Alaska earthquakes

M2.7 earthquake 315 km W of Adak, Alaska

A magnitude 2.7 earthquake struck 315 km W of Adak, Alaska on Sat, Jan 7, 2023, 1:44 PM GMT+12 (01:44 UTC), 74 km (46 mi) below the surface.

A larger quake followed: M4.4 Rat Islands, Aleutian Islands, Alaska. This one was a foreshock.

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Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
2.7 (ML, local (Richter)), micro
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2023-01-07 01:44:04 UTC
Depth
73.8 km (45.8 mi), intermediate-depth
Epicenter
51.649° N, 178.804° E
Region
Alaska
Tsunami flag
No
Status
Reviewed by a seismologist

Magnitude estimates

Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.

Mag.ScaleComputed byNotes
2.7ML, local (Richter)USGS National Earthquake Information CenterPreferred · Reviewed · ±0.128 · 8 stations
2.3ML, local (Richter)Alaska Earthquake CenterPreliminary

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 3.6 km horizontally, 3.3 km in depth
Magnitude uncertainty
±0.13
Depth from
From location
Station coverage gap
198°, poorly surrounded by stations
Stations used
11

Nearby

Within 100 km, magnitude 1.5 and up: 49 in the 60 days after this one and 97 in the 30 days before it.

After

  1. 2.8Rat Islands, Aleutian Islands, Alaska · 1364 days ago · 72 km deep · 8 km away
  2. 2.6Rat Islands, Aleutian Islands, Alaska · 1362 days ago · 71 km deep · 13 km away
  3. 4.2271 km W of Adak, Alaska · 1362 days ago · 190 km deep · 59 km away
  4. 2.7241 km W of Adak, Alaska · 1360 days ago · 151 km deep · 80 km away
  5. 2.6Rat Islands, Aleutian Islands, Alaska · 1360 days ago · 10 km deep · 33 km away
  6. 3.2Rat Islands, Aleutian Islands, Alaska · 1360 days ago · 168 km deep · 51 km away
  7. 3.4342 km W of Adak, Alaska · 1355 days ago · 113 km deep · 24 km away
  8. 3.2Rat Islands, Aleutian Islands, Alaska · 1355 days ago · 45 km deep · 54 km away
  9. 3.8Rat Islands, Aleutian Islands, Alaska · 1354 days ago · 80 km deep · 12 km away
  10. 3.2260 km WSW of Adak, Alaska · 1354 days ago · 56 km deep · 69 km away
  11. 4.1Rat Islands, Aleutian Islands, Alaska · 1354 days ago · 116 km deep · 41 km away
  12. 2.7Rat Islands, Aleutian Islands, Alaska · 1354 days ago · 72 km deep · 13 km away
  13. 4.2Rat Islands, Aleutian Islands, Alaska · 1353 days ago · 28 km deep · 46 km away
  14. 2.7Rat Islands, Aleutian Islands, Alaska · 1353 days ago · 70 km deep · 6 km away
  15. 3.7Rat Islands, Aleutian Islands, Alaska · 1352 days ago · 116 km deep · 43 km away
  16. 3.6Rat Islands, Aleutian Islands, Alaska · 1352 days ago · 111 km deep · 31 km away
  17. 2.1242 km WSW of Adak, Alaska · 1351 days ago · 9 km deep · 87 km away
  18. 2.8234 km W of Adak, Alaska · 1343 days ago · 10 km deep · 82 km away
  19. 3.2Rat Islands, Aleutian Islands, Alaska · 1343 days ago · 74 km deep · 31 km away
  20. 2.1253 km WSW of Adak, Alaska · 1340 days ago · 13 km deep · 78 km away
  21. 3.1Rat Islands, Aleutian Islands, Alaska · 1339 days ago · 120 km deep · 46 km away
  22. 3.4Rat Islands, Aleutian Islands, Alaska · 1339 days ago · 76 km deep · 12 km away
  23. 2.1249 km WSW of Adak, Alaska · 1338 days ago · 5 km deep · 72 km away
  24. 2.8Rat Islands, Aleutian Islands, Alaska · 1338 days ago · 77 km deep · 10 km away
  25. 3.1274 km WSW of Adak, Alaska · 1337 days ago · 65 km deep · 51 km away
  26. 2.8Rat Islands, Aleutian Islands, Alaska · 1336 days ago · 38 km deep · 42 km away
  27. 3.2299 km WSW of Adak, Alaska · 1334 days ago · 20 km deep · 77 km away
  28. 2.0261 km W of Adak, Alaska · 1332 days ago · 3 km deep · 61 km away
  29. 2.6288 km WSW of Adak, Alaska · 1331 days ago · 24 km deep · 77 km away
  30. 2.8Rat Islands, Aleutian Islands, Alaska · 1331 days ago · 35 km deep · 50 km away
  31. 3.4218 km W of Adak, Alaska · 1330 days ago · 91 km deep · 97 km away
  32. 4.4Rat Islands, Aleutian Islands, Alaska · 1329 days ago · 63 km deep · 32 km away
  33. 3.2Rat Islands, Aleutian Islands, Alaska · 1327 days ago · 75 km deep · 9 km away
  34. 3.9Rat Islands, Aleutian Islands, Alaska · 1319 days ago · 156 km deep · 57 km away
  35. 3.3299 km WSW of Adak, Alaska · 1316 days ago · 38 km deep · 44 km away
  36. 2.6Rat Islands, Aleutian Islands, Alaska · 1315 days ago · 67 km deep · 9 km away
  37. 4.2Rat Islands, Aleutian Islands, Alaska · 1315 days ago · 109 km deep · 43 km away
  38. 2.7258 km WSW of Adak, Alaska · 1315 days ago · 29 km deep · 83 km away
  39. 2.9Rat Islands, Aleutian Islands, Alaska · 1313 days ago · 73 km deep · 10 km away
  40. 3.0229 km WSW of Adak, Alaska · 1310 days ago · 72 km deep · 91 km away
  41. 2.6Rat Islands, Aleutian Islands, Alaska · 1309 days ago · 33 km deep · 83 km away
  42. 3.5Rat Islands, Aleutian Islands, Alaska · 1308 days ago · 35 km deep · 25 km away
  43. 2.6278 km WSW of Adak, Alaska · 1308 days ago · 27 km deep · 48 km away
  44. 4.2Rat Islands, Aleutian Islands, Alaska · 1308 days ago · 77 km deep · 7 km away
  45. 3.3Rat Islands, Aleutian Islands, Alaska · 1306 days ago · 110 km deep · 39 km away
  46. 3.7Rat Islands, Aleutian Islands, Alaska · 1305 days ago · 129 km deep · 46 km away
  47. 2.9293 km W of Adak, Alaska · 1305 days ago · 57 km deep · 25 km away
  48. 3.6295 km W of Adak, Alaska · 1304 days ago · 77 km deep · 28 km away
  49. 3.2Rat Islands, Aleutian Islands, Alaska · 1304 days ago · 109 km deep · 22 km away

Before

  1. 3.2Rat Islands, Aleutian Islands, Alaska · 1365 days ago · 54 km deep · 37 km away
  2. 2.8Rat Islands, Aleutian Islands, Alaska · 1366 days ago · 74 km deep · 7 km away
  3. 2.8325 km W of Adak, Alaska · 1367 days ago · 69 km deep · 11 km away
  4. 2.8267 km WSW of Adak, Alaska · 1367 days ago · 56 km deep · 62 km away
  5. 2.2244 km WSW of Adak, Alaska · 1367 days ago · 13 km deep · 100 km away
  6. 2.2Rat Islands, Aleutian Islands, Alaska · 1368 days ago · 68 km deep · 4 km away
  7. 2.9Rat Islands, Aleutian Islands, Alaska · 1368 days ago · 75 km deep · 11 km away
  8. 3.1Rat Islands, Aleutian Islands, Alaska · 1370 days ago · 83 km deep · 54 km away
  9. 3.0Rat Islands, Aleutian Islands, Alaska · 1371 days ago · 71 km deep · 10 km away
  10. 3.1Rat Islands, Aleutian Islands, Alaska · 1371 days ago · 75 km deep · 5 km away
  11. 3.0Rat Islands, Aleutian Islands, Alaska · 1371 days ago · 67 km deep · 21 km away
  12. 2.9Rat Islands, Aleutian Islands, Alaska · 1371 days ago · 70 km deep · 6 km away
  13. 3.1Rat Islands, Aleutian Islands, Alaska · 1371 days ago · 99 km deep · 18 km away
  14. 2.4228 km WSW of Adak, Alaska · 1377 days ago · 13 km deep · 92 km away
  15. 3.9Rat Islands, Aleutian Islands, Alaska · 1377 days ago · 110 km deep · 38 km away
  16. 2.8Rat Islands, Aleutian Islands, Alaska · 1377 days ago · 24 km deep · 81 km away
  17. 3.3Rat Islands, Aleutian Islands, Alaska · 1377 days ago · 81 km deep · 14 km away
  18. 3.6Rat Islands, Aleutian Islands, Alaska · 1378 days ago · 71 km deep · 3 km away
  19. 3.1Rat Islands, Aleutian Islands, Alaska · 1380 days ago · 132 km deep · 65 km away
  20. 3.1251 km W of Adak, Alaska · 1380 days ago · 96 km deep · 64 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000jj0d (also filed as ak023blmawk). Read Thu, Oct 1, 2026, 6:03 PM UTC.