M1.6 earthquake 263 km W of Adak, Alaska

Magnitude

1.6 (ML, local (Richter)), micro

Magnitude from

AV

Local time

Wed, Dec 10, 2025, 8:52 PM GMT+12

UTC

2025-12-10 08:52:27 UTC

Depth

2.8 km (1.8 mi), shallow

Epicenter

51.799° N, 179.549° E

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 1.0 km horizontally, 4.5 km in depth

Magnitude uncertainty

±0.33

Depth from

From location

Station coverage gap

312°, poorly surrounded by stations

Stations used

4

After

1. 2.4166 km W of Adak, AlaskaWed, Dec 10, 3:19 AM HAST · 299 days ago · 5 km deep · 98 km away
2. 2.1263 km W of Adak, AlaskaThu, Dec 11, 6:55 PM GMT+12 · 298 days ago · 11 km deep · 4 km away
3. 1.9269 km W of Adak, AlaskaFri, Dec 12, 11:39 AM GMT+12 · 297 days ago · 8 km deep · 7 km away
4. 5.5Rat Islands, Aleutian Islands, AlaskaSat, Dec 13, 10:51 PM GMT+12 · 296 days ago · 108 km deep · 91 km away
5. 3.4Rat Islands, Aleutian Islands, AlaskaSat, Dec 13, 10:59 PM GMT+12 · 296 days ago · 116 km deep · 89 km away
6. 3.1219 km WSW of Adak, AlaskaSat, Dec 13, 2:52 PM HAST · 295 days ago · 35 km deep · 92 km away
7. 2.6Rat Islands, Aleutian Islands, AlaskaTue, Dec 16, 9:56 AM GMT+12 · 293 days ago · 112 km deep · 80 km away
8. 2.5228 km WSW of Adak, AlaskaTue, Dec 16, 10:49 AM HAST · 292 days ago · 66 km deep · 56 km away
9. 2.4172 km W of Adak, AlaskaTue, Dec 16, 3:05 PM HAST · 292 days ago · 130 km deep · 91 km away
10. 2.9206 km WSW of Adak, AlaskaTue, Dec 16, 6:00 PM HAST · 292 days ago · 35 km deep · 99 km away
11. 2.9Rat Islands, Aleutian Islands, AlaskaWed, Dec 17, 6:21 PM GMT+12 · 292 days ago · 10 km deep · 93 km away
12. 2.0Rat Islands, Aleutian Islands, AlaskaThu, Dec 18, 2:35 PM GMT+12 · 291 days ago · 3 km deep · 83 km away
13. 2.6252 km WSW of Adak, AlaskaFri, Dec 19, 3:03 AM GMT+12 · 291 days ago · 35 km deep · 78 km away
14. 2.6261 km W of Adak, AlaskaFri, Dec 19, 4:27 PM GMT+12 · 290 days ago · 92 km deep · 4 km away
15. 3.3220 km W of Adak, AlaskaFri, Dec 19, 2:50 AM HAST · 290 days ago · 106 km deep · 44 km away
16. 3.3263 km W of Adak, AlaskaSun, Dec 21, 2:45 AM GMT+12 · 289 days ago · 193 km deep · 17 km away
17. 1.6255 km W of Adak, AlaskaSun, Dec 21, 10:22 PM GMT+12 · 288 days ago · 4 km deep · 8 km away
18. 2.8181 km WSW of Adak, AlaskaMon, Dec 22, 11:06 PM HAST · 286 days ago · 76 km deep · 94 km away
19. 3.2262 km W of Adak, AlaskaThu, Dec 25, 2:58 PM GMT+12 · 284 days ago · 77 km deep · 16 km away
20. 1.6168 km W of Adak, AlaskaWed, Dec 24, 8:32 PM HAST · 284 days ago · 14 km deep · 96 km away
21. 2.8277 km W of Adak, AlaskaFri, Dec 26, 12:05 AM GMT+12 · 284 days ago · 67 km deep · 32 km away
22. 3.5Rat Islands, Aleutian Islands, AlaskaSun, Dec 28, 11:30 AM GMT+12 · 281 days ago · 125 km deep · 83 km away
23. 3.4Rat Islands, Aleutian Islands, AlaskaTue, Dec 30, 4:06 AM GMT+12 · 280 days ago · 122 km deep · 91 km away
24. 3.7Rat Islands, Aleutian Islands, AlaskaTue, Dec 30, 8:08 PM GMT+12 · 279 days ago · 98 km deep · 68 km away
25. 3.1291 km WSW of Adak, AlaskaTue, Dec 30, 9:46 PM GMT+12 · 279 days ago · 41 km deep · 57 km away
26. 3.4Rat Islands, Aleutian Islands, AlaskaFri, Jan 2, 1:01 AM GMT+12 · 277 days ago · 98 km deep · 73 km away
27. 3.4Rat Islands, Aleutian Islands, AlaskaSat, Jan 3, 9:44 PM GMT+12 · 275 days ago · 10 km deep · 96 km away
28. 1.5250 km W of Adak, AlaskaSun, Jan 4, 7:38 PM GMT+12 · 274 days ago · 5 km deep · 26 km away
29. 3.3233 km WSW of Adak, AlaskaMon, Jan 12, 12:37 PM HAST · 265 days ago · 35 km deep · 87 km away
30. 2.9233 km W of Adak, AlaskaMon, Jan 12, 9:04 PM HAST · 265 days ago · 95 km deep · 34 km away
31. 2.7Rat Islands, Aleutian Islands, AlaskaSun, Jan 18, 12:55 AM GMT+12 · 261 days ago · 48 km deep · 73 km away
32. 3.1239 km WSW of Adak, AlaskaTue, Jan 20, 12:26 PM GMT-12 · 257 days ago · 14 km deep · 95 km away
33. 2.8233 km WSW of Adak, AlaskaWed, Jan 21, 1:21 AM HAST · 257 days ago · 18 km deep · 64 km away
34. 2.3Rat Islands, Aleutian Islands, AlaskaFri, Jan 23, 10:11 AM GMT+12 · 255 days ago · 5 km deep · 85 km away
35. 3.5299 km WSW of Adak, AlaskaSun, Jan 25, 8:40 PM GMT+12 · 253 days ago · 26 km deep · 54 km away
36. 3.2Rat Islands, Aleutian Islands, AlaskaMon, Jan 26, 4:29 AM GMT+12 · 253 days ago · 35 km deep · 76 km away
37. 3.4205 km W of Adak, AlaskaMon, Jan 26, 6:21 PM HAST · 251 days ago · 94 km deep · 60 km away
38. 3.6265 km W of Adak, AlaskaSun, Feb 1, 6:28 AM GMT+12 · 247 days ago · 80 km deep · 21 km away
39. 3.9295 km W of Adak, AlaskaMon, Feb 2, 1:13 AM GMT+12 · 246 days ago · 176 km deep · 67 km away
40. 3.3283 km WSW of Adak, AlaskaMon, Feb 2, 12:54 PM GMT+12 · 245 days ago · 35 km deep · 50 km away
41. 3.7Rat Islands, Aleutian Islands, AlaskaTue, Feb 3, 11:31 PM GMT+12 · 244 days ago · 133 km deep · 99 km away
42. 3.0283 km WSW of Adak, AlaskaWed, Feb 4, 1:19 PM GMT+12 · 243 days ago · 35 km deep · 75 km away
43. 4.1Rat Islands, Aleutian Islands, AlaskaWed, Feb 4, 6:06 PM GMT+12 · 243 days ago · 69 km deep · 83 km away
44. 2.9269 km W of Adak, AlaskaWed, Feb 4, 8:21 PM GMT+12 · 243 days ago · 108 km deep · 7 km away
45. 2.8186 km W of Adak, AlaskaThu, Feb 5, 9:14 PM HAST · 241 days ago · 141 km deep · 77 km away
46. 3.9Rat Islands, Aleutian Islands, AlaskaSat, Feb 7, 6:36 PM GMT+12 · 240 days ago · 56 km deep · 73 km away

Before

1. 2.6228 km WSW of Adak, AlaskaTue, Dec 9, 2:30 AM HAST · 300 days ago · 10 km deep · 97 km away
2. 1.5261 km W of Adak, AlaskaTue, Dec 9, 7:37 PM GMT+12 · 300 days ago · 16 km deep · 11 km away
3. 4.7Rat Islands, Aleutian Islands, AlaskaTue, Dec 9, 4:29 PM GMT+12 · 300 days ago · 19 km deep · 99 km away
4. 2.1252 km W of Adak, AlaskaMon, Dec 8, 11:37 PM GMT+12 · 301 days ago · 4 km deep · 14 km away
5. 1.8261 km W of Adak, AlaskaMon, Dec 8, 3:59 PM GMT+12 · 301 days ago · 4 km deep · 11 km away
6. 4.3266 km W of Adak, AlaskaMon, Dec 8, 3:58 AM GMT+12 · 302 days ago · 171 km deep · 41 km away
7. 3.2269 km WSW of Adak, AlaskaSun, Dec 7, 8:01 PM GMT+12 · 302 days ago · 52 km deep · 54 km away
8. 2.7251 km WSW of Adak, AlaskaSat, Dec 6, 6:16 PM GMT-12 · 302 days ago · 6 km deep · 97 km away
9. 2.1273 km W of Adak, AlaskaSun, Dec 7, 4:44 PM GMT+12 · 302 days ago · 12 km deep · 11 km away
10. 3.7256 km W of Adak, AlaskaTue, Dec 2, 1:32 AM GMT+12 · 308 days ago · 133 km deep · 30 km away
11. 3.7259 km WSW of Adak, AlaskaSat, Nov 29, 12:43 PM GMT+12 · 310 days ago · 54 km deep · 64 km away
12. 2.9223 km WSW of Adak, AlaskaThu, Nov 27, 3:57 AM HAST · 312 days ago · 10 km deep · 88 km away
13. 2.9Rat Islands, Aleutian Islands, AlaskaThu, Nov 27, 8:59 PM GMT+12 · 312 days ago · 92 km deep · 61 km away
14. 2.7276 km W of Adak, AlaskaWed, Nov 26, 6:38 PM GMT+12 · 313 days ago · 63 km deep · 34 km away
15. 2.5256 km WSW of Adak, AlaskaWed, Nov 26, 3:44 PM GMT+12 · 313 days ago · 67 km deep · 40 km away
16. 2.9185 km WSW of Adak, AlaskaTue, Nov 25, 4:37 PM HAST · 313 days ago · 77 km deep · 94 km away
17. 2.3Rat Islands, Aleutian Islands, AlaskaWed, Nov 26, 1:02 PM GMT+12 · 313 days ago · 13 km deep · 72 km away
18. 3.4246 km WSW of Adak, AlaskaMon, Nov 24, 4:25 AM GMT+12 · 316 days ago · 47 km deep · 52 km away
19. 2.6177 km W of Adak, AlaskaFri, Nov 21, 11:58 PM HAST · 317 days ago · 239 km deep · 86 km away
20. 3.1285 km W of Adak, AlaskaSat, Nov 22, 9:33 PM GMT+12 · 317 days ago · 120 km deep · 24 km away

From the USGS Earthquake Hazards Program and its partner networks, event av93937116. Read Mon, Oct 5, 2026, 6:38 AM UTC.