M1.9 earthquake 144 km S of Adak, Alaska

Magnitude

1.9 (ml), micro

Local time

Fri, Apr 17, 2020, 9:23 PM HADT

UTC

2020-04-18 06:23:24 UTC

Depth

23.3 km (14.5 mi), shallow

Epicenter

50.598° N, 176.236° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

21

After

1. 1.784 km S of Adak, AlaskaSat, Apr 18, 12:32 PM HADT · 2355 days ago · 26 km deep · 68 km away
2. 1.568 km SE of Adak, AlaskaSat, Apr 18, 7:02 PM HADT · 2355 days ago · 26 km deep · 100 km away
3. 1.695 km SE of Adak, AlaskaSun, Apr 19, 4:47 PM HADT · 2354 days ago · 25 km deep · 100 km away
4. 1.765 km SE of Adak, AlaskaMon, Apr 20, 12:57 AM HADT · 2354 days ago · 13 km deep · 90 km away
5. 2.7151 km S of Adak, AlaskaMon, Apr 20, 2:16 AM HADT · 2354 days ago · 10 km deep · 52 km away
6. 2.6107 km SE of Adak, AlaskaMon, Apr 20, 3:19 PM HADT · 2353 days ago · 35 km deep · 100 km away
7. 3.457 km SE of Adak, AlaskaMon, Apr 20, 4:16 PM HADT · 2353 days ago · 35 km deep · 98 km away
8. 1.662 km SE of Adak, AlaskaMon, Apr 20, 4:31 PM HADT · 2353 days ago · 13 km deep · 92 km away
9. 2.272 km SE of Adak, AlaskaTue, Apr 21, 6:59 AM HADT · 2353 days ago · 27 km deep · 97 km away
10. 1.673 km SSE of Adak, AlaskaWed, Apr 22, 10:57 PM HADT · 2351 days ago · 13 km deep · 75 km away
11. 1.565 km SSW of Adak, AlaskaFri, Apr 24, 7:52 PM HADT · 2349 days ago · 26 km deep · 97 km away
12. 1.797 km SE of Adak, AlaskaSat, Apr 25, 10:34 AM HADT · 2349 days ago · 19 km deep · 99 km away
13. 2.851 km SSE of Adak, AlaskaMon, Apr 27, 1:25 AM HADT · 2347 days ago · 41 km deep · 94 km away
14. 1.564 km SSE of Adak, AlaskaWed, Apr 29, 8:12 PM HADT · 2344 days ago · 22 km deep · 86 km away
15. 1.667 km S of Adak, AlaskaSat, May 2, 10:30 PM HADT · 2341 days ago · 26 km deep · 78 km away
16. 1.774 km SSE of Adak, AlaskaSun, May 3, 10:25 AM HADT · 2341 days ago · 20 km deep · 70 km away
17. 1.747 km S of Adak, AlaskaMon, May 4, 10:10 AM HADT · 2340 days ago · 25 km deep · 97 km away
18. 2.753 km SE of Adak, AlaskaMon, May 4, 5:45 PM HADT · 2339 days ago · 35 km deep · 98 km away
19. 1.776 km S of Adak, AlaskaMon, May 4, 11:47 PM HADT · 2339 days ago · 26 km deep · 68 km away
20. 3.067 km SSE of Adak, AlaskaTue, May 5, 8:26 AM HADT · 2339 days ago · 35 km deep · 83 km away
21. 2.867 km SSE of Adak, AlaskaWed, May 6, 3:11 PM HADT · 2337 days ago · 35 km deep · 84 km away
22. 1.872 km SSW of Adak, AlaskaThu, May 7, 12:05 AM HADT · 2337 days ago · 29 km deep · 99 km away
23. 1.672 km SSW of Adak, AlaskaThu, May 7, 12:08 AM HADT · 2337 days ago · 29 km deep · 98 km away
24. 2.6157 km SSW of Adak, AlaskaThu, May 7, 6:25 AM HADT · 2337 days ago · 10 km deep · 93 km away
25. 1.8104 km S of Adak, AlaskaThu, May 7, 8:46 AM HADT · 2337 days ago · 12 km deep · 40 km away
26. 1.8152 km SE of Adak, AlaskaFri, May 8, 1:55 AM HADT · 2336 days ago · 12 km deep · 91 km away
27. 1.9105 km SSE of Adak, AlaskaFri, May 8, 2:32 AM HADT · 2336 days ago · 38 km deep · 39 km away
28. 1.972 km SSW of Adak, AlaskaFri, May 8, 11:37 PM HADT · 2335 days ago · 32 km deep · 99 km away
29. 2.1Andreanof Islands, Aleutian Islands, AlaskaSat, May 9, 9:12 PM HADT · 2334 days ago · 16 km deep · 54 km away
30. 2.1103 km S of Adak, AlaskaSat, May 9, 9:18 PM HADT · 2334 days ago · 20 km deep · 42 km away
31. 2.1102 km S of Adak, AlaskaSat, May 9, 9:21 PM HADT · 2334 days ago · 13 km deep · 42 km away
32. 2.2110 km SSE of Adak, AlaskaSat, May 9, 9:39 PM HADT · 2334 days ago · 22 km deep · 34 km away
33. 1.995 km S of Adak, AlaskaSun, May 10, 10:45 AM HADT · 2334 days ago · 25 km deep · 49 km away
34. 3.6106 km S of Adak, AlaskaSun, May 10, 4:51 PM HADT · 2333 days ago · 10 km deep · 38 km away
35. 1.9101 km S of Adak, AlaskaSun, May 10, 6:20 PM HADT · 2333 days ago · 12 km deep · 43 km away
36. 2.6112 km S of Adak, AlaskaSun, May 10, 8:35 PM HADT · 2333 days ago · 10 km deep · 32 km away
37. 4.0117 km S of Adak, AlaskaSun, May 10, 8:54 PM HADT · 2333 days ago · 10 km deep · 28 km away
38. 1.9101 km S of Adak, AlaskaSun, May 10, 9:02 PM HADT · 2333 days ago · 11 km deep · 43 km away
39. 1.897 km S of Adak, AlaskaSun, May 10, 9:09 PM HADT · 2333 days ago · 11 km deep · 47 km away
40. 3.1109 km S of Adak, AlaskaSun, May 10, 10:33 PM HADT · 2333 days ago · 26 km deep · 35 km away
41. 3.5107 km S of Adak, AlaskaSun, May 10, 10:46 PM HADT · 2333 days ago · 30 km deep · 38 km away
42. 2.5111 km S of Adak, AlaskaSun, May 10, 10:47 PM HADT · 2333 days ago · 10 km deep · 33 km away
43. 3.6105 km S of Adak, AlaskaSun, May 10, 10:49 PM HADT · 2333 days ago · 23 km deep · 40 km away
44. 1.999 km S of Adak, AlaskaSun, May 10, 10:57 PM HADT · 2333 days ago · 14 km deep · 45 km away
45. 2.5116 km S of Adak, AlaskaMon, May 11, 12:20 AM HADT · 2333 days ago · 29 km deep · 28 km away
46. 2.0101 km S of Adak, AlaskaMon, May 11, 12:47 AM HADT · 2333 days ago · 11 km deep · 44 km away
47. 3.9106 km S of Adak, AlaskaMon, May 11, 1:42 AM HADT · 2333 days ago · 10 km deep · 38 km away
48. 3.0110 km SSE of Adak, AlaskaMon, May 11, 1:44 AM HADT · 2333 days ago · 10 km deep · 34 km away
49. 1.8103 km S of Adak, AlaskaMon, May 11, 1:52 AM HADT · 2333 days ago · 10 km deep · 41 km away
50. 2.8113 km S of Adak, AlaskaMon, May 11, 2:23 AM HADT · 2333 days ago · 29 km deep · 31 km away
51. 1.9103 km S of Adak, AlaskaMon, May 11, 2:48 AM HADT · 2333 days ago · 20 km deep · 41 km away
52. 1.799 km S of Adak, AlaskaMon, May 11, 2:54 AM HADT · 2333 days ago · 11 km deep · 45 km away
53. 1.798 km S of Adak, AlaskaMon, May 11, 3:01 AM HADT · 2333 days ago · 7 km deep · 46 km away
54. 1.8105 km S of Adak, AlaskaMon, May 11, 3:08 AM HADT · 2333 days ago · 25 km deep · 40 km away
55. 1.9102 km S of Adak, AlaskaMon, May 11, 3:47 AM HADT · 2333 days ago · 11 km deep · 42 km away
56. 1.8102 km S of Adak, AlaskaMon, May 11, 8:32 AM HADT · 2333 days ago · 14 km deep · 42 km away
57. 1.7107 km SSE of Adak, AlaskaMon, May 11, 10:39 AM HADT · 2333 days ago · 34 km deep · 37 km away
58. 3.0101 km S of Adak, AlaskaMon, May 11, 1:14 PM HADT · 2332 days ago · 10 km deep · 43 km away
59. 1.698 km SSE of Adak, AlaskaMon, May 11, 1:19 PM HADT · 2332 days ago · 15 km deep · 46 km away
60. 2.5112 km S of Adak, AlaskaMon, May 11, 2:36 PM HADT · 2332 days ago · 10 km deep · 32 km away

The first 60 of 101.

Before

1. 2.563 km SE of Adak, AlaskaFri, Apr 17, 2:19 PM HADT · 2356 days ago · 35 km deep · 98 km away
2. 2.896 km SSE of Adak, AlaskaFri, Apr 17, 3:31 AM HADT · 2357 days ago · 10 km deep · 49 km away
3. 1.655 km SSE of Adak, AlaskaThu, Apr 16, 3:56 PM HADT · 2357 days ago · 23 km deep · 91 km away
4. 2.063 km SSE of Adak, AlaskaThu, Apr 16, 1:30 AM HADT · 2358 days ago · 26 km deep · 81 km away
5. 3.8214 km SSE of Adak, AlaskaWed, Apr 15, 11:32 AM HADT · 2359 days ago · 10 km deep · 90 km away
6. 3.388 km SE of Adak, AlaskaWed, Apr 15, 10:49 AM HADT · 2359 days ago · 35 km deep · 89 km away
7. 1.669 km SSW of Adak, AlaskaSat, Apr 11, 1:27 PM HADT · 2362 days ago · 21 km deep · 94 km away
8. 2.652 km SSE of Adak, AlaskaSat, Apr 11, 2:36 AM HADT · 2363 days ago · 35 km deep · 95 km away
9. 2.587 km SE of Adak, AlaskaFri, Apr 10, 11:47 PM HADT · 2363 days ago · 29 km deep · 97 km away
10. 2.677 km SE of Adak, AlaskaFri, Apr 10, 10:25 AM HADT · 2364 days ago · 34 km deep · 91 km away
11. 1.564 km SE of Adak, AlaskaMon, Apr 6, 7:57 PM HADT · 2367 days ago · 23 km deep · 95 km away
12. 2.054 km SSE of Adak, AlaskaSun, Apr 5, 3:31 AM HADT · 2369 days ago · 25 km deep · 95 km away
13. 1.765 km SE of Adak, AlaskaTue, Mar 31, 7:25 PM HADT · 2373 days ago · 27 km deep · 89 km away
14. 2.3Andreanof Islands, Aleutian Islands, AlaskaMon, Mar 30, 7:09 PM HADT · 2374 days ago · 25 km deep · 83 km away
15. 2.858 km SSE of Adak, AlaskaFri, Mar 27, 1:52 PM HADT · 2377 days ago · 35 km deep · 87 km away
16. 2.653 km S of Adak, AlaskaWed, Mar 25, 8:49 PM HADT · 2379 days ago · 37 km deep · 92 km away
17. 2.062 km SE of Adak, AlaskaWed, Mar 25, 7:17 AM HADT · 2380 days ago · 22 km deep · 96 km away
18. 2.664 km SE of Adak, AlaskaTue, Mar 24, 4:13 PM HADT · 2380 days ago · 36 km deep · 96 km away
19. 2.868 km SE of Adak, AlaskaTue, Mar 24, 3:55 PM HADT · 2380 days ago · 31 km deep · 88 km away
20. 2.760 km SE of Adak, AlaskaSun, Mar 22, 7:05 PM HADT · 2382 days ago · 36 km deep · 95 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak02050daetf. Read Wed, Sep 30, 2026, 8:23 AM UTC.