M1.8 earthquake 41 km SSW of Adak, Alaska

Magnitude

1.8 (ML, local (Richter)), micro

Magnitude from

Alaska Earthquake Center

Local time

Thu, Mar 19, 2020, 11:09 AM HADT

UTC

2020-03-19 20:09:03 UTC

Depth

36.0 km (22.4 mi), shallow

Epicenter

51.523° N, 176.817° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

27

After

1. 3.017 km NNW of Adak, AlaskaThu, Mar 19, 3:33 PM HADT · 2390 days ago · 215 km deep · 56 km away
2. 2.791 km SW of Adak, AlaskaSat, Mar 21, 2:22 PM HADT · 2388 days ago · 62 km deep · 62 km away
3. 3.162 km S of Adak, AlaskaSun, Mar 22, 2:49 AM HADT · 2388 days ago · 35 km deep · 22 km away
4. 1.756 km SE of Adak, AlaskaSun, Mar 22, 6:15 AM HADT · 2388 days ago · 27 km deep · 53 km away
5. 2.760 km SE of Adak, AlaskaSun, Mar 22, 7:05 PM HADT · 2387 days ago · 36 km deep · 51 km away
6. 5.071 km WNW of Adak, AlaskaMon, Mar 23, 3:25 AM HADT · 2387 days ago · 101 km deep · 84 km away
7. 2.366 km W of Adak, AlaskaMon, Mar 23, 3:52 AM HADT · 2387 days ago · 93 km deep · 64 km away
8. 2.239 km ESE of Adak, AlaskaMon, Mar 23, 4:09 AM HADT · 2387 days ago · 133 km deep · 56 km away
9. 1.842 km W of Adak, AlaskaMon, Mar 23, 8:47 AM HADT · 2387 days ago · 69 km deep · 46 km away
10. 1.7114 km WSW of Adak, AlaskaMon, Mar 23, 2:36 PM HADT · 2386 days ago · 13 km deep · 92 km away
11. 2.315 km NW of Adak, AlaskaMon, Mar 23, 5:03 PM HADT · 2386 days ago · 188 km deep · 50 km away
12. 1.866 km W of Adak, AlaskaMon, Mar 23, 5:16 PM HADT · 2386 days ago · 90 km deep · 66 km away
13. 1.641 km ENE of Adak, AlaskaTue, Mar 24, 1:30 AM HADT · 2386 days ago · 3 km deep · 77 km away
14. 1.898 km WSW of Adak, AKTue, Mar 24, 3:02 PM HADT · 2385 days ago · 31 km deep · 73 km away
15. 2.868 km SE of Adak, AlaskaTue, Mar 24, 3:55 PM HADT · 2385 days ago · 31 km deep · 56 km away
16. 2.664 km SE of Adak, AlaskaTue, Mar 24, 4:13 PM HADT · 2385 days ago · 36 km deep · 57 km away
17. 2.062 km SE of Adak, AlaskaWed, Mar 25, 7:17 AM HADT · 2385 days ago · 22 km deep · 54 km away
18. 1.678 km W of Adak, AlaskaWed, Mar 25, 11:24 AM HADT · 2385 days ago · 7 km deep · 74 km away
19. 2.653 km S of Adak, AlaskaWed, Mar 25, 8:49 PM HADT · 2384 days ago · 37 km deep · 21 km away
20. 1.772 km SW of Adak, AlaskaThu, Mar 26, 8:08 AM HADT · 2384 days ago · 36 km deep · 46 km away
21. 1.579 km W of Adak, AlaskaThu, Mar 26, 8:24 AM HADT · 2384 days ago · 7 km deep · 75 km away
22. 2.548 km SE of Adak, AlaskaThu, Mar 26, 12:06 PM HADT · 2384 days ago · 37 km deep · 51 km away
23. 1.9120 km WSW of Adak, AlaskaThu, Mar 26, 8:21 PM HADT · 2383 days ago · 10 km deep · 98 km away
24. 1.6112 km WSW of Adak, AlaskaThu, Mar 26, 10:37 PM HADT · 2383 days ago · 51 km deep · 85 km away
25. 2.9102 km WSW of Adak, AlaskaThu, Mar 26, 11:03 PM HADT · 2383 days ago · 69 km deep · 83 km away
26. 3.592 km SW of Adak, AlaskaFri, Mar 27, 4:35 AM HADT · 2383 days ago · 17 km deep · 59 km away
27. 2.858 km SSE of Adak, AlaskaFri, Mar 27, 1:52 PM HADT · 2382 days ago · 35 km deep · 36 km away
28. 3.410 km S of Adak, AlaskaFri, Mar 27, 5:48 PM HADT · 2382 days ago · 79 km deep · 31 km away
29. 1.572 km SW of Adak, AlaskaFri, Mar 27, 6:23 PM HADT · 2382 days ago · 26 km deep · 42 km away
30. 1.673 km SW of Adak, AlaskaFri, Mar 27, 8:11 PM HADT · 2382 days ago · 34 km deep · 47 km away
31. 1.743 km ENE of Adak, AlaskaSat, Mar 28, 6:29 AM HADT · 2382 days ago · 8 km deep · 78 km away
32. 1.855 km ESE of Adak, AlaskaSat, Mar 28, 9:58 AM HADT · 2382 days ago · 37 km deep · 62 km away
33. 3.5116 km WSW of Adak, AKSat, Mar 28, 3:20 PM HADT · 2381 days ago · 58 km deep · 88 km away
34. 2.799 km W of Adak, AlaskaSat, Mar 28, 9:34 PM HADT · 2381 days ago · 197 km deep · 93 km away
35. 2.6111 km WSW of Adak, AlaskaSun, Mar 29, 10:31 PM HADT · 2380 days ago · 40 km deep · 85 km away
36. 3.252 km SW of Adak, AlaskaSun, Mar 29, 10:52 PM HADT · 2380 days ago · 44 km deep · 18 km away
37. 1.760 km SSW of Adak, AlaskaMon, Mar 30, 12:04 AM HADT · 2380 days ago · 40 km deep · 22 km away
38. 1.681 km W of Adak, AlaskaMon, Mar 30, 4:34 AM HADT · 2380 days ago · 7 km deep · 79 km away
39. 1.579 km WSW of Adak, AlaskaMon, Mar 30, 9:56 PM HADT · 2379 days ago · 26 km deep · 54 km away
40. 1.840 km S of Adak, AlaskaTue, Mar 31, 2:12 AM HADT · 2379 days ago · 32 km deep · 6 km away
41. 1.681 km W of Adak, AlaskaTue, Mar 31, 4:07 AM HADT · 2379 days ago · 7 km deep · 79 km away
42. 1.741 km ENE of Adak, AlaskaTue, Mar 31, 10:59 AM HADT · 2379 days ago · 4 km deep · 77 km away
43. 1.534 km ESE of Adak, AlaskaTue, Mar 31, 3:03 PM HADT · 2378 days ago · 72 km deep · 54 km away
44. 1.641 km S of Adak, AlaskaTue, Mar 31, 5:24 PM HADT · 2378 days ago · 33 km deep · 15 km away
45. 1.765 km SE of Adak, AlaskaTue, Mar 31, 7:25 PM HADT · 2378 days ago · 27 km deep · 52 km away
46. 1.576 km W of Adak, AlaskaWed, Apr 1, 2:39 AM HADT · 2378 days ago · 7 km deep · 72 km away
47. 1.739 km W of Adak, AlaskaWed, Apr 1, 12:41 PM HADT · 2378 days ago · 92 km deep · 44 km away
48. 2.075 km W of Adak, AlaskaWed, Apr 1, 3:44 PM HADT · 2377 days ago · 6 km deep · 72 km away
49. 1.8134 km SW of Adak, AlaskaWed, Apr 1, 4:37 PM HADT · 2377 days ago · 26 km deep · 97 km away
50. 1.796 km WSW of Adak, AlaskaThu, Apr 2, 6:16 AM HADT · 2377 days ago · 21 km deep · 73 km away
51. 3.544 km W of Adak, AlaskaThu, Apr 2, 2:41 PM HADT · 2376 days ago · 101 km deep · 46 km away
52. 3.244 km SSW of Adak, AlaskaThu, Apr 2, 8:10 PM HADT · 2376 days ago · 34 km deep · 6 km away
53. 1.962 km WSW of Adak, AlaskaThu, Apr 2, 10:37 PM HADT · 2376 days ago · 13 km deep · 49 km away
54. 2.7127 km WSW of Adak, AlaskaFri, Apr 3, 2:03 AM HADT · 2376 days ago · 28 km deep · 99 km away
55. 1.737 km WSW of Adak, AlaskaFri, Apr 3, 9:54 AM HADT · 2376 days ago · 13 km deep · 30 km away
56. 2.144 km ENE of Adak, AlaskaFri, Apr 3, 3:53 PM HADT · 2375 days ago · 9 km deep · 78 km away
57. 2.260 km WSW of Adak, AlaskaFri, Apr 3, 4:36 PM HADT · 2375 days ago · 14 km deep · 39 km away
58. 1.981 km W of Adak, AlaskaSat, Apr 4, 2:50 PM HADT · 2374 days ago · 3 km deep · 79 km away
59. 2.054 km SSE of Adak, AlaskaSun, Apr 5, 3:31 AM HADT · 2374 days ago · 25 km deep · 41 km away
60. 3.5Andreanof Islands, Aleutian Islands, AlaskaSun, Apr 5, 7:37 PM HADT · 2373 days ago · 77 km deep · 36 km away

The first 60 of at least 199.

Before

1. 2.718 km SSE of Adak, AlaskaThu, Mar 19, 10:32 AM HADT · 2391 days ago · 69 km deep · 30 km away
2. 2.257 km SW of Adak, AlaskaThu, Mar 19, 3:57 AM HADT · 2391 days ago · 52 km deep · 27 km away
3. 3.3123 km WSW of Adak, AlaskaWed, Mar 18, 2:01 AM HADT · 2392 days ago · 28 km deep · 98 km away
4. 1.662 km W of Adak, AlaskaTue, Mar 17, 9:33 AM HADT · 2393 days ago · 7 km deep · 58 km away
5. 1.6123 km WSW of Adak, AlaskaTue, Mar 17, 7:45 AM HADT · 2393 days ago · 26 km deep · 98 km away
6. 1.937 km WSW of Adak, AlaskaTue, Mar 17, 6:08 AM HADT · 2393 days ago · 12 km deep · 29 km away
7. 1.968 km SE of Adak, AlaskaTue, Mar 17, 4:10 AM HADT · 2393 days ago · 25 km deep · 61 km away
8. 1.641 km E of Adak, AlaskaSun, Mar 15, 8:39 PM HADT · 2394 days ago · 72 km deep · 66 km away
9. 2.823 km SSW of Adak, AlaskaSun, Mar 15, 7:43 PM HADT · 2394 days ago · 72 km deep · 18 km away
10. 3.0115 km WSW of Adak, AlaskaSun, Mar 15, 7:21 PM HADT · 2394 days ago · 28 km deep · 91 km away
11. 1.920 km ESE of Adak, AlaskaSun, Mar 15, 9:02 AM HADT · 2395 days ago · 70 km deep · 44 km away
12. 1.765 km WSW of Adak, AlaskaFri, Mar 13, 3:25 PM HADT · 2396 days ago · 60 km deep · 48 km away
13. 1.680 km W of Adak, AlaskaFri, Mar 13, 10:42 AM HADT · 2397 days ago · 5 km deep · 76 km away
14. 2.541 km ENE of Adak, AlaskaFri, Mar 13, 10:08 AM HADT · 2397 days ago · 2 km deep · 77 km away
15. 2.341 km ENE of Adak, AlaskaFri, Mar 13, 10:08 AM HADT · 2397 days ago · 5 km deep · 77 km away
16. 2.764 km S of Adak, AlaskaFri, Mar 13, 6:59 AM HADT · 2397 days ago · 31 km deep · 25 km away
17. 1.779 km W of Adak, AlaskaFri, Mar 13, 3:55 AM HADT · 2397 days ago · 5 km deep · 74 km away
18. 2.0Andreanof Islands, Aleutian Islands, AlaskaFri, Mar 13, 12:58 AM HADT · 2397 days ago · 83 km deep · 39 km away
19. 1.6Andreanof Islands, Aleutian Islands, AlaskaThu, Mar 12, 8:56 PM HADT · 2397 days ago · 8 km deep · 80 km away
20. 1.961 km SE of Adak, AlaskaThu, Mar 12, 6:32 PM HADT · 2397 days ago · 22 km deep · 50 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak0203mzf0uj. Read Mon, Oct 5, 2026, 9:36 AM UTC.