak, AlaskaWed, Sep 14, 5:10 PM HADT · 1477 days ago · 16 km deep · 36 km away
13. 3.8Rat Islands, Aleutian Islands, AlaskaThu, Sep 15, 9:57 AM GMT+12 · 1477 days ago · 46 km deep · 81 km away
14. 2.9285 km W of Adak, AlaskaWed, Sep 14, 3:00 PM GMT+12 · 1478 days ago · 19 km deep · 44 km away
15. 2.1Rat Islands, Aleutian Islands, AlaskaWed, Sep 14, 6:23 AM GMT+12 · 1479 days ago · 105 km deep · 96 km away
16. 1.8189 km W of Adak, AlaskaTue, Sep 13, 7:54 AM HADT · 1479 days ago · 80 km deep · 52 km away
17. 2.0248 km WSW of Adak, AlaskaMon, Sep 12, 7:26 AM GMT-12 · 1479 days ago · 17 km deep · 91 km away
18. 2.1246 km WSW of Adak, AlaskaMon, Sep 12, 7:22 AM GMT-12 · 1479 days ago · 25 km deep · 92 km away
19. 3.0Rat Islands, Aleutian Islands, AlaskaMon, Sep 12, 1:00 PM GMT+12 · 1480 days ago · 173 km deep · 98 km away
20. 2.9Rat Islands, Aleutian Islands, AlaskaMon, Sep 12, 12:38 PM GMT+12 · 1480 days ago · 18 km deep · 72 km away

From the USGS Earthquake Hazards Program and its partner networks, event av91686341. Read Thu, Oct 1, 2026, 6:42 AM UTC.