M1.6 earthquake 144 km WSW of Adak, Alaska

Magnitude

1.6 (ml), micro

Local time

Thu, Apr 23, 2020, 1:39 PM HADT

UTC

2020-04-23 22:39:40 UTC

Depth

7.4 km (4.6 mi), shallow

Epicenter

51.487° N, 178.630° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

28

After

1. 1.556 km WSW of Adak, AlaskaThu, Apr 23, 1:51 PM HADT · 2351 days ago · 66 km deep · 88 km away
2. 2.2240 km WSW of Adak, AlaskaSat, Apr 25, 12:05 AM GMT-12 · 2349 days ago · 12 km deep · 96 km away
3. 1.6133 km SW of Adak, AlaskaSat, Apr 25, 6:21 AM HADT · 2349 days ago · 21 km deep · 59 km away
4. 1.9153 km WSW of Adak, AlaskaSat, Apr 25, 3:12 PM HADT · 2349 days ago · 20 km deep · 10 km away
5. 1.9194 km W of Adak, AlaskaSat, Apr 25, 4:15 PM HADT · 2349 days ago · 87 km deep · 63 km away
6. 3.4221 km WSW of Adak, AlaskaSat, Apr 25, 5:18 PM HADT · 2349 days ago · 10 km deep · 87 km away
7. 1.661 km SW of Adak, AlaskaSat, Apr 25, 8:10 PM HADT · 2349 days ago · 53 km deep · 90 km away
8. 1.885 km W of Adak, AlaskaSun, Apr 26, 3:26 AM HADT · 2348 days ago · 7 km deep · 67 km away
9. 1.5130 km WSW of Adak, AlaskaSun, Apr 26, 1:43 PM HADT · 2348 days ago · 13 km deep · 14 km away
10. 1.682 km W of Adak, AlaskaMon, Apr 27, 5:34 AM HADT · 2347 days ago · 5 km deep · 67 km away
11. 1.6101 km WSW of Adak, AlaskaMon, Apr 27, 8:02 PM HADT · 2347 days ago · 26 km deep · 46 km away
12. 2.9241 km WSW of Adak, AlaskaTue, Apr 28, 6:41 PM GMT-12 · 2346 days ago · 53 km deep · 97 km away
13. 1.780 km WSW of Adak, AlaskaWed, Apr 29, 12:50 AM HADT · 2345 days ago · 66 km deep · 64 km away
14. 1.9142 km WSW of Adak, AlaskaWed, Apr 29, 12:38 PM HADT · 2345 days ago · 23 km deep · 33 km away
15. 3.177 km W of Adak, AlaskaWed, Apr 29, 5:08 PM HADT · 2345 days ago · 10 km deep · 73 km away
16. 2.9183 km WSW of Adak, AlaskaWed, Apr 29, 6:55 PM HADT · 2345 days ago · 80 km deep · 43 km away
17. 2.8239 km WSW of Adak, AlaskaWed, Apr 29, 4:36 PM GMT-12 · 2345 days ago · 35 km deep · 96 km away
18. 2.0233 km WSW of Adak, AlaskaWed, Apr 29, 8:10 PM HADT · 2345 days ago · 13 km deep · 89 km away
19. 2.3124 km WSW of Adak, AlaskaThu, Apr 30, 12:12 PM HADT · 2344 days ago · 33 km deep · 26 km away
20. 1.7195 km W of Adak, AlaskaThu, Apr 30, 7:51 PM HADT · 2344 days ago · 13 km deep · 69 km away
21. 3.1132 km WSW of Adak, AlaskaThu, Apr 30, 10:16 PM HADT · 2344 days ago · 10 km deep · 14 km away
22. 1.678 km W of Adak, AlaskaFri, May 1, 12:23 AM HADT · 2343 days ago · 11 km deep · 70 km away
23. 2.879 km W of Adak, AlaskaFri, May 1, 3:35 PM HADT · 2343 days ago · 10 km deep · 69 km away
24. 1.986 km W of Adak, AlaskaSat, May 2, 5:49 AM HADT · 2342 days ago · 8 km deep · 65 km away
25. 1.6166 km W of Adak, AlaskaSat, May 2, 7:24 AM HADT · 2342 days ago · 9 km deep · 38 km away
26. 2.9134 km WSW of Adak, AlaskaSun, May 3, 9:40 AM HADT · 2341 days ago · 70 km deep · 10 km away
27. 1.9206 km W of Adak, AlaskaSun, May 3, 2:13 PM HADT · 2341 days ago · 85 km deep · 72 km away
28. 2.1109 km WSW of Adak, AlaskaMon, May 4, 6:31 AM HADT · 2340 days ago · 39 km deep · 45 km away
29. 1.866 km W of Adak, AlaskaTue, May 5, 1:10 AM HADT · 2339 days ago · 89 km deep · 80 km away
30. 1.8134 km WSW of Adak, AlaskaTue, May 5, 10:38 AM HADT · 2339 days ago · 29 km deep · 32 km away
31. 2.6218 km W of Adak, AlaskaWed, May 6, 5:46 PM HADT · 2338 days ago · 76 km deep · 82 km away
32. 2.6195 km WSW of Adak, AlaskaWed, May 6, 9:21 PM HADT · 2338 days ago · 17 km deep · 52 km away
33. 1.5135 km SW of Adak, AlaskaWed, May 6, 10:27 PM HADT · 2337 days ago · 22 km deep · 47 km away
34. 1.5125 km WSW of Adak, AlaskaWed, May 6, 11:59 PM HADT · 2337 days ago · 7 km deep · 20 km away
35. 1.585 km W of Adak, AlaskaThu, May 7, 3:37 AM HADT · 2337 days ago · 8 km deep · 67 km away
36. 2.7135 km SW of Adak, AlaskaThu, May 7, 9:00 AM HADT · 2337 days ago · 10 km deep · 84 km away
37. 4.3211 km W of Adak, AlaskaMon, May 11, 1:53 PM HADT · 2333 days ago · 96 km deep · 79 km away
38. 1.992 km SW of Adak, AlaskaTue, May 12, 7:24 AM HADT · 2332 days ago · 26 km deep · 86 km away
39. 2.750 km WSW of Adak, AlaskaTue, May 12, 1:12 PM HADT · 2332 days ago · 77 km deep · 94 km away
40. 1.678 km W of Adak, AlaskaTue, May 12, 3:40 PM HADT · 2332 days ago · 7 km deep · 71 km away
41. 1.779 km W of Adak, AlaskaTue, May 12, 4:52 PM HADT · 2332 days ago · 2 km deep · 71 km away
42. 1.982 km W of Adak, AlaskaTue, May 12, 4:52 PM HADT · 2332 days ago · 6 km deep · 68 km away
43. 2.7177 km WSW of Adak, AlaskaTue, May 12, 6:19 PM HADT · 2332 days ago · 35 km deep · 35 km away
44. 1.783 km W of Adak, AlaskaWed, May 13, 6:44 PM HADT · 2331 days ago · 6 km deep · 68 km away
45. 1.859 km WSW of Adak, AlaskaThu, May 14, 6:04 AM HADT · 2330 days ago · 13 km deep · 88 km away
46. 1.8229 km W of Adak, AlaskaThu, May 14, 12:55 PM HADT · 2330 days ago · 92 km deep · 94 km away
47. 1.6142 km WSW of Adak, AlaskaThu, May 14, 3:06 PM HADT · 2330 days ago · 24 km deep · 29 km away
48. 1.9215 km WSW of Adak, AlaskaThu, May 14, 7:17 PM HADT · 2330 days ago · 26 km deep · 73 km away
49. 1.8225 km WSW of Adak, AlaskaFri, May 15, 10:53 AM HADT · 2329 days ago · 12 km deep · 81 km away
50. 1.8120 km WSW of Adak, AlaskaFri, May 15, 10:12 PM HADT · 2329 days ago · 14 km deep · 28 km away
51. 2.0200 km WSW of Adak, AlaskaSat, May 16, 9:47 PM HADT · 2328 days ago · 13 km deep · 55 km away
52. 1.7148 km WSW of Adak, AlaskaSun, May 17, 5:36 AM HADT · 2327 days ago · 12 km deep · 4 km away
53. 3.1122 km WSW of Adak, AlaskaSun, May 17, 3:40 PM HADT · 2327 days ago · 25 km deep · 30 km away
54. 2.698 km SW of Adak, AlaskaSun, May 17, 6:51 PM HADT · 2327 days ago · 35 km deep · 76 km away
55. 3.2238 km WSW of Adak, AlaskaTue, May 19, 12:14 AM GMT+12 · 2326 days ago · 68 km deep · 96 km away
56. 2.3223 km W of Adak, AlaskaMon, May 18, 7:49 AM HADT · 2326 days ago · 84 km deep · 92 km away
57. 2.0128 km SW of Adak, AlaskaMon, May 18, 11:45 AM HADT · 2326 days ago · 26 km deep · 48 km away
58. 2.1118 km WSW of Adak, AlaskaMon, May 18, 12:24 PM HADT · 2326 days ago · 9 km deep · 26 km away
59. 2.1192 km WSW of Adak, AlaskaMon, May 18, 6:42 PM HADT · 2326 days ago · 26 km deep · 52 km away
60. 2.768 km SW of Adak, AlaskaMon, May 18, 8:20 PM HADT · 2326 days ago · 41 km deep · 97 km away

The first 60 of 185.

Before

1. 1.7195 km WSW of Adak, AlaskaThu, Apr 23, 11:13 AM HADT · 2351 days ago · 23 km deep · 51 km away
2. 1.6192 km WSW of Adak, AlaskaThu, Apr 23, 10:52 AM HADT · 2351 days ago · 20 km deep · 48 km away
3. 1.981 km W of Adak, AlaskaThu, Apr 23, 10:04 AM HADT · 2351 days ago · 5 km deep · 70 km away
4. 2.8227 km WSW of Adak, AlaskaThu, Apr 23, 8:43 AM HADT · 2351 days ago · 35 km deep · 83 km away
5. 1.7150 km WSW of Adak, AlaskaWed, Apr 22, 10:47 PM HADT · 2351 days ago · 26 km deep · 27 km away
6. 1.6219 km WSW of Adak, AlaskaWed, Apr 22, 6:49 AM HADT · 2352 days ago · 13 km deep · 76 km away
7. 2.080 km W of Adak, AlaskaWed, Apr 22, 4:09 AM HADT · 2352 days ago · 10 km deep · 70 km away
8. 3.0239 km WSW of Adak, AlaskaTue, Apr 21, 4:08 PM GMT-12 · 2353 days ago · 10 km deep · 98 km away
9. 2.5158 km WSW of Adak, AlaskaTue, Apr 21, 1:42 PM HADT · 2353 days ago · 10 km deep · 17 km away
10. 1.674 km WSW of Adak, AlaskaMon, Apr 20, 4:35 AM HADT · 2354 days ago · 59 km deep · 73 km away
11. 1.698 km WSW of Adak, AlaskaSun, Apr 19, 10:00 PM HADT · 2355 days ago · 23 km deep · 50 km away
12. 1.6175 km WSW of Adak, AlaskaSun, Apr 19, 6:15 PM HADT · 2355 days ago · 26 km deep · 31 km away
13. 2.5211 km WSW of Adak, AlaskaSun, Apr 19, 10:04 AM HADT · 2355 days ago · 25 km deep · 68 km away
14. 1.773 km WSW of Adak, AlaskaSat, Apr 18, 8:22 PM HADT · 2356 days ago · 79 km deep · 71 km away
15. 2.7122 km WSW of Adak, AlaskaSat, Apr 18, 10:32 AM HADT · 2356 days ago · 35 km deep · 36 km away
16. 2.6220 km WSW of Adak, AlaskaFri, Apr 17, 1:36 PM HADT · 2357 days ago · 10 km deep · 82 km away
17. 1.9198 km WSW of Adak, AlaskaThu, Apr 16, 2:17 PM HADT · 2358 days ago · 74 km deep · 58 km away
18. 3.897 km SW of Adak, AlaskaThu, Apr 16, 9:04 AM HADT · 2358 days ago · 35 km deep · 71 km away
19. 2.573 km SW of Adak, AlaskaWed, Apr 15, 8:52 PM HADT · 2359 days ago · 37 km deep · 82 km away
20. 1.689 km WSW of Adak, AlaskaWed, Apr 15, 5:47 AM HADT · 2359 days ago · 57 km deep · 62 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak02058wlj5p. Read Wed, Sep 30, 2026, 6:56 PM UTC.