M2.3 earthquake 55 km ESE of Nikolski, Alaska

Magnitude

2.3 (ML, local (Richter)), micro

Magnitude from

Alaska Earthquake Center

Local time

Wed, Oct 15, 2025, 12:15 AM AKDT

UTC

2025-10-15 08:15:16 UTC

Depth

23.0 km (14.3 mi), shallow

Epicenter

52.754° N, 168.092° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

15

• Unalaska, AlaskaPopulation 4,491. Forecast162 kmSW

After

1. 3.070 km ESE of Nikolski, AlaskaWed, Oct 15, 9:18 AM AKDT · 354 days ago · 35 km deep · 15 km away
2. 4.031 km E of Nikolski, AlaskaWed, Nov 5, 12:05 PM AKST · 333 days ago · 56 km deep · 28 km away
3. 2.472 km SW of Unalaska, AlaskaMon, Nov 10, 1:52 AM AKST · 328 days ago · 0 km deep · 92 km away
4. 2.159 km ESE of Nikolski, AlaskaWed, Nov 12, 5:18 PM AKST · 325 days ago · 13 km deep · 4 km away
5. 2.5137 km SSE of Nikolski, AlaskaThu, Nov 13, 2:55 AM AKST · 325 days ago · 10 km deep · 97 km away
6. 2.175 km SW of Unalaska, AlaskaThu, Nov 13, 5:58 AM AKST · 325 days ago · 15 km deep · 90 km away
7. 3.341 km SW of Nikolski, AlaskaFri, Nov 14, 11:24 PM AKST · 323 days ago · 10 km deep · 84 km away
8. 2.557 km SW of Nikolski, AlaskaSat, Nov 15, 1:24 AM AKST · 323 days ago · 10 km deep · 94 km away
9. 2.240 km W of Nikolski, AlaskaSun, Nov 16, 4:46 PM AKST · 321 days ago · 5 km deep · 94 km away
10. 2.693 km ESE of Nikolski, AlaskaMon, Nov 17, 8:16 PM AKST · 320 days ago · 8 km deep · 39 km away
11. 1.651 km SW of Nikolski, AlaskaWed, Nov 19, 8:24 AM AKST · 319 days ago · 9 km deep · 95 km away
12. 2.373 km WSW of Unalaska, AlaskaThu, Nov 20, 8:28 AM AKST · 318 days ago · 11 km deep · 95 km away
13. 2.775 km SW of Unalaska, AlaskaFri, Nov 21, 6:05 AM AKST · 317 days ago · 10 km deep · 87 km away
14. 2.174 km SW of Unalaska, AlaskaFri, Nov 21, 6:09 AM AKST · 317 days ago · 17 km deep · 90 km away
15. 2.393 km SSW of Unalaska, AlaskaSat, Nov 22, 2:31 PM AKST · 315 days ago · 29 km deep · 86 km away
16. 2.726 km ESE of Nikolski, AlaskaSat, Nov 22, 6:48 PM AKST · 315 days ago · 35 km deep · 30 km away
17. 2.275 km SW of Unalaska, AlaskaSun, Nov 23, 3:44 AM AKST · 315 days ago · 14 km deep · 89 km away
18. 3.48 km E of Nikolski, AlaskaMon, Nov 24, 7:29 AM AKST · 314 days ago · 70 km deep · 48 km away
19. 2.6112 km E of Nikolski, AlaskaMon, Nov 24, 2:45 PM AKST · 313 days ago · 46 km deep · 63 km away
20. 5.054 km ENE of Nikolski, AlaskaTue, Nov 25, 8:16 AM AKST · 313 days ago · 66 km deep · 44 km away · felt by 10 · tsunami flag
21. 1.973 km ESE of Nikolski, AlaskaTue, Nov 25, 8:30 AM AKST · 313 days ago · 35 km deep · 20 km away
22. 2.268 km E of Nikolski, AlaskaTue, Nov 25, 11:00 AM AKST · 313 days ago · 39 km deep · 21 km away
23. 2.567 km E of Nikolski, AlaskaTue, Nov 25, 11:23 AM AKST · 313 days ago · 34 km deep · 18 km away
24. 2.867 km E of Nikolski, AlaskaTue, Nov 25, 11:25 AM AKST · 313 days ago · 35 km deep · 20 km away
25. 2.291 km ESE of Nikolski, AlaskaTue, Nov 25, 3:35 PM AKST · 312 days ago · 4 km deep · 36 km away
26. 2.455 km E of Nikolski, AlaskaTue, Nov 25, 4:03 PM AKST · 312 days ago · 39 km deep · 27 km away
27. 1.960 km E of Nikolski, AlaskaTue, Nov 25, 6:33 PM AKST · 312 days ago · 55 km deep · 26 km away
28. 2.857 km SSE of Nikolski, AlaskaTue, Nov 25, 9:54 PM AKST · 312 days ago · 35 km deep · 37 km away
29. 3.442 km S of Nikolski, AlaskaWed, Nov 26, 2:26 AM AKST · 312 days ago · 35 km deep · 62 km away
30. 2.488 km S of Unalaska, AlaskaWed, Nov 26, 2:40 AM AKST · 312 days ago · 24 km deep · 96 km away
31. 2.143 km S of Nikolski, AlaskaWed, Nov 26, 1:12 PM AKST · 311 days ago · 35 km deep · 56 km away
32. 2.559 km E of Nikolski, AlaskaWed, Nov 26, 1:24 PM AKST · 311 days ago · 50 km deep · 25 km away
33. 2.197 km ESE of Nikolski, AlaskaWed, Nov 26, 2:32 PM AKST · 311 days ago · 35 km deep · 43 km away
34. 2.076 km ESE of Nikolski, AlaskaWed, Nov 26, 2:54 PM AKST · 311 days ago · 20 km deep · 24 km away
35. 2.8110 km S of Unalaska, AlaskaThu, Nov 27, 8:31 PM AKST · 310 days ago · 10 km deep · 90 km away
36. 2.543 km SE of Nikolski, AlaskaThu, Nov 27, 10:47 PM AKST · 310 days ago · 51 km deep · 17 km away
37. 2.478 km ESE of Nikolski, AlaskaThu, Nov 27, 11:48 PM AKST · 310 days ago · 9 km deep · 25 km away
38. 2.347 km SW of Nikolski, AlaskaFri, Nov 28, 12:58 AM AKST · 310 days ago · 19 km deep · 86 km away
39. 1.873 km WSW of Unalaska, AlaskaFri, Nov 28, 3:44 AM AKST · 310 days ago · 10 km deep · 97 km away
40. 2.344 km ENE of Nikolski, AlaskaFri, Nov 28, 4:57 AM AKST · 310 days ago · 65 km deep · 38 km away
41. 2.9117 km ESE of Nikolski, AlaskaSat, Nov 29, 5:15 PM AKST · 308 days ago · 35 km deep · 63 km away
42. 3.037 km S of Nikolski, AlaskaSat, Nov 29, 10:46 PM AKST · 308 days ago · 46 km deep · 48 km away
43. 1.990 km S of Unalaska, AlaskaSat, Nov 29, 11:54 PM AKST · 308 days ago · 35 km deep · 98 km away
44. 2.3110 km ESE of Nikolski, AlaskaSun, Nov 30, 12:23 AM AKST · 308 days ago · 10 km deep · 55 km away
45. 2.379 km ESE of Nikolski, AlaskaSun, Nov 30, 4:05 AM AKST · 308 days ago · 10 km deep · 24 km away
46. 3.294 km S of Unalaska, AlaskaWed, Dec 3, 9:00 AM AKST · 305 days ago · 36 km deep · 98 km away
47. 1.665 km NE of Nikolski, AlaskaFri, Dec 5, 1:59 AM AKST · 303 days ago · 21 km deep · 60 km away
48. 2.953 km ESE of Nikolski, AlaskaFri, Dec 5, 4:25 AM AKST · 303 days ago · 40 km deep · 5 km away
49. 2.338 km WSW of Nikolski, AlaskaSat, Dec 6, 6:11 PM AKST · 301 days ago · 10 km deep · 85 km away
50. 3.315 km SSW of Nikolski, AlaskaSun, Dec 7, 9:39 PM AKST · 300 days ago · 68 km deep · 58 km away
51. 2.282 km S of Unalaska, AlaskaMon, Dec 8, 10:37 PM AKST · 299 days ago · 18 km deep · 99 km away
52. 2.344 km WSW of Nikolski, AlaskaTue, Dec 9, 10:10 PM AKST · 298 days ago · 14 km deep · 89 km away
53. 3.778 km ESE of Nikolski, AlaskaWed, Dec 10, 1:18 AM AKST · 298 days ago · 35 km deep · 24 km away
54. 2.9139 km S of Unalaska, AlaskaWed, Dec 10, 8:37 AM AKST · 298 days ago · 20 km deep · 85 km away
55. 2.295 km E of Nikolski, AlaskaWed, Dec 10, 9:50 AM AKST · 298 days ago · 16 km deep · 43 km away
56. 2.822 km ESE of Nikolski, AlaskaWed, Dec 10, 11:42 AM AKST · 298 days ago · 76 km deep · 34 km away
57. 4.443 km ESE of Nikolski, AlaskaThu, Dec 11, 7:23 AM AKST · 297 days ago · 35 km deep · 14 km away
58. 1.752 km SE of Nikolski, AlaskaThu, Dec 11, 8:15 AM AKST · 297 days ago · 35 km deep · 13 km away
59. 2.273 km WSW of Unalaska, AlaskaThu, Dec 11, 6:11 PM AKST · 296 days ago · 18 km deep · 98 km away
60. 2.481 km SSE of Nikolski, AlaskaThu, Dec 11, 9:14 PM AKST · 296 days ago · 59 km deep · 58 km away

The first 60 of 65.

Before

1. 3.891 km SSE of Nikolski, AlaskaTue, Oct 7, 5:33 PM AKDT · 361 days ago · 29 km deep · 74 km away
2. 3.789 km E of Nikolski, AlaskaTue, Sep 30, 12:55 PM AKDT · 369 days ago · 82 km deep · 48 km away
3. 2.857 km SW of Nikolski, AlaskaSun, Sep 28, 12:45 AM AKDT · 371 days ago · 10 km deep · 92 km away
4. 2.055 km SW of Nikolski, AlaskaFri, Sep 19, 7:48 AM AKDT · 380 days ago · 13 km deep · 98 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak025d8fmo68. Read Sun, Oct 4, 2026, 8:57 AM UTC.