M1.8 earthquake 125 km SSW of Atka, Alaska

Magnitude

1.8 (ML, local (Richter)), micro

Magnitude from

Alaska Earthquake Center

Local time

Thu, Feb 27, 2020, 7:59 AM HAST

UTC

2020-02-27 17:59:19 UTC

Depth

15.0 km (9.3 mi), shallow

Epicenter

51.231° N, 175.144° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

10

After

1. 1.958 km SSE of Adak, AlaskaFri, Feb 28, 10:37 PM HAST · 2406 days ago · 23 km deep · 75 km away
2. 1.558 km SSE of Adak, AlaskaSat, Feb 29, 1:27 AM HAST · 2406 days ago · 26 km deep · 80 km away
3. 2.959 km SSW of Atka, AlaskaSun, Mar 1, 1:56 AM HAST · 2405 days ago · 28 km deep · 67 km away
4. 1.561 km ESE of Adak, AlaskaSun, Mar 1, 8:40 PM HAST · 2404 days ago · 30 km deep · 64 km away
5. 4.031 km SSE of Adak, AlaskaMon, Mar 2, 2:51 AM HAST · 2404 days ago · 48 km deep · 99 km away
6. 2.549 km SSE of Adak, AlaskaMon, Mar 2, 8:20 AM HAST · 2404 days ago · 35 km deep · 88 km away
7. 1.9167 km SE of Adak, AlaskaWed, Mar 4, 3:50 AM HAST · 2402 days ago · 25 km deep · 58 km away
8. 1.861 km SE of Adak, AlaskaWed, Mar 4, 7:24 PM HAST · 2401 days ago · 23 km deep · 70 km away
9. 2.798 km SW of Atka, AlaskaFri, Mar 6, 1:32 PM HAST · 2399 days ago · 35 km deep · 40 km away
10. 1.9126 km SSW of Atka, AlaskaSat, Mar 7, 5:56 AM HAST · 2399 days ago · 25 km deep · 11 km away
11. 1.851 km SW of Atka, AlaskaSat, Mar 7, 2:52 PM HAST · 2398 days ago · 63 km deep · 77 km away
12. 3.089 km SSW of Atka, AlaskaSun, Mar 8, 8:37 AM HADT · 2398 days ago · 42 km deep · 43 km away
13. 1.784 km SE of Adak, AlaskaMon, Mar 9, 3:36 PM HADT · 2396 days ago · 26 km deep · 41 km away
14. 1.669 km SSE of Adak, AlaskaMon, Mar 9, 8:11 PM HADT · 2396 days ago · 26 km deep · 82 km away
15. 2.858 km SSE of Adak, AlaskaTue, Mar 10, 11:17 AM HADT · 2395 days ago · 35 km deep · 76 km away
16. 2.965 km ESE of Adak, AlaskaThu, Mar 12, 3:33 PM HADT · 2393 days ago · 35 km deep · 60 km away
17. 1.961 km SE of Adak, AlaskaThu, Mar 12, 6:32 PM HADT · 2393 days ago · 22 km deep · 71 km away
18. 2.074 km E of Adak, AlaskaSat, Mar 14, 9:58 AM HADT · 2392 days ago · 88 km deep · 91 km away
19. 2.6108 km SE of Adak, AlaskaSun, Mar 15, 4:22 PM HADT · 2390 days ago · 28 km deep · 17 km away
20. 1.641 km E of Adak, AlaskaSun, Mar 15, 8:39 PM HADT · 2390 days ago · 72 km deep · 93 km away
21. 1.968 km SE of Adak, AlaskaTue, Mar 17, 4:10 AM HADT · 2389 days ago · 25 km deep · 60 km away
22. 1.995 km ESE of Adak, AlaskaThu, Mar 19, 8:07 PM HADT · 2386 days ago · 30 km deep · 42 km away
23. 3.591 km SW of Atka, AlaskaFri, Mar 20, 2:44 AM HADT · 2386 days ago · 35 km deep · 45 km away
24. 1.8177 km SSE of Adak, AlaskaSat, Mar 21, 5:59 PM HADT · 2384 days ago · 5 km deep · 80 km away
25. 1.756 km SE of Adak, AlaskaSun, Mar 22, 6:15 AM HADT · 2384 days ago · 27 km deep · 70 km away
26. 2.760 km SE of Adak, AlaskaSun, Mar 22, 7:05 PM HADT · 2383 days ago · 36 km deep · 70 km away
27. 2.239 km ESE of Adak, AlaskaMon, Mar 23, 4:09 AM HADT · 2383 days ago · 133 km deep · 88 km away
28. 2.9109 km SW of Atka, AlaskaMon, Mar 23, 8:58 PM HADT · 2382 days ago · 14 km deep · 19 km away
29. 4.8117 km SSW of Atka, AlaskaMon, Mar 23, 10:11 PM HADT · 2382 days ago · 20 km deep · 9 km away
30. 2.868 km SE of Adak, AlaskaTue, Mar 24, 3:55 PM HADT · 2381 days ago · 31 km deep · 65 km away
31. 2.664 km SE of Adak, AlaskaTue, Mar 24, 4:13 PM HADT · 2381 days ago · 36 km deep · 65 km away
32. 2.062 km SE of Adak, AlaskaWed, Mar 25, 7:17 AM HADT · 2381 days ago · 22 km deep · 67 km away
33. 2.548 km SE of Adak, AlaskaThu, Mar 26, 12:06 PM HADT · 2379 days ago · 37 km deep · 77 km away
34. 2.858 km SSE of Adak, AlaskaFri, Mar 27, 1:52 PM HADT · 2378 days ago · 35 km deep · 86 km away
35. 2.633 km S of Atka, AlaskaFri, Mar 27, 7:27 PM HADT · 2378 days ago · 84 km deep · 98 km away
36. 1.855 km ESE of Adak, AlaskaSat, Mar 28, 9:58 AM HADT · 2378 days ago · 37 km deep · 70 km away
37. 2.687 km SSW of Atka, AlaskaTue, Mar 31, 9:57 AM HADT · 2375 days ago · 32 km deep · 41 km away
38. 1.632 km WSW of Atka, AlaskaTue, Mar 31, 12:31 PM HADT · 2374 days ago · 75 km deep · 100 km away
39. 1.534 km ESE of Adak, AlaskaTue, Mar 31, 3:03 PM HADT · 2374 days ago · 72 km deep · 92 km away
40. 1.765 km SE of Adak, AlaskaTue, Mar 31, 7:25 PM HADT · 2374 days ago · 27 km deep · 68 km away
41. 1.731 km SW of Atka, AlaskaThu, Apr 2, 2:19 PM HADT · 2372 days ago · 68 km deep · 95 km away
42. 3.057 km SSW of Atka, AlaskaSat, Apr 4, 5:45 PM HADT · 2370 days ago · 69 km deep · 68 km away
43. 2.054 km SSE of Adak, AlaskaSun, Apr 5, 3:31 AM HADT · 2370 days ago · 25 km deep · 80 km away
44. 2.872 km SW of Atka, AlaskaSun, Apr 5, 5:14 AM HADT · 2370 days ago · 26 km deep · 55 km away
45. 1.564 km SE of Adak, AlaskaMon, Apr 6, 7:57 PM HADT · 2368 days ago · 23 km deep · 64 km away
46. 1.942 km WSW of Atka, AlaskaTue, Apr 7, 11:42 AM HADT · 2367 days ago · 13 km deep · 94 km away
47. 1.983 km E of Adak, AlaskaTue, Apr 7, 5:58 PM HADT · 2367 days ago · 83 km deep · 82 km away
48. 1.646 km SW of Atka, AlaskaTue, Apr 7, 6:00 PM HADT · 2367 days ago · 13 km deep · 85 km away
49. 2.677 km SE of Adak, AlaskaFri, Apr 10, 10:25 AM HADT · 2365 days ago · 34 km deep · 51 km away
50. 2.587 km SE of Adak, AlaskaFri, Apr 10, 11:47 PM HADT · 2364 days ago · 29 km deep · 39 km away
51. 2.652 km SSE of Adak, AlaskaSat, Apr 11, 2:36 AM HADT · 2364 days ago · 35 km deep · 82 km away
52. 2.891 km S of Atka, AlaskaSun, Apr 12, 10:48 PM HADT · 2362 days ago · 4 km deep · 78 km away
53. 1.642 km WSW of Atka, AlaskaMon, Apr 13, 1:41 AM HADT · 2362 days ago · 14 km deep · 92 km away
54. 1.842 km SSE of Adak, AlaskaMon, Apr 13, 2:00 PM HADT · 2361 days ago · 32 km deep · 91 km away
55. 3.092 km SW of Atka, AlaskaMon, Apr 13, 7:21 PM HADT · 2361 days ago · 35 km deep · 44 km away
56. 1.687 km SSW of Atka, AlaskaTue, Apr 14, 5:45 PM HADT · 2360 days ago · 26 km deep · 44 km away
57. 3.388 km SE of Adak, AlaskaWed, Apr 15, 10:49 AM HADT · 2359 days ago · 35 km deep · 41 km away
58. 3.7106 km SSW of Atka, AlaskaWed, Apr 15, 10:49 AM HADT · 2359 days ago · 35 km deep · 19 km away
59. 3.4123 km SSW of Atka, AlaskaWed, Apr 15, 11:33 AM HADT · 2359 days ago · 15 km deep · 16 km away
60. 2.7130 km SSW of Atka, AlaskaWed, Apr 15, 8:06 PM HADT · 2359 days ago · 18 km deep · 19 km away

The first 60 of 89.

Before

1. 2.0117 km SSW of Atka, AlaskaThu, Feb 27, 7:58 AM HAST · 2408 days ago · 13 km deep · 13 km away
2. 2.8139 km SSW of Atka, AlaskaThu, Feb 27, 7:52 AM HAST · 2408 days ago · 10 km deep · 19 km away
3. 2.0127 km SSW of Atka, AlaskaThu, Feb 27, 6:05 AM HAST · 2408 days ago · 21 km deep · 3 km away
4. 1.7125 km SSW of Atka, AlaskaThu, Feb 27, 5:32 AM HAST · 2408 days ago · 26 km deep · 1 km away
5. 1.8120 km SSW of Atka, AlaskaThu, Feb 27, 4:24 AM HAST · 2408 days ago · 10 km deep · 5 km away
6. 1.972 km ESE of Adak, AlaskaThu, Feb 27, 2:53 AM HAST · 2408 days ago · 26 km deep · 55 km away
7. 1.872 km SE of Adak, AlaskaWed, Feb 26, 10:14 AM HAST · 2408 days ago · 20 km deep · 54 km away
8. 1.848 km SE of Adak, AlaskaTue, Feb 25, 5:49 PM HAST · 2409 days ago · 27 km deep · 81 km away
9. 1.948 km SSE of Adak, AlaskaMon, Feb 24, 7:33 PM HAST · 2410 days ago · 43 km deep · 96 km away
10. 3.2173 km SSW of Atka, AlaskaMon, Feb 24, 2:31 PM HAST · 2410 days ago · 31 km deep · 69 km away
11. 2.869 km SSE of Adak, AlaskaSun, Feb 23, 12:28 AM HAST · 2412 days ago · 10 km deep · 81 km away
12. 3.253 km S of Atka, AlaskaSat, Feb 22, 2:32 PM HAST · 2412 days ago · 35 km deep · 86 km away
13. 1.663 km ESE of Adak, AlaskaSat, Feb 22, 4:46 AM HAST · 2413 days ago · 35 km deep · 62 km away
14. 1.564 km SE of Adak, AlaskaFri, Feb 21, 4:30 PM HAST · 2413 days ago · 26 km deep · 64 km away
15. 2.840 km SW of Atka, AlaskaFri, Feb 21, 2:59 PM HAST · 2413 days ago · 80 km deep · 85 km away
16. 2.665 km SE of Adak, AlaskaFri, Feb 21, 8:13 AM HAST · 2414 days ago · 35 km deep · 62 km away
17. 2.031 km S of Atka, AlaskaThu, Feb 20, 6:50 PM HAST · 2414 days ago · 61 km deep · 99 km away
18. 2.178 km SSW of Atka, AlaskaWed, Feb 19, 3:44 PM HAST · 2415 days ago · 26 km deep · 48 km away
19. 2.780 km SE of Adak, AlaskaWed, Feb 19, 1:50 AM HAST · 2416 days ago · 28 km deep · 52 km away
20. 1.786 km SW of Atka, AlaskaMon, Feb 17, 5:59 PM HAST · 2417 days ago · 26 km deep · 50 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak0202o7n6pn. Read Thu, Oct 1, 2026, 7:18 AM UTC.