M1.8 earthquake 22 km SSE of Atka, Alaska

Magnitude

1.8 (ML, local (Richter)), micro

Magnitude from

AV

Local time

Tue, Mar 25, 2025, 1:43 AM HADT

UTC

2025-03-25 10:43:11 UTC

Depth

14.5 km (9.0 mi), shallow

Epicenter

52.015° N, 174.065° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 1.4 km horizontally, 0.4 km in depth

Magnitude uncertainty

±0.21

Depth from

From location

Station coverage gap

341°, poorly surrounded by stations

Stations used

7

After

1. 3.177 km SSE of Atka, AlaskaTue, Mar 25, 12:28 PM HADT · 555 days ago · 35 km deep · 55 km away
2. 2.748 km WSW of Atka, AlaskaWed, Mar 26, 12:44 AM HADT · 555 days ago · 10 km deep · 54 km away
3. 1.894 km SW of Atka, AlaskaWed, Mar 26, 1:02 AM HADT · 555 days ago · 13 km deep · 90 km away
4. 2.281 km WSW of Atka, AlaskaWed, Mar 26, 10:44 AM HADT · 554 days ago · 86 km deep · 87 km away
5. 1.826 km S of Atka, AlaskaWed, Mar 26, 5:32 PM HADT · 554 days ago · 64 km deep · 13 km away
6. 1.980 km SSE of Atka, AlaskaThu, Mar 27, 12:48 AM HADT · 554 days ago · 17 km deep · 58 km away
7. 2.199 km ESE of Atka, AlaskaThu, Mar 27, 6:38 AM HADT · 554 days ago · 40 km deep · 86 km away
8. 3.474 km SSW of Atka, AlaskaThu, Mar 27, 11:56 PM HADT · 553 days ago · 35 km deep · 64 km away
9. 3.135 km NNW of Atka, AlaskaFri, Mar 28, 2:29 AM HADT · 553 days ago · 179 km deep · 58 km away
10. 4.922 km NNW of Atka, AlaskaFri, Mar 28, 7:08 AM HADT · 553 days ago · 123 km deep · 45 km away
11. 2.916 km ENE of Atka, AlaskaFri, Mar 28, 11:43 AM HADT · 552 days ago · 140 km deep · 27 km away
12. 2.1119 km SE of Atka, AlaskaFri, Mar 28, 11:58 PM HADT · 552 days ago · 1 km deep · 98 km away
13. 1.893 km ESE of Adak, AlaskaSat, Mar 29, 4:00 AM HADT · 552 days ago · 58 km deep · 99 km away
14. 1.975 km SSE of Atka, AlaskaSat, Mar 29, 4:33 AM HADT · 552 days ago · 37 km deep · 53 km away
15. 1.933 km SSE of Atka, AlaskaSat, Mar 29, 7:56 PM HADT · 551 days ago · 28 km deep · 11 km away
16. 2.286 km E of Adak, AlaskaSat, Mar 29, 11:29 PM HADT · 551 days ago · 65 km deep · 94 km away
17. 2.597 km ESE of Adak, AlaskaSun, Mar 30, 2:25 AM HADT · 551 days ago · 35 km deep · 97 km away
18. 1.644 km S of Atka, AlaskaMon, Mar 31, 1:16 PM HADT · 549 days ago · 65 km deep · 29 km away
19. 2.739 km NNW of Atka, AlaskaMon, Mar 31, 9:09 PM HADT · 549 days ago · 182 km deep · 61 km away
20. 2.821 km E of Atka, AlaskaMon, Mar 31, 11:04 PM HADT · 549 days ago · 177 km deep · 26 km away
21. 3.081 km SE of Atka, AlaskaTue, Apr 1, 12:48 AM HADT · 549 days ago · 35 km deep · 61 km away
22. 3.275 km W of Atka, AlaskaTue, Apr 1, 8:49 AM HADT · 548 days ago · 109 km deep · 86 km away
23. 3.789 km SE of Atka, AlaskaWed, Apr 2, 4:11 AM HADT · 548 days ago · 34 km deep · 69 km away
24. 2.065 km SW of Atka, AlaskaThu, Apr 3, 5:38 PM HADT · 546 days ago · 40 km deep · 63 km away
25. 3.281 km E of Adak, AlaskaFri, Apr 4, 9:33 PM HADT · 545 days ago · 78 km deep · 96 km away
26. 2.948 km SW of Atka, AlaskaSat, Apr 5, 1:33 AM HADT · 545 days ago · 48 km deep · 42 km away
27. 2.076 km SW of Atka, AlaskaSat, Apr 5, 8:17 PM HADT · 544 days ago · 39 km deep · 71 km away
28. 1.942 km W of Atka, AlaskaSun, Apr 6, 7:51 AM HADT · 544 days ago · 82 km deep · 54 km away
29. 2.172 km WSW of Atka, AlaskaSun, Apr 6, 10:37 AM HADT · 543 days ago · 73 km deep · 78 km away
30. 2.179 km WSW of Atka, AlaskaSun, Apr 6, 9:15 PM HADT · 543 days ago · 47 km deep · 80 km away
31. 2.081 km S of Atka, AlaskaSun, Apr 6, 10:51 PM HADT · 543 days ago · 20 km deep · 63 km away
32. 1.791 km SW of Atka, AlaskaMon, Apr 7, 7:25 AM HADT · 543 days ago · 25 km deep · 88 km away
33. 3.165 km ESE of Atka, AlaskaMon, Apr 7, 8:41 AM HADT · 542 days ago · 34 km deep · 51 km away
34. 1.980 km SSE of Atka, AlaskaMon, Apr 7, 11:36 AM HADT · 542 days ago · 26 km deep · 58 km away
35. 3.059 km ESE of Atka, AlaskaMon, Apr 7, 2:02 PM HADT · 542 days ago · 65 km deep · 47 km away
36. 2.735 km NW of Atka, AlaskaTue, Apr 8, 6:46 AM HADT · 542 days ago · 131 km deep · 58 km away
37. 2.354 km ENE of Atka, AlaskaTue, Apr 8, 10:30 PM HADT · 541 days ago · 88 km deep · 54 km away
38. 2.013 km WSW of Atka, AlaskaWed, Apr 9, 11:47 AM HADT · 540 days ago · 5 km deep · 26 km away
39. 1.912 km WSW of Atka, AlaskaWed, Apr 9, 11:49 AM HADT · 540 days ago · 8 km deep · 25 km away
40. 1.786 km WSW of Atka, AlaskaWed, Apr 9, 9:08 PM HADT · 540 days ago · 83 km deep · 89 km away
41. 3.694 km SW of Atka, AlaskaThu, Apr 10, 3:09 AM HADT · 540 days ago · 35 km deep · 91 km away
42. 2.229 km WNW of Atka, AlaskaThu, Apr 10, 8:10 AM HADT · 540 days ago · 170 km deep · 48 km away
43. 1.896 km S of Atka, AlaskaThu, Apr 10, 1:26 PM HADT · 539 days ago · 2 km deep · 78 km away
44. 1.941 km ESE of Atka, AlaskaThu, Apr 10, 2:13 PM HADT · 539 days ago · 63 km deep · 29 km away
45. 1.929 km SE of Atka, AlaskaThu, Apr 10, 9:45 PM HADT · 539 days ago · 67 km deep · 8 km away
46. 2.581 km SSE of Atka, AlaskaFri, Apr 11, 2:11 AM HADT · 539 days ago · 10 km deep · 60 km away
47. 2.150 km S of Atka, AlaskaFri, Apr 11, 8:12 AM HADT · 539 days ago · 2 km deep · 30 km away
48. 2.875 km WNW of Atka, AlaskaFri, Apr 11, 11:24 AM HADT · 538 days ago · 159 km deep · 92 km away
49. 3.296 km SE of Atka, AlaskaSat, Apr 12, 1:49 AM HADT · 538 days ago · 34 km deep · 76 km away
50. 2.983 km W of Atka, AlaskaSat, Apr 12, 2:33 PM HADT · 537 days ago · 125 km deep · 95 km away
51. 3.219 km ENE of Atka, AlaskaSat, Apr 12, 11:57 PM HADT · 537 days ago · 121 km deep · 31 km away
52. 3.592 km SSE of Atka, AlaskaSun, Apr 13, 1:11 AM HADT · 537 days ago · 35 km deep · 70 km away
53. 1.839 km N of Atka, AlaskaSun, Apr 13, 3:52 PM HADT · 536 days ago · 17 km deep · 60 km away
54. 2.811 km NNW of Atka, AlaskaSun, Apr 13, 5:48 PM HADT · 536 days ago · 192 km deep · 34 km away
55. 3.168 km N of Atka, AlaskaTue, Apr 15, 10:56 PM HADT · 534 days ago · 164 km deep · 88 km away
56. 2.815 km SW of Atka, AlaskaWed, Apr 16, 4:34 AM HADT · 534 days ago · 10 km deep · 21 km away
57. 2.113 km WSW of Atka, AlaskaWed, Apr 16, 5:01 AM HADT · 534 days ago · 10 km deep · 28 km away
58. 2.682 km WSW of Atka, AlaskaWed, Apr 16, 7:21 AM HADT · 534 days ago · 81 km deep · 86 km away
59. 3.915 km WNW of Atka, AlaskaWed, Apr 16, 5:11 PM HADT · 533 days ago · 225 km deep · 36 km away
60. 3.453 km E of Atka, AlaskaThu, Apr 17, 2:34 PM HADT · 532 days ago · 59 km deep · 50 km away

The first 60 of 132.

Before

1. 1.916 km SSW of Atka, AlaskaMon, Mar 24, 2:13 AM HADT · 557 days ago · 19 km deep · 15 km away
2. 2.195 km S of Atka, AlaskaMon, Mar 24, 12:23 AM HADT · 557 days ago · 13 km deep · 78 km away
3. 1.954 km E of Atka, AlaskaSun, Mar 23, 10:24 PM HADT · 557 days ago · 27 km deep · 51 km away
4. 3.182 km ESE of Atka, AlaskaSun, Mar 23, 7:02 AM HADT · 558 days ago · 10 km deep · 72 km away
5. 2.453 km SE of Atka, AlaskaFri, Mar 21, 9:08 PM HADT · 559 days ago · 59 km deep · 33 km away
6. 2.758 km SW of Atka, AlaskaFri, Mar 21, 3:35 PM HADT · 559 days ago · 65 km deep · 54 km away
7. 3.588 km SW of Atka, AlaskaFri, Mar 21, 12:58 PM HADT · 559 days ago · 35 km deep · 85 km away
8. 2.790 km ESE of Adak, AlaskaFri, Mar 21, 11:46 AM HADT · 559 days ago · 62 km deep · 99 km away
9. 3.077 km SE of Atka, AlaskaThu, Mar 20, 11:21 AM HADT · 560 days ago · 35 km deep · 58 km away
10. 3.379 km ENE of Atka, AlaskaThu, Mar 20, 2:04 AM HADT · 561 days ago · 219 km deep · 85 km away
11. 3.144 km SSE of Atka, AlaskaTue, Mar 18, 8:56 PM HADT · 562 days ago · 94 km deep · 23 km away
12. 2.061 km SSE of Atka, AlaskaTue, Mar 18, 3:56 AM HADT · 563 days ago · 22 km deep · 40 km away
13. 3.422 km SE of Atka, AlaskaTue, Mar 18, 1:04 AM HADT · 563 days ago · 64 km deep · 7 km away
14. 3.054 km SSE of Atka, AlaskaMon, Mar 17, 6:07 PM HADT · 563 days ago · 35 km deep · 33 km away
15. 2.963 km S of Atka, AlaskaMon, Mar 17, 4:27 PM HADT · 563 days ago · 35 km deep · 43 km away
16. 2.749 km W of Atka, AlaskaSun, Mar 16, 4:07 PM HADT · 564 days ago · 190 km deep · 63 km away
17. 2.261 km SW of Atka, AlaskaSun, Mar 16, 12:25 PM HADT · 564 days ago · 40 km deep · 54 km away
18. 1.838 km SW of Atka, AlaskaSat, Mar 15, 4:30 AM HADT · 566 days ago · 61 km deep · 38 km away
19. 2.951 km SE of Atka, AlaskaSat, Mar 15, 3:52 AM HADT · 566 days ago · 74 km deep · 32 km away
20. 2.962 km ESE of Atka, AlaskaSat, Mar 15, 3:30 AM HADT · 566 days ago · 60 km deep · 49 km away

From the USGS Earthquake Hazards Program and its partner networks, event av93545446. Read Fri, Oct 2, 2026, 5:10 AM UTC.