M1.8 earthquake 82 km SSW of Unalaska, Alaska

Magnitude

1.8 (ML, local (Richter)), micro

Magnitude from

Alaska Earthquake Center

Local time

Wed, Mar 12, 2025, 3:16 AM AKDT

UTC

2025-03-12 11:16:06 UTC

Depth

22.0 km (13.7 mi), shallow

Epicenter

53.155° N, 166.809° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

19

• Unalaska, AlaskaPopulation 4,491. Forecast82 kmSSW

After

1. 1.871 km SSW of Unalaska, AlaskaWed, Mar 12, 9:15 AM AKDT · 571 days ago · 38 km deep · 11 km away
2. 1.978 km SW of Unalaska, AlaskaFri, Mar 14, 1:45 AM AKDT · 569 days ago · 18 km deep · 44 km away
3. 1.748 km S of Akutan, AlaskaFri, Mar 14, 8:14 AM AKDT · 569 days ago · 29 km deep · 89 km away
4. 3.027 km ESE of Unalaska, AlaskaFri, Mar 14, 8:55 AM AKDT · 569 days ago · 71 km deep · 86 km away
5. 1.771 km SSE of Unalaska, AlaskaFri, Mar 14, 10:17 AM AKDT · 569 days ago · 23 km deep · 54 km away
6. 1.975 km WSW of Unalaska, AlaskaFri, Mar 14, 10:59 PM AKDT · 568 days ago · 26 km deep · 73 km away
7. 1.593 km SSW of Unalaska, AlaskaSat, Mar 15, 3:38 PM AKDT · 567 days ago · 19 km deep · 22 km away
8. 1.786 km ENE of Nikolski, AlaskaSat, Mar 15, 4:30 PM AKDT · 567 days ago · 50 km deep · 54 km away
9. 1.557 km SE of Unalaska, AlaskaSun, Mar 16, 4:28 AM AKDT · 567 days ago · 22 km deep · 80 km away
10. 1.7103 km E of Nikolski, AlaskaMon, Mar 17, 3:53 AM AKDT · 566 days ago · 40 km deep · 37 km away
11. 1.974 km S of Unalaska, AlaskaMon, Mar 17, 7:35 PM AKDT · 565 days ago · 18 km deep · 16 km away
12. 2.689 km SSW of Unalaska, AlaskaTue, Mar 18, 12:19 AM AKDT · 565 days ago · 35 km deep · 14 km away
13. 2.09 km WSW of Dutch Harbor, AlaskaTue, Mar 18, 3:56 AM AKDT · 565 days ago · 113 km deep · 80 km away
14. 1.653 km ESE of Unalaska, AlaskaTue, Mar 18, 10:30 PM AKDT · 564 days ago · 23 km deep · 85 km away
15. 3.488 km SSW of Unalaska, AlaskaWed, Mar 19, 12:35 AM AKDT · 564 days ago · 35 km deep · 14 km away
16. 2.346 km S of Akutan, AlaskaWed, Mar 19, 2:41 AM AKDT · 564 days ago · 35 km deep · 94 km away
17. 3.982 km SSW of Unalaska, AlaskaWed, Mar 19, 4:55 AM AKDT · 564 days ago · 35 km deep · 11 km away
18. 2.187 km SSW of Unalaska, AlaskaWed, Mar 19, 5:11 AM AKDT · 564 days ago · 26 km deep · 14 km away
19. 1.873 km SW of Unalaska, AlaskaThu, Mar 20, 6:01 AM AKDT · 563 days ago · 15 km deep · 51 km away
20. 1.956 km S of Akutan, AlaskaThu, Mar 20, 6:10 AM AKDT · 563 days ago · 36 km deep · 86 km away
21. 1.877 km SSE of Akutan, AlaskaFri, Mar 21, 8:41 AM AKDT · 562 days ago · 26 km deep · 97 km away
22. 2.287 km SSW of Unalaska, AlaskaSat, Mar 22, 6:21 PM AKDT · 560 days ago · 25 km deep · 11 km away
23. 1.839 km SSW of Akutan, AlaskaSun, Mar 23, 4:39 AM AKDT · 560 days ago · 32 km deep · 92 km away
24. 2.816 km SSW of Unalaska, AlaskaSun, Mar 23, 9:45 AM AKDT · 560 days ago · 89 km deep · 66 km away
25. 1.949 km SW of Unalaska, AlaskaMon, Mar 24, 10:45 AM AKDT · 559 days ago · 13 km deep · 43 km away
26. 2.1100 km E of Nikolski, AlaskaMon, Mar 24, 11:47 AM AKDT · 559 days ago · 39 km deep · 47 km away
27. 3.780 km SW of Unalaska, AlaskaTue, Mar 25, 3:54 AM AKDT · 558 days ago · 10 km deep · 38 km away
28. 2.171 km WSW of Unalaska, AlaskaTue, Mar 25, 3:57 AM AKDT · 558 days ago · 5 km deep · 67 km away
29. 1.773 km WSW of Unalaska, AlaskaTue, Mar 25, 4:00 AM AKDT · 558 days ago · 13 km deep · 63 km away
30. 1.673 km WSW of Unalaska, AlaskaTue, Mar 25, 4:31 AM AKDT · 558 days ago · 13 km deep · 63 km away
31. 1.570 km WSW of Unalaska, AlaskaTue, Mar 25, 5:36 AM AKDT · 558 days ago · 14 km deep · 64 km away
32. 1.773 km WSW of Unalaska, AlaskaTue, Mar 25, 5:55 AM AKDT · 558 days ago · 13 km deep · 63 km away
33. 1.573 km WSW of Unalaska, AlaskaTue, Mar 25, 7:17 AM AKDT · 558 days ago · 12 km deep · 61 km away
34. 1.9117 km ESE of Nikolski, AlaskaTue, Mar 25, 7:34 AM AKDT · 558 days ago · 9 km deep · 55 km away
35. 1.575 km WSW of Unalaska, AlaskaTue, Mar 25, 10:51 AM AKDT · 558 days ago · 7 km deep · 70 km away
36. 2.275 km SW of Unalaska, AlaskaTue, Mar 25, 11:19 AM AKDT · 558 days ago · 13 km deep · 57 km away
37. 1.979 km WSW of Unalaska, AlaskaTue, Mar 25, 11:20 AM AKDT · 558 days ago · 13 km deep · 81 km away
38. 2.173 km WSW of Unalaska, AlaskaTue, Mar 25, 11:28 AM AKDT · 558 days ago · 11 km deep · 64 km away
39. 1.564 km S of Unalaska, AlaskaTue, Mar 25, 8:10 PM AKDT · 557 days ago · 13 km deep · 20 km away
40. 1.572 km WSW of Unalaska, AlaskaTue, Mar 25, 8:43 PM AKDT · 557 days ago · 7 km deep · 60 km away
41. 1.673 km WSW of Unalaska, AlaskaTue, Mar 25, 8:49 PM AKDT · 557 days ago · 7 km deep · 59 km away
42. 1.674 km WSW of Unalaska, AlaskaTue, Mar 25, 9:09 PM AKDT · 557 days ago · 11 km deep · 68 km away
43. 3.0113 km S of Unalaska, AlaskaWed, Mar 26, 2:28 AM AKDT · 557 days ago · 35 km deep · 32 km away
44. 1.852 km S of Unalaska, AlaskaWed, Mar 26, 2:02 PM AKDT · 556 days ago · 50 km deep · 36 km away
45. 1.570 km WSW of Unalaska, AlaskaWed, Mar 26, 2:56 PM AKDT · 556 days ago · 13 km deep · 70 km away
46. 1.884 km ENE of Nikolski, AlaskaWed, Mar 26, 5:33 PM AKDT · 556 days ago · 63 km deep · 63 km away
47. 1.873 km WSW of Unalaska, AlaskaWed, Mar 26, 7:22 PM AKDT · 556 days ago · 13 km deep · 62 km away
48. 2.172 km WSW of Unalaska, AlaskaWed, Mar 26, 7:22 PM AKDT · 556 days ago · 6 km deep · 61 km away
49. 1.774 km WSW of Unalaska, AlaskaWed, Mar 26, 7:48 PM AKDT · 556 days ago · 12 km deep · 60 km away
50. 1.781 km SSW of Unalaska, AlaskaWed, Mar 26, 8:34 PM AKDT · 556 days ago · 26 km deep · 1 km away
51. 1.573 km WSW of Unalaska, AlaskaWed, Mar 26, 10:09 PM AKDT · 556 days ago · 13 km deep · 64 km away
52. 1.986 km S of Unalaska, AlaskaWed, Mar 26, 11:07 PM AKDT · 556 days ago · 26 km deep · 18 km away
53. 1.675 km SW of Unalaska, AlaskaThu, Mar 27, 1:30 AM AKDT · 556 days ago · 13 km deep · 56 km away
54. 2.575 km SW of Unalaska, AlaskaThu, Mar 27, 2:06 AM AKDT · 556 days ago · 11 km deep · 52 km away
55. 1.674 km WSW of Unalaska, AlaskaThu, Mar 27, 11:45 AM AKDT · 556 days ago · 13 km deep · 66 km away
56. 2.5115 km E of Nikolski, AlaskaThu, Mar 27, 2:24 PM AKDT · 555 days ago · 35 km deep · 47 km away
57. 2.086 km SSW of Unalaska, AlaskaThu, Mar 27, 5:13 PM AKDT · 555 days ago · 42 km deep · 17 km away
58. 1.674 km SW of Unalaska, AlaskaThu, Mar 27, 7:34 PM AKDT · 555 days ago · 13 km deep · 49 km away
59. 1.990 km SSW of Unalaska, AlaskaFri, Mar 28, 10:25 AM AKDT · 555 days ago · 26 km deep · 22 km away
60. 1.84 km NNE of Dutch Harbor, AlaskaFri, Mar 28, 10:42 PM AKDT · 554 days ago · 13 km deep · 88 km away

The first 60 of 166.

Before

1. 1.748 km SW of Unalaska, AlaskaMon, Mar 10, 1:35 AM AKDT · 573 days ago · 16 km deep · 48 km away
2. 3.477 km ENE of Nikolski, AlaskaSun, Mar 9, 6:20 PM AKDT · 573 days ago · 55 km deep · 63 km away
3. 2.280 km SSW of Unalaska, AlaskaSun, Mar 9, 5:11 PM AKDT · 573 days ago · 26 km deep · 9 km away
4. 2.996 km E of Nikolski, AlaskaSun, Mar 9, 12:10 PM AKDT · 574 days ago · 35 km deep · 53 km away
5. 2.284 km E of Nikolski, AlaskaSun, Mar 9, 11:14 AM AKDT · 574 days ago · 58 km deep · 55 km away
6. 2.5135 km ESE of Nikolski, AlaskaSun, Mar 9, 6:21 AM AKDT · 574 days ago · 10 km deep · 67 km away
7. 2.3133 km S of Unalaska, AlaskaFri, Mar 7, 7:50 PM AKST · 575 days ago · 26 km deep · 52 km away
8. 2.570 km SE of Unalaska, AlaskaFri, Mar 7, 2:38 PM AKST · 575 days ago · 35 km deep · 64 km away
9. 2.090 km SSW of Unalaska, AlaskaThu, Mar 6, 4:28 PM AKST · 576 days ago · 19 km deep · 12 km away
10. 2.273 km SE of Unalaska, AlaskaThu, Mar 6, 12:48 PM AKST · 576 days ago · 25 km deep · 81 km away
11. 1.873 km S of Akutan, AlaskaThu, Mar 6, 11:22 AM AKST · 577 days ago · 43 km deep · 86 km away
12. 2.065 km SE of Unalaska, AlaskaThu, Mar 6, 10:53 AM AKST · 577 days ago · 36 km deep · 77 km away
13. 1.889 km SSW of Unalaska, AlaskaThu, Mar 6, 2:14 AM AKST · 577 days ago · 26 km deep · 13 km away
14. 2.0100 km E of Nikolski, AlaskaWed, Mar 5, 9:54 PM AKST · 577 days ago · 39 km deep · 49 km away
15. 1.767 km SW of Unalaska, AlaskaWed, Mar 5, 8:23 PM AKST · 577 days ago · 10 km deep · 49 km away
16. 1.673 km SW of Unalaska, AlaskaWed, Mar 5, 5:52 PM AKST · 577 days ago · 13 km deep · 43 km away
17. 1.545 km S of Unalaska, AlaskaWed, Mar 5, 5:17 PM AKST · 577 days ago · 25 km deep · 40 km away
18. 1.769 km SSE of Unalaska, AlaskaWed, Mar 5, 4:25 PM AKST · 577 days ago · 23 km deep · 58 km away
19. 1.867 km SSE of Akutan, AlaskaWed, Mar 5, 3:09 PM AKST · 577 days ago · 18 km deep · 98 km away
20. 3.288 km SW of Unalaska, AlaskaTue, Mar 4, 7:26 PM AKST · 578 days ago · 78 km deep · 49 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak02539lsunh. Read Sun, Oct 4, 2026, 8:59 AM UTC.