M1.7 earthquake 26 km NE of Adak, Alaska

Magnitude

1.7 (ML, local (Richter)), micro

Magnitude from

AV

Local time

Sun, Apr 20, 2025, 2:01 AM HADT

UTC

2025-04-20 11:01:34 UTC

Depth

7.1 km (4.4 mi), shallow

Epicenter

52.030° N, 176.334° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 3.4 km horizontally, 3.5 km in depth

Magnitude uncertainty

±0.07

Depth from

From location

Station coverage gap

331°, poorly surrounded by stations

Stations used

4

After

1. 2.069 km NW of Adak, AlaskaSun, Apr 20, 6:33 AM HADT · 530 days ago · 14 km deep · 74 km away
2. 2.676 km ESE of Adak, AlaskaMon, Apr 21, 4:38 AM HADT · 529 days ago · 54 km deep · 66 km away
3. 2.550 km ENE of Adak, AlaskaMon, Apr 21, 7:11 PM HADT · 529 days ago · 135 km deep · 28 km away
4. 1.950 km SW of Adak, AlaskaMon, Apr 21, 7:16 PM HADT · 529 days ago · 22 km deep · 77 km away
5. 1.737 km SSE of Adak, AlaskaTue, Apr 22, 2:54 AM HADT · 528 days ago · 39 km deep · 51 km away
6. 2.060 km ESE of Adak, AlaskaTue, Apr 22, 9:32 AM HADT · 528 days ago · 44 km deep · 58 km away
7. 1.664 km SE of Adak, AlaskaTue, Apr 22, 10:16 AM HADT · 528 days ago · 24 km deep · 72 km away
8. 1.874 km SSW of Adak, AlaskaTue, Apr 22, 5:20 PM HADT · 528 days ago · 24 km deep · 99 km away
9. 2.137 km ESE of Adak, AlaskaTue, Apr 22, 7:05 PM HADT · 528 days ago · 66 km deep · 34 km away
10. 1.858 km SSW of Adak, AlaskaTue, Apr 22, 11:03 PM HADT · 527 days ago · 35 km deep · 84 km away
11. 1.664 km WSW of Adak, AlaskaWed, Apr 23, 2:35 AM HADT · 527 days ago · 19 km deep · 90 km away
12. 3.269 km SSW of Adak, AlaskaWed, Apr 23, 3:49 AM HADT · 527 days ago · 35 km deep · 95 km away
13. 3.814 km SSE of Adak, AlaskaWed, Apr 23, 4:09 AM HADT · 527 days ago · 77 km deep · 35 km away
14. 1.952 km SW of Adak, AlaskaWed, Apr 23, 8:38 AM HADT · 527 days ago · 46 km deep · 79 km away
15. 2.049 km SSE of Adak, AlaskaWed, Apr 23, 8:53 AM HADT · 527 days ago · 44 km deep · 59 km away
16. 2.147 km SW of Adak, AlaskaWed, Apr 23, 9:07 AM HADT · 527 days ago · 55 km deep · 73 km away
17. 2.558 km WSW of Adak, AlaskaWed, Apr 23, 12:18 PM HADT · 527 days ago · 9 km deep · 83 km away
18. 3.240 km ENE of Adak, AlaskaThu, Apr 24, 4:51 AM HADT · 526 days ago · 133 km deep · 19 km away
19. 2.987 km W of Atka, AlaskaThu, Apr 24, 12:46 PM HADT · 526 days ago · 226 km deep · 66 km away
20. 2.057 km WSW of Atka, AlaskaThu, Apr 24, 4:04 PM HADT · 526 days ago · 74 km deep · 95 km away
21. 2.366 km SSE of Adak, AlaskaThu, Apr 24, 4:26 PM HADT · 526 days ago · 24 km deep · 74 km away
22. 1.866 km SSE of Adak, AlaskaThu, Apr 24, 6:18 PM HADT · 526 days ago · 22 km deep · 80 km away
23. 1.958 km SSE of Adak, AlaskaThu, Apr 24, 6:22 PM HADT · 526 days ago · 19 km deep · 69 km away
24. 1.844 km WSW of Adak, AlaskaThu, Apr 24, 6:27 PM HADT · 526 days ago · 62 km deep · 71 km away
25. 2.371 km SSW of Adak, AlaskaThu, Apr 24, 8:20 PM HADT · 525 days ago · 26 km deep · 96 km away
26. 2.297 km SW of Atka, AlaskaThu, Apr 24, 9:22 PM HADT · 525 days ago · 26 km deep · 91 km away
27. 1.641 km SSW of Adak, AlaskaFri, Apr 25, 9:00 PM HADT · 524 days ago · 28 km deep · 68 km away
28. 1.962 km WSW of Adak, AlaskaSat, Apr 26, 12:47 PM HADT · 524 days ago · 20 km deep · 89 km away
29. 2.884 km SE of Adak, AlaskaSat, Apr 26, 5:34 PM HADT · 524 days ago · 35 km deep · 83 km away
30. 2.686 km E of Adak, AlaskaSat, Apr 26, 7:08 PM HADT · 524 days ago · 67 km deep · 70 km away
31. 1.750 km W of Atka, AlaskaSat, Apr 26, 7:45 PM HADT · 523 days ago · 18 km deep · 96 km away
32. 1.773 km S of Adak, AlaskaSun, Apr 27, 4:42 AM HADT · 523 days ago · 12 km deep · 93 km away
33. 2.648 km ENE of Adak, AlaskaSun, Apr 27, 8:56 PM HADT · 522 days ago · 126 km deep · 23 km away
34. 2.783 km SSE of Adak, AlaskaMon, Apr 28, 3:14 AM HADT · 522 days ago · 30 km deep · 95 km away
35. 2.656 km S of Adak, AlaskaMon, Apr 28, 4:39 AM HADT · 522 days ago · 35 km deep · 78 km away
36. 1.865 km ESE of Adak, AlaskaMon, Apr 28, 7:06 AM HADT · 522 days ago · 28 km deep · 63 km away
37. 2.857 km WSW of Atka, AlaskaMon, Apr 28, 3:24 PM HADT · 522 days ago · 70 km deep · 94 km away
38. 3.473 km NW of Adak, AlaskaTue, Apr 29, 2:34 AM HADT · 521 days ago · 239 km deep · 83 km away
39. 3.651 km SSE of Adak, AlaskaTue, Apr 29, 11:00 AM HADT · 521 days ago · 35 km deep · 67 km away
40. 2.846 km SSW of Adak, AlaskaTue, Apr 29, 11:05 PM HADT · 520 days ago · 32 km deep · 72 km away
41. 1.961 km WSW of Adak, AlaskaWed, Apr 30, 11:12 PM HADT · 519 days ago · 67 km deep · 87 km away
42. 1.863 km SSE of Adak, AlaskaThu, May 1, 4:16 AM HADT · 519 days ago · 26 km deep · 74 km away
43. 2.562 km SE of Adak, AlaskaThu, May 1, 8:37 AM HADT · 519 days ago · 35 km deep · 65 km away
44. 2.081 km SSE of Adak, AlaskaThu, May 1, 7:17 PM HADT · 519 days ago · 19 km deep · 95 km away
45. 2.141 km S of Adak, AlaskaFri, May 2, 3:43 AM HADT · 518 days ago · 32 km deep · 64 km away
46. 1.841 km SW of Adak, AlaskaFri, May 2, 6:24 PM HADT · 518 days ago · 50 km deep · 68 km away
47. 1.656 km WSW of Adak, AlaskaFri, May 2, 7:12 PM HADT · 518 days ago · 13 km deep · 82 km away
48. 2.157 km SSW of Adak, AlaskaSat, May 3, 5:38 PM HADT · 517 days ago · 46 km deep · 82 km away
49. 2.3100 km ESE of Adak, AlaskaSat, May 3, 10:00 PM HADT · 516 days ago · 26 km deep · 92 km away
50. 1.858 km SSW of Adak, AlaskaSun, May 4, 10:42 AM HADT · 516 days ago · 27 km deep · 84 km away
51. 3.453 km WSW of Atka, AlaskaSun, May 4, 5:29 PM HADT · 516 days ago · 82 km deep · 96 km away
52. 2.727 km E of Adak, AlaskaSun, May 4, 10:26 PM HADT · 515 days ago · 78 km deep · 19 km away
53. 4.471 km SSE of Adak, AlaskaSun, May 4, 11:51 PM HADT · 515 days ago · 30 km deep · 82 km away · felt by 1
54. 1.843 km SSE of Adak, AlaskaMon, May 5, 7:53 AM HADT · 515 days ago · 33 km deep · 55 km away
55. 2.617 km SSE of Adak, AlaskaMon, May 5, 12:09 PM HADT · 515 days ago · 69 km deep · 35 km away
56. 2.694 km ESE of Adak, AlaskaMon, May 5, 12:12 PM HADT · 515 days ago · 35 km deep · 88 km away
57. 3.167 km SE of Adak, AlaskaWed, May 7, 7:54 AM HADT · 513 days ago · 35 km deep · 73 km away
58. 1.958 km SE of Adak, AlaskaWed, May 7, 8:01 AM HADT · 513 days ago · 25 km deep · 66 km away
59. 1.672 km SW of Adak, AlaskaWed, May 7, 10:24 PM HADT · 512 days ago · 44 km deep · 99 km away
60. 1.819 km W of Adak, AlaskaThu, May 8, 3:24 AM HADT · 512 days ago · 9 km deep · 44 km away

The first 60 of at least 199.

Before

1. 1.857 km SW of Adak, AlaskaSat, Apr 19, 11:12 PM HADT · 530 days ago · 12 km deep · 84 km away
2. 1.720 km W of Adak, AlaskaSat, Apr 19, 7:36 PM HADT · 530 days ago · 7 km deep · 44 km away
3. 1.921 km SSW of Adak, AlaskaSat, Apr 19, 5:49 PM HADT · 531 days ago · 68 km deep · 46 km away
4. 2.549 km S of Adak, AlaskaFri, Apr 18, 5:52 PM HADT · 532 days ago · 35 km deep · 68 km away
5. 2.269 km WSW of Adak, AlaskaFri, Apr 18, 3:52 PM HADT · 532 days ago · 64 km deep · 96 km away
6. 2.967 km W of Atka, AlaskaFri, Apr 18, 11:12 AM HADT · 532 days ago · 201 km deep · 82 km away
7. 2.071 km SSE of Adak, AlaskaThu, Apr 17, 8:25 PM HADT · 532 days ago · 27 km deep · 80 km away
8. 1.68 km SSE of Adak, AlaskaThu, Apr 17, 3:29 AM HADT · 533 days ago · 14 km deep · 29 km away
9. 2.584 km ESE of Adak, AlaskaThu, Apr 17, 2:44 AM HADT · 533 days ago · 35 km deep · 81 km away
10. 1.955 km SE of Adak, AlaskaWed, Apr 16, 7:56 PM HADT · 533 days ago · 28 km deep · 61 km away
11. 3.282 km SSE of Adak, AlaskaWed, Apr 16, 10:31 AM HADT · 534 days ago · 18 km deep · 97 km away
12. 2.682 km WSW of Atka, AlaskaWed, Apr 16, 7:21 AM HADT · 534 days ago · 81 km deep · 72 km away
13. 2.055 km SSW of Adak, AlaskaTue, Apr 15, 10:53 PM HADT · 534 days ago · 38 km deep · 82 km away
14. 2.735 km E of Adak, AlaskaTue, Apr 15, 1:35 PM HADT · 535 days ago · 129 km deep · 18 km away
15. 1.831 km S of Adak, AlaskaTue, Apr 15, 12:11 PM HADT · 535 days ago · 48 km deep · 51 km away
16. 2.176 km ENE of Adak, AlaskaTue, Apr 15, 4:47 AM HADT · 535 days ago · 157 km deep · 54 km away
17. 1.884 km SSE of Adak, AlaskaTue, Apr 15, 2:13 AM HADT · 535 days ago · 18 km deep · 98 km away
18. 1.935 km WNW of Adak, AlaskaMon, Apr 14, 10:58 PM HADT · 535 days ago · 112 km deep · 54 km away
19. 2.013 km SE of Adak, AlaskaMon, Apr 14, 9:28 PM HADT · 535 days ago · 72 km deep · 27 km away
20. 3.26 km ENE of Adak, AlaskaMon, Apr 14, 9:22 PM HADT · 535 days ago · 77 km deep · 21 km away

From the USGS Earthquake Hazards Program and its partner networks, event av93581341. Read Fri, Oct 2, 2026, 3:54 PM UTC.