M2.2 earthquake 60 km WSW of Adak, Alaska

Magnitude

2.2 (ml), micro

Local time

Fri, Apr 3, 2020, 4:36 PM HADT

UTC

2020-04-04 01:36:38 UTC

Depth

13.6 km (8.4 mi), shallow

Epicenter

51.577° N, 177.368° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.9 km horizontally, 1.0 km in depth

Magnitude uncertainty

±0.19

Depth from

From location

Station coverage gap

235°, poorly surrounded by stations

Stations used

15

After

1. 1.981 km W of Adak, AlaskaSat, Apr 4, 2:50 PM HADT · 2370 days ago · 3 km deep · 44 km away
2. 2.054 km SSE of Adak, AlaskaSun, Apr 5, 3:31 AM HADT · 2369 days ago · 25 km deep · 80 km away
3. 3.5Andreanof Islands, Aleutian Islands, AlaskaSun, Apr 5, 7:37 PM HADT · 2369 days ago · 77 km deep · 17 km away
4. 1.982 km W of Adak, AlaskaSun, Apr 5, 8:44 PM HADT · 2369 days ago · 5 km deep · 45 km away
5. 2.782 km W of Adak, AlaskaSun, Apr 5, 10:47 PM HADT · 2369 days ago · 8 km deep · 39 km away
6. 1.882 km W of Adak, AlaskaSun, Apr 5, 10:49 PM HADT · 2369 days ago · 5 km deep · 44 km away
7. 1.682 km W of Adak, AlaskaSun, Apr 5, 10:52 PM HADT · 2369 days ago · 5 km deep · 42 km away
8. 1.879 km W of Adak, AlaskaMon, Apr 6, 12:01 AM HADT · 2369 days ago · 0 km deep · 42 km away
9. 1.685 km W of Adak, AlaskaMon, Apr 6, 11:52 AM HADT · 2368 days ago · 7 km deep · 45 km away
10. 1.567 km SSW of Adak, AlaskaMon, Apr 6, 7:09 PM HADT · 2368 days ago · 35 km deep · 30 km away
11. 1.564 km SE of Adak, AlaskaMon, Apr 6, 7:57 PM HADT · 2368 days ago · 23 km deep · 95 km away
12. 3.6133 km WSW of Adak, AlaskaWed, Apr 8, 5:30 AM HADT · 2366 days ago · 33 km deep · 74 km away
13. 1.7106 km WSW of Adak, AlaskaWed, Apr 8, 10:35 PM HADT · 2366 days ago · 14 km deep · 50 km away
14. 1.767 km SW of Adak, AlaskaWed, Apr 8, 10:58 PM HADT · 2366 days ago · 54 km deep · 10 km away
15. 1.672 km W of Adak, AlaskaThu, Apr 9, 8:14 AM HADT · 2365 days ago · 6 km deep · 35 km away
16. 2.652 km SSE of Adak, AlaskaSat, Apr 11, 2:36 AM HADT · 2363 days ago · 35 km deep · 77 km away
17. 1.675 km SW of Adak, AlaskaSat, Apr 11, 3:39 AM HADT · 2363 days ago · 32 km deep · 19 km away
18. 1.772 km SW of Adak, AlaskaSat, Apr 11, 9:13 AM HADT · 2363 days ago · 26 km deep · 19 km away
19. 1.885 km SW of Adak, AlaskaSat, Apr 11, 11:35 AM HADT · 2363 days ago · 45 km deep · 29 km away
20. 1.669 km SSW of Adak, AlaskaSat, Apr 11, 1:27 PM HADT · 2363 days ago · 21 km deep · 40 km away
21. 1.9112 km WSW of Adak, AlaskaSat, Apr 11, 2:01 PM HADT · 2363 days ago · 49 km deep · 52 km away
22. 1.580 km W of Adak, AlaskaSun, Apr 12, 3:02 AM HADT · 2362 days ago · 5 km deep · 42 km away
23. 1.6125 km WSW of Adak, AlaskaSun, Apr 12, 4:03 AM HADT · 2362 days ago · 5 km deep · 72 km away
24. 1.842 km SSE of Adak, AlaskaMon, Apr 13, 2:00 PM HADT · 2361 days ago · 32 km deep · 70 km away
25. 1.7156 km WSW of Adak, AlaskaMon, Apr 13, 3:49 PM HADT · 2361 days ago · 16 km deep · 100 km away
26. 1.678 km SW of Adak, AlaskaMon, Apr 13, 9:29 PM HADT · 2361 days ago · 30 km deep · 20 km away
27. 1.572 km WSW of Adak, AlaskaTue, Apr 14, 3:17 AM HADT · 2360 days ago · 65 km deep · 16 km away
28. 1.782 km WSW of Adak, AlaskaTue, Apr 14, 4:10 AM HADT · 2360 days ago · 67 km deep · 23 km away
29. 2.0124 km WSW of Adak, AlaskaTue, Apr 14, 8:16 AM HADT · 2360 days ago · 33 km deep · 64 km away
30. 1.5101 km SW of Adak, AlaskaTue, Apr 14, 3:15 PM HADT · 2360 days ago · 40 km deep · 45 km away
31. 1.689 km WSW of Adak, AlaskaWed, Apr 15, 5:47 AM HADT · 2359 days ago · 57 km deep · 29 km away
32. 2.573 km SW of Adak, AlaskaWed, Apr 15, 8:52 PM HADT · 2359 days ago · 37 km deep · 15 km away
33. 2.063 km SSE of Adak, AlaskaThu, Apr 16, 1:30 AM HADT · 2358 days ago · 26 km deep · 72 km away
34. 3.897 km SW of Adak, AlaskaThu, Apr 16, 9:04 AM HADT · 2358 days ago · 35 km deep · 39 km away
35. 1.655 km SSE of Adak, AlaskaThu, Apr 16, 3:56 PM HADT · 2358 days ago · 23 km deep · 74 km away
36. 2.538 km SW of Adak, AlaskaThu, Apr 16, 6:09 PM HADT · 2358 days ago · 69 km deep · 24 km away
37. 2.896 km SSE of Adak, AlaskaFri, Apr 17, 3:31 AM HADT · 2357 days ago · 10 km deep · 96 km away
38. 2.563 km SE of Adak, AlaskaFri, Apr 17, 2:19 PM HADT · 2357 days ago · 35 km deep · 97 km away
39. 1.564 km SSW of Adak, AlaskaFri, Apr 17, 4:00 PM HADT · 2357 days ago · 34 km deep · 35 km away
40. 2.7122 km WSW of Adak, AlaskaSat, Apr 18, 10:32 AM HADT · 2356 days ago · 35 km deep · 63 km away
41. 1.784 km S of Adak, AlaskaSat, Apr 18, 12:32 PM HADT · 2356 days ago · 26 km deep · 67 km away
42. 1.773 km WSW of Adak, AlaskaSat, Apr 18, 8:22 PM HADT · 2356 days ago · 79 km deep · 29 km away
43. 1.532 km SSE of Adak, AlaskaSun, Apr 19, 12:21 AM HADT · 2356 days ago · 49 km deep · 68 km away
44. 1.698 km WSW of Adak, AlaskaSun, Apr 19, 10:00 PM HADT · 2355 days ago · 23 km deep · 39 km away
45. 1.765 km SE of Adak, AlaskaMon, Apr 20, 12:57 AM HADT · 2355 days ago · 13 km deep · 93 km away
46. 1.674 km WSW of Adak, AlaskaMon, Apr 20, 4:35 AM HADT · 2354 days ago · 59 km deep · 15 km away
47. 3.457 km SE of Adak, AlaskaMon, Apr 20, 4:16 PM HADT · 2354 days ago · 35 km deep · 87 km away
48. 1.662 km SE of Adak, AlaskaMon, Apr 20, 4:31 PM HADT · 2354 days ago · 13 km deep · 89 km away
49. 2.5158 km WSW of Adak, AlaskaTue, Apr 21, 1:42 PM HADT · 2353 days ago · 10 km deep · 100 km away
50. 1.746 km SW of Adak, AlaskaTue, Apr 21, 5:33 PM HADT · 2353 days ago · 28 km deep · 17 km away
51. 2.080 km W of Adak, AlaskaWed, Apr 22, 4:09 AM HADT · 2352 days ago · 10 km deep · 42 km away
52. 3.836 km SSW of Adak, AlaskaWed, Apr 22, 4:42 AM HADT · 2352 days ago · 69 km deep · 41 km away
53. 1.763 km SE of Adak, AlaskaWed, Apr 22, 1:25 PM HADT · 2352 days ago · 24 km deep · 97 km away
54. 1.7150 km WSW of Adak, AlaskaWed, Apr 22, 10:47 PM HADT · 2352 days ago · 26 km deep · 90 km away
55. 1.673 km SSE of Adak, AlaskaWed, Apr 22, 10:57 PM HADT · 2352 days ago · 13 km deep · 87 km away
56. 1.549 km SW of Adak, AlaskaWed, Apr 22, 11:29 PM HADT · 2352 days ago · 44 km deep · 19 km away
57. 1.981 km W of Adak, AlaskaThu, Apr 23, 10:04 AM HADT · 2351 days ago · 5 km deep · 43 km away
58. 3.062 km SE of Adak, AlaskaThu, Apr 23, 11:27 AM HADT · 2351 days ago · 35 km deep · 97 km away
59. 1.6144 km WSW of Adak, AlaskaThu, Apr 23, 1:39 PM HADT · 2351 days ago · 7 km deep · 88 km away
60. 1.556 km WSW of Adak, AlaskaThu, Apr 23, 1:51 PM HADT · 2351 days ago · 66 km deep · 15 km away

The first 60 of at least 200.

Before

1. 1.737 km WSW of Adak, AlaskaFri, Apr 3, 9:54 AM HADT · 2371 days ago · 13 km deep · 23 km away
2. 2.7127 km WSW of Adak, AlaskaFri, Apr 3, 2:03 AM HADT · 2371 days ago · 28 km deep · 67 km away
3. 1.962 km WSW of Adak, AlaskaThu, Apr 2, 10:37 PM HADT · 2372 days ago · 13 km deep · 13 km away
4. 3.244 km SSW of Adak, AlaskaThu, Apr 2, 8:10 PM HADT · 2372 days ago · 34 km deep · 43 km away
5. 3.544 km W of Adak, AlaskaThu, Apr 2, 2:41 PM HADT · 2372 days ago · 101 km deep · 28 km away
6. 2.0134 km WSW of Adak, AlaskaThu, Apr 2, 7:31 AM HADT · 2372 days ago · 7 km deep · 82 km away
7. 1.796 km WSW of Adak, AlaskaThu, Apr 2, 6:16 AM HADT · 2372 days ago · 21 km deep · 36 km away
8. 1.8134 km SW of Adak, AlaskaWed, Apr 1, 4:37 PM HADT · 2373 days ago · 26 km deep · 79 km away
9. 3.5132 km WSW of Adak, AlaskaWed, Apr 1, 3:45 PM HADT · 2373 days ago · 32 km deep · 72 km away
10. 2.075 km W of Adak, AlaskaWed, Apr 1, 3:44 PM HADT · 2373 days ago · 6 km deep · 38 km away
11. 1.739 km W of Adak, AlaskaWed, Apr 1, 12:41 PM HADT · 2373 days ago · 92 km deep · 32 km away
12. 1.576 km W of Adak, AlaskaWed, Apr 1, 2:39 AM HADT · 2373 days ago · 7 km deep · 37 km away
13. 1.6131 km WSW of Adak, AlaskaWed, Apr 1, 1:22 AM HADT · 2374 days ago · 29 km deep · 71 km away
14. 4.8138 km WSW of Adak, AlaskaWed, Apr 1, 12:32 AM HADT · 2374 days ago · 35 km deep · 78 km away
15. 1.765 km SE of Adak, AlaskaTue, Mar 31, 7:25 PM HADT · 2374 days ago · 27 km deep · 91 km away
16. 1.641 km S of Adak, AlaskaTue, Mar 31, 5:24 PM HADT · 2374 days ago · 33 km deep · 53 km away
17. 1.534 km ESE of Adak, AlaskaTue, Mar 31, 3:03 PM HADT · 2374 days ago · 72 km deep · 86 km away
18. 1.681 km W of Adak, AlaskaTue, Mar 31, 4:07 AM HADT · 2374 days ago · 7 km deep · 45 km away
19. 1.840 km S of Adak, AlaskaTue, Mar 31, 2:12 AM HADT · 2374 days ago · 32 km deep · 45 km away
20. 1.579 km WSW of Adak, AlaskaMon, Mar 30, 9:56 PM HADT · 2375 days ago · 26 km deep · 19 km away

From the USGS Earthquake Hazards Program and its partner networks, event av62153336. Read Wed, Sep 30, 2026, 9:54 PM UTC.