M1.8 earthquake 40 km SSW of Atka, Alaska

Magnitude

1.8 (ml), micro

Local time

Sun, Feb 16, 2020, 10:24 PM HAST

UTC

2020-02-17 08:24:19 UTC

Depth

65.5 km (40.7 mi), shallow

Epicenter

51.886° N, 174.497° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

15

After

1. 2.0103 km SW of Atka, AlaskaMon, Feb 17, 3:01 PM HAST · 2417 days ago · 5 km deep · 64 km away
2. 1.786 km SW of Atka, AlaskaMon, Feb 17, 5:59 PM HAST · 2416 days ago · 26 km deep · 50 km away
3. 2.178 km SSW of Atka, AlaskaWed, Feb 19, 3:44 PM HAST · 2414 days ago · 26 km deep · 39 km away
4. 2.031 km S of Atka, AlaskaThu, Feb 20, 6:50 PM HAST · 2413 days ago · 61 km deep · 19 km away
5. 2.369 km E of Atka, AlaskaThu, Feb 20, 11:01 PM HAST · 2413 days ago · 100 km deep · 99 km away
6. 2.840 km SW of Atka, AlaskaFri, Feb 21, 2:59 PM HAST · 2413 days ago · 80 km deep · 3 km away
7. 1.663 km ESE of Adak, AlaskaSat, Feb 22, 4:46 AM HAST · 2412 days ago · 35 km deep · 98 km away
8. 3.253 km S of Atka, AlaskaSat, Feb 22, 2:32 PM HAST · 2412 days ago · 35 km deep · 29 km away
9. 3.571 km E of Atka, AlaskaSat, Feb 22, 10:30 PM HAST · 2411 days ago · 10 km deep · 97 km away
10. 1.972 km ESE of Adak, AlaskaThu, Feb 27, 2:53 AM HAST · 2407 days ago · 26 km deep · 89 km away
11. 1.8120 km SSW of Atka, AlaskaThu, Feb 27, 4:24 AM HAST · 2407 days ago · 10 km deep · 80 km away
12. 1.7125 km SSW of Atka, AlaskaThu, Feb 27, 5:32 AM HAST · 2407 days ago · 26 km deep · 86 km away
13. 2.0127 km SSW of Atka, AlaskaThu, Feb 27, 6:05 AM HAST · 2407 days ago · 21 km deep · 87 km away
14. 2.8139 km SSW of Atka, AlaskaThu, Feb 27, 7:52 AM HAST · 2407 days ago · 10 km deep · 99 km away
15. 2.0117 km SSW of Atka, AlaskaThu, Feb 27, 7:58 AM HAST · 2407 days ago · 13 km deep · 78 km away
16. 1.8125 km SSW of Atka, AlaskaThu, Feb 27, 7:59 AM HAST · 2407 days ago · 15 km deep · 85 km away
17. 1.718 km SW of Atka, AlaskaThu, Feb 27, 8:55 AM HAST · 2407 days ago · 71 km deep · 23 km away
18. 2.946 km W of Atka, AlaskaFri, Feb 28, 1:49 AM HAST · 2406 days ago · 110 km deep · 46 km away
19. 2.842 km SSE of Atka, AlaskaFri, Feb 28, 8:58 PM HAST · 2405 days ago · 59 km deep · 43 km away
20. 2.959 km SSW of Atka, AlaskaSun, Mar 1, 1:56 AM HAST · 2404 days ago · 28 km deep · 21 km away
21. 1.561 km ESE of Adak, AlaskaSun, Mar 1, 8:40 PM HAST · 2403 days ago · 30 km deep · 100 km away
22. 2.496 km SSE of Atka, AlaskaMon, Mar 2, 10:03 PM HAST · 2402 days ago · 25 km deep · 82 km away
23. 2.798 km SW of Atka, AlaskaFri, Mar 6, 1:32 PM HAST · 2399 days ago · 35 km deep · 61 km away
24. 1.9126 km SSW of Atka, AlaskaSat, Mar 7, 5:56 AM HAST · 2398 days ago · 25 km deep · 86 km away
25. 1.851 km SW of Atka, AlaskaSat, Mar 7, 2:52 PM HAST · 2398 days ago · 63 km deep · 16 km away
26. 3.089 km SSW of Atka, AlaskaSun, Mar 8, 8:37 AM HADT · 2397 days ago · 42 km deep · 50 km away
27. 1.784 km SE of Adak, AlaskaMon, Mar 9, 3:36 PM HADT · 2396 days ago · 26 km deep · 91 km away
28. 2.837 km W of Atka, AlaskaTue, Mar 10, 1:09 PM HADT · 2395 days ago · 85 km deep · 35 km away
29. 2.965 km ESE of Adak, AlaskaThu, Mar 12, 3:33 PM HADT · 2393 days ago · 35 km deep · 98 km away
30. 3.367 km E of Atka, AlaskaFri, Mar 13, 3:26 PM HADT · 2392 days ago · 195 km deep · 90 km away
31. 1.924 km WNW of Atka, AlaskaFri, Mar 13, 7:30 PM HADT · 2391 days ago · 76 km deep · 43 km away
32. 2.074 km E of Adak, AlaskaSat, Mar 14, 9:58 AM HADT · 2391 days ago · 88 km deep · 75 km away
33. 2.6108 km SE of Adak, AlaskaSun, Mar 15, 4:22 PM HADT · 2390 days ago · 28 km deep · 89 km away
34. 3.023 km WSW of Atka, AlaskaMon, Mar 16, 11:09 AM HADT · 2389 days ago · 184 km deep · 24 km away
35. 2.845 km W of Atka, AlaskaMon, Mar 16, 5:37 PM HADT · 2388 days ago · 247 km deep · 43 km away
36. 1.718 km ESE of Atka, AlaskaMon, Mar 16, 9:13 PM HADT · 2388 days ago · 73 km deep · 47 km away
37. 1.995 km ESE of Adak, AlaskaThu, Mar 19, 8:07 PM HADT · 2385 days ago · 30 km deep · 66 km away
38. 3.591 km SW of Atka, AlaskaFri, Mar 20, 2:44 AM HADT · 2385 days ago · 35 km deep · 54 km away
39. 1.811 km N of Atka, AlaskaFri, Mar 20, 6:20 PM HADT · 2384 days ago · 4 km deep · 50 km away
40. 3.038 km NNW of Atka, AlaskaSat, Mar 21, 12:10 AM HADT · 2384 days ago · 227 km deep · 70 km away
41. 2.976 km SSE of Atka, AlaskaMon, Mar 23, 6:25 PM HADT · 2381 days ago · 35 km deep · 69 km away
42. 2.9109 km SW of Atka, AlaskaMon, Mar 23, 8:58 PM HADT · 2381 days ago · 14 km deep · 70 km away
43. 4.8117 km SSW of Atka, AlaskaMon, Mar 23, 10:11 PM HADT · 2381 days ago · 20 km deep · 77 km away
44. 2.245 km NNW of Atka, AlaskaWed, Mar 25, 2:11 PM HADT · 2380 days ago · 190 km deep · 76 km away
45. 1.936 km SSE of Atka, AlaskaThu, Mar 26, 8:27 PM HADT · 2378 days ago · 7 km deep · 37 km away
46. 2.633 km S of Atka, AlaskaFri, Mar 27, 7:27 PM HADT · 2377 days ago · 84 km deep · 19 km away
47. 4.253 km NNW of Atka, AlaskaSat, Mar 28, 1:34 AM HADT · 2377 days ago · 203 km deep · 87 km away
48. 2.122 km N of Atka, AlaskaSat, Mar 28, 5:05 AM HADT · 2377 days ago · 162 km deep · 61 km away
49. 2.322 km NNW of Atka, AlaskaSun, Mar 29, 1:22 PM HADT · 2376 days ago · 98 km deep · 54 km away
50. 2.687 km SSW of Atka, AlaskaTue, Mar 31, 9:57 AM HADT · 2374 days ago · 32 km deep · 48 km away
51. 1.632 km WSW of Atka, AlaskaTue, Mar 31, 12:31 PM HADT · 2374 days ago · 75 km deep · 23 km away
52. 3.766 km SE of Atka, AlaskaTue, Mar 31, 1:33 PM HADT · 2374 days ago · 36 km deep · 67 km away
53. 3.824 km SE of Atka, AlaskaWed, Apr 1, 10:05 PM HADT · 2372 days ago · 191 km deep · 37 km away
54. 1.731 km SW of Atka, AlaskaThu, Apr 2, 2:19 PM HADT · 2372 days ago · 68 km deep · 12 km away
55. 3.057 km SSW of Atka, AlaskaSat, Apr 4, 5:45 PM HADT · 2369 days ago · 69 km deep · 18 km away
56. 2.872 km SW of Atka, AlaskaSun, Apr 5, 5:14 AM HADT · 2369 days ago · 26 km deep · 33 km away
57. 2.832 km ESE of Atka, AlaskaSun, Apr 5, 6:34 AM HADT · 2369 days ago · 189 km deep · 59 km away
58. 3.130 km W of Atka, AlaskaMon, Apr 6, 12:34 AM HADT · 2368 days ago · 218 km deep · 32 km away
59. 2.973 km SE of Atka, AlaskaTue, Apr 7, 1:50 AM HADT · 2367 days ago · 35 km deep · 82 km away
60. 1.942 km WSW of Atka, AlaskaTue, Apr 7, 11:42 AM HADT · 2367 days ago · 13 km deep · 26 km away

The first 60 of 79.

Before

1. 2.593 km SW of Atka, AlaskaSun, Feb 16, 5:50 PM HAST · 2417 days ago · 31 km deep · 55 km away
2. 2.5131 km SSW of Atka, AlaskaSun, Feb 16, 5:53 AM HAST · 2418 days ago · 10 km deep · 92 km away
3. 2.422 km ESE of Atka, AlaskaSat, Feb 15, 9:38 PM HAST · 2418 days ago · 170 km deep · 51 km away
4. 1.8123 km SSW of Atka, AlaskaSat, Feb 15, 8:12 PM HAST · 2418 days ago · 26 km deep · 84 km away
5. 2.666 km SSW of Atka, AlaskaSat, Feb 15, 12:56 PM HAST · 2419 days ago · 69 km deep · 27 km away
6. 2.5125 km SSW of Atka, AlaskaFri, Feb 14, 3:46 AM HAST · 2420 days ago · 10 km deep · 86 km away
7. 3.8127 km SSW of Atka, AlaskaFri, Feb 14, 1:59 AM HAST · 2420 days ago · 10 km deep · 87 km away
8. 3.3120 km SSW of Atka, AlaskaFri, Feb 14, 1:18 AM HAST · 2420 days ago · 16 km deep · 81 km away
9. 2.8125 km SSW of Atka, AlaskaThu, Feb 13, 11:57 PM HAST · 2420 days ago · 15 km deep · 85 km away
10. 2.8Andreanof Islands, Aleutian Islands, AlaskaThu, Feb 13, 7:31 PM HAST · 2420 days ago · 25 km deep · 92 km away
11. 2.7126 km SSW of Atka, AlaskaThu, Feb 13, 7:23 PM HAST · 2420 days ago · 15 km deep · 87 km away
12. 2.8129 km SSW of Atka, AlaskaThu, Feb 13, 4:51 PM HAST · 2420 days ago · 10 km deep · 90 km away
13. 2.338 km ESE of Atka, AlaskaThu, Feb 13, 4:17 PM HAST · 2420 days ago · 6 km deep · 58 km away
14. 2.335 km ESE of Atka, AlaskaThu, Feb 13, 4:09 PM HAST · 2420 days ago · 6 km deep · 54 km away
15. 3.1130 km SSW of Atka, AlaskaThu, Feb 13, 4:00 PM HAST · 2420 days ago · 10 km deep · 91 km away
16. 3.1132 km SSW of Atka, AlaskaThu, Feb 13, 3:18 PM HAST · 2421 days ago · 10 km deep · 93 km away
17. 2.6128 km SSW of Atka, AlaskaThu, Feb 13, 3:13 PM HAST · 2421 days ago · 10 km deep · 89 km away
18. 2.7131 km SSW of Atka, AlaskaThu, Feb 13, 2:55 PM HAST · 2421 days ago · 11 km deep · 92 km away
19. 3.1133 km SSW of Atka, AlaskaThu, Feb 13, 12:42 PM HAST · 2421 days ago · 10 km deep · 94 km away
20. 3.4125 km SSW of Atka, AlaskaThu, Feb 13, 11:15 AM HAST · 2421 days ago · 10 km deep · 86 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak02027ipb9e. Read Wed, Sep 30, 2026, 1:03 PM UTC.