M1.9 earthquake 82 km W of Adak, Alaska

Magnitude

1.9 (ML, local (Richter)), micro

Magnitude from

AV

Local time

Thu, Dec 4, 2025, 1:04 AM HAST

UTC

2025-12-04 11:04:12 UTC

Depth

5.2 km (3.2 mi), shallow

Epicenter

51.908° N, 177.828° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.8 km horizontally, 1.9 km in depth

Magnitude uncertainty

±0.25

Depth from

From location

Station coverage gap

262°, poorly surrounded by stations

Stations used

6

After

1. 2.6154 km WSW of Adak, AlaskaThu, Dec 4, 4:49 PM HAST · 301 days ago · 59 km deep · 86 km away
2. 2.8119 km SW of Adak, AlaskaFri, Dec 5, 4:55 AM HAST · 301 days ago · 16 km deep · 92 km away
3. 2.4135 km WSW of Adak, AlaskaSat, Dec 6, 12:20 AM HAST · 300 days ago · 35 km deep · 83 km away
4. 2.0133 km WSW of Adak, AlaskaMon, Dec 8, 1:13 PM HAST · 297 days ago · 12 km deep · 64 km away
5. 2.697 km WSW of Adak, AlaskaTue, Dec 9, 7:15 AM HAST · 297 days ago · 48 km deep · 56 km away
6. 2.474 km SSW of Adak, AlaskaTue, Dec 9, 6:42 PM HAST · 296 days ago · 35 km deep · 95 km away
7. 2.065 km SW of Adak, AlaskaWed, Dec 10, 1:38 AM HAST · 296 days ago · 43 km deep · 68 km away
8. 1.961 km SSW of Adak, AlaskaWed, Dec 10, 1:51 AM HAST · 296 days ago · 35 km deep · 85 km away
9. 2.296 km SW of Adak, AlaskaWed, Dec 10, 2:41 AM HAST · 296 days ago · 28 km deep · 87 km away
10. 2.4166 km W of Adak, AlaskaWed, Dec 10, 3:19 AM HAST · 296 days ago · 5 km deep · 86 km away
11. 2.059 km SSW of Adak, AlaskaWed, Dec 10, 5:19 AM HAST · 296 days ago · 46 km deep · 80 km away
12. 2.263 km SSW of Adak, AlaskaWed, Dec 10, 7:53 AM HAST · 296 days ago · 42 km deep · 81 km away
13. 2.594 km WSW of Adak, AlaskaWed, Dec 10, 1:47 PM HAST · 295 days ago · 32 km deep · 53 km away
14. 2.258 km W of Adak, AlaskaThu, Dec 11, 12:21 AM HAST · 295 days ago · 87 km deep · 23 km away
15. 2.369 km SSW of Adak, AlaskaThu, Dec 11, 9:53 AM HAST · 294 days ago · 35 km deep · 91 km away
16. 2.2102 km WSW of Adak, AlaskaThu, Dec 11, 12:22 PM HAST · 294 days ago · 69 km deep · 37 km away
17. 2.122 km S of Adak, AlaskaThu, Dec 11, 5:35 PM HAST · 294 days ago · 62 km deep · 87 km away
18. 2.259 km SSW of Adak, AlaskaThu, Dec 11, 8:58 PM HAST · 294 days ago · 42 km deep · 77 km away
19. 2.9145 km WSW of Adak, AlaskaFri, Dec 12, 8:22 AM HAST · 294 days ago · 30 km deep · 86 km away
20. 2.462 km SSW of Adak, AlaskaFri, Dec 12, 2:52 PM HAST · 293 days ago · 34 km deep · 81 km away
21. 3.577 km SW of Adak, AlaskaFri, Dec 12, 4:05 PM HAST · 293 days ago · 35 km deep · 68 km away
22. 3.2140 km SW of Adak, AlaskaFri, Dec 12, 4:57 PM HAST · 293 days ago · 10 km deep · 100 km away
23. 3.0128 km SW of Adak, AlaskaFri, Dec 12, 6:17 PM HAST · 293 days ago · 28 km deep · 82 km away
24. 2.287 km W of Adak, AlaskaFri, Dec 12, 7:17 PM HAST · 293 days ago · 7 km deep · 7 km away
25. 2.289 km W of Adak, AlaskaFri, Dec 12, 9:35 PM HAST · 293 days ago · 11 km deep · 9 km away
26. 2.345 km S of Adak, AlaskaSun, Dec 14, 3:47 AM HAST · 292 days ago · 30 km deep · 93 km away
27. 3.870 km WNW of Adak, AlaskaSun, Dec 14, 7:14 AM HAST · 292 days ago · 160 km deep · 34 km away
28. 3.017 km W of Adak, AlaskaSun, Dec 14, 7:30 AM HAST · 292 days ago · 146 km deep · 65 km away
29. 3.057 km SSW of Adak, AlaskaSun, Dec 14, 6:23 PM HAST · 291 days ago · 35 km deep · 89 km away
30. 3.1125 km W of Adak, AlaskaMon, Dec 15, 12:30 AM HAST · 291 days ago · 129 km deep · 44 km away
31. 3.727 km SSE of Adak, AlaskaMon, Dec 15, 7:23 AM HAST · 291 days ago · 58 km deep · 97 km away
32. 2.264 km SSW of Adak, AlaskaMon, Dec 15, 2:10 PM HAST · 290 days ago · 34 km deep · 82 km away
33. 2.469 km SSW of Adak, AlaskaMon, Dec 15, 10:52 PM HAST · 290 days ago · 21 km deep · 91 km away
34. 2.9121 km WSW of Adak, AlaskaTue, Dec 16, 7:24 AM HAST · 290 days ago · 13 km deep · 59 km away
35. 2.961 km SSW of Adak, AlaskaTue, Dec 16, 1:17 PM HAST · 289 days ago · 35 km deep · 86 km away
36. 2.667 km SSW of Adak, AlaskaTue, Dec 16, 1:26 PM HAST · 289 days ago · 35 km deep · 87 km away
37. 1.854 km WSW of Adak, AlaskaTue, Dec 16, 2:52 PM HAST · 289 days ago · 81 km deep · 41 km away
38. 2.4172 km W of Adak, AlaskaTue, Dec 16, 3:05 PM HAST · 289 days ago · 130 km deep · 91 km away
39. 2.234 km SSW of Adak, AlaskaWed, Dec 17, 3:58 AM HAST · 289 days ago · 27 km deep · 82 km away
40. 2.3124 km WSW of Adak, AlaskaThu, Dec 18, 4:50 AM HAST · 288 days ago · 35 km deep · 57 km away
41. 2.392 km SW of Adak, AlaskaThu, Dec 18, 9:15 PM HAST · 287 days ago · 53 km deep · 57 km away
42. 2.2105 km WSW of Adak, AlaskaFri, Dec 19, 8:41 PM HAST · 286 days ago · 34 km deep · 49 km away
43. 2.769 km SSW of Adak, AlaskaSat, Dec 20, 2:10 AM HAST · 286 days ago · 35 km deep · 92 km away
44. 3.3153 km WSW of Adak, AlaskaSat, Dec 20, 6:18 AM HAST · 286 days ago · 35 km deep · 94 km away
45. 2.877 km SSW of Adak, AlaskaSat, Dec 20, 12:20 PM HAST · 285 days ago · 35 km deep · 89 km away
46. 2.463 km SSW of Adak, AlaskaMon, Dec 22, 4:14 PM HAST · 283 days ago · 33 km deep · 85 km away
47. 2.299 km WSW of Adak, AlaskaMon, Dec 22, 10:52 PM HAST · 283 days ago · 26 km deep · 55 km away
48. 2.277 km SSW of Adak, AlaskaTue, Dec 23, 1:45 AM HAST · 283 days ago · 38 km deep · 93 km away
49. 2.292 km SW of Adak, AlaskaTue, Dec 23, 1:53 AM HAST · 283 days ago · 35 km deep · 59 km away
50. 2.4122 km WSW of Adak, AlaskaTue, Dec 23, 9:34 AM HAST · 282 days ago · 12 km deep · 69 km away
51. 2.188 km WSW of Adak, AlaskaTue, Dec 23, 12:26 PM HAST · 282 days ago · 23 km deep · 50 km away
52. 2.6101 km WSW of Adak, AlaskaTue, Dec 23, 2:15 PM HAST · 282 days ago · 81 km deep · 32 km away
53. 2.238 km S of Adak, AlaskaWed, Dec 24, 12:38 AM HAST · 282 days ago · 28 km deep · 90 km away
54. 2.4143 km WSW of Adak, AlaskaWed, Dec 24, 5:19 AM HAST · 282 days ago · 35 km deep · 89 km away
55. 2.441 km S of Adak, AlaskaWed, Dec 24, 1:41 PM HAST · 281 days ago · 31 km deep · 97 km away
56. 1.6168 km W of Adak, AlaskaWed, Dec 24, 8:32 PM HAST · 281 days ago · 14 km deep · 87 km away
57. 2.272 km SW of Adak, AlaskaThu, Dec 25, 7:37 AM HAST · 281 days ago · 35 km deep · 63 km away
58. 2.9135 km SW of Adak, AlaskaWed, Dec 31, 12:03 AM HAST · 275 days ago · 19 km deep · 95 km away
59. 3.074 km SSW of Adak, AlaskaWed, Dec 31, 8:54 AM HAST · 275 days ago · 20 km deep · 96 km away
60. 2.6106 km W of Adak, AlaskaWed, Dec 31, 10:23 AM HAST · 274 days ago · 15 km deep · 32 km away

The first 60 of 109.

Before

1. 3.9105 km SW of Adak, AlaskaMon, Dec 1, 12:29 AM HAST · 305 days ago · 48 km deep · 85 km away
2. 3.4130 km WSW of Adak, AlaskaSat, Nov 29, 10:30 PM HAST · 306 days ago · 38 km deep · 79 km away · felt by 1
3. 2.831 km NW of Adak, AlaskaFri, Nov 28, 4:24 PM HAST · 307 days ago · 123 km deep · 60 km away
4. 4.4140 km WSW of Adak, AlaskaThu, Nov 27, 6:32 PM HAST · 308 days ago · 48 km deep · 82 km away
5. 2.253 km SW of Adak, AlaskaThu, Nov 27, 1:09 PM HAST · 308 days ago · 45 km deep · 62 km away
6. 2.866 km SSW of Adak, AlaskaThu, Nov 27, 6:20 AM HAST · 309 days ago · 35 km deep · 86 km away
7. 2.4122 km WSW of Adak, AlaskaThu, Nov 27, 4:40 AM HAST · 309 days ago · 23 km deep · 59 km away
8. 2.259 km SSW of Adak, AlaskaWed, Nov 26, 11:54 AM HAST · 309 days ago · 38 km deep · 75 km away
9. 2.760 km SSW of Adak, AlaskaTue, Nov 25, 8:09 PM HAST · 310 days ago · 35 km deep · 81 km away
10. 2.462 km SSW of Adak, AlaskaTue, Nov 25, 8:55 AM HAST · 311 days ago · 42 km deep · 83 km away
11. 2.1109 km WSW of Adak, AlaskaTue, Nov 25, 3:20 AM HAST · 311 days ago · 13 km deep · 53 km away
12. 2.269 km SSW of Adak, AlaskaMon, Nov 24, 11:59 PM HAST · 311 days ago · 35 km deep · 92 km away
13. 2.3105 km WSW of Adak, AlaskaMon, Nov 24, 8:01 PM HAST · 311 days ago · 20 km deep · 57 km away
14. 3.743 km N of Adak, AlaskaMon, Nov 24, 3:17 PM HAST · 311 days ago · 223 km deep · 91 km away
15. 2.367 km SSW of Adak, AlaskaSun, Nov 23, 10:43 PM HAST · 312 days ago · 35 km deep · 78 km away
16. 4.065 km SSW of Adak, AlaskaSun, Nov 23, 12:44 AM HAST · 313 days ago · 35 km deep · 85 km away
17. 2.775 km SSW of Adak, AlaskaSat, Nov 22, 10:55 PM HAST · 313 days ago · 35 km deep · 91 km away
18. 3.171 km SSW of Adak, AlaskaSat, Nov 22, 10:27 PM HAST · 313 days ago · 35 km deep · 93 km away
19. 5.567 km SSW of Adak, AlaskaSat, Nov 22, 10:21 PM HAST · 313 days ago · 33 km deep · 87 km away · felt by 3
20. 3.6127 km SW of Adak, AlaskaSat, Nov 22, 9:10 AM HAST · 313 days ago · 10 km deep · 90 km away

From the USGS Earthquake Hazards Program and its partner networks, event av93924596. Read Fri, Oct 2, 2026, 6:30 AM UTC.