Alaska earthquakes

M3.8 earthquake 262 km W of Adak, Alaska

A magnitude 3.8 earthquake struck 262 km W of Adak, Alaska on Sat, Nov 30, 2019, 5:46 PM GMT+12 (05:46 UTC), 191 km (118 mi) below the surface.

A larger quake followed: M5.4 237 km WSW of Adak, Alaska. This one was a foreshock.

More in Alaska

Map

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

Open the live map with earthquakes

The earthquake

Magnitude
3.8 (mb, body-wave), minor
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2019-11-30 05:46:58 UTC
Depth
190.7 km (118.5 mi), intermediate-depth
Epicenter
52.028° N, 179.552° 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
3.8mb, body-waveUSGS National Earthquake Information CenterPreferred · Reviewed · ±0.136 · 14 stations
2.8ML, 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 8.5 km horizontally, 6.6 km in depth
Magnitude uncertainty
±0.14
Depth from
From location
Station coverage gap
107°
Stations used
51

Nearby

Within 100 km, magnitude 1.5 and up: 43 in the 60 days after this one and 29 in the 30 days before it.

After

  1. 1.9Rat Islands, Aleutian Islands, Alaska · 2496 days ago · 95 km deep · 78 km away
  2. 2.1207 km W of Adak, Alaska · 2491 days ago · 13 km deep · 71 km away
  3. 2.7Rat Islands, Aleutian Islands, Alaska · 2490 days ago · 126 km deep · 82 km away
  4. 2.4Rat Islands, Aleutian Islands, Alaska · 2488 days ago · 81 km deep · 63 km away
  5. 4.5Rat Islands, Aleutian Islands, Alaska · 2487 days ago · 61 km deep · 80 km away
  6. 2.3Rat Islands, Aleutian Islands, Alaska · 2487 days ago · 5 km deep · 99 km away
  7. 1.9172 km W of Adak, Alaska · 2485 days ago · 7 km deep · 97 km away
  8. 2.1Rat Islands, Aleutian Islands, Alaska · 2485 days ago · 12 km deep · 95 km away
  9. 3.0Rat Islands, Aleutian Islands, Alaska · 2483 days ago · 101 km deep · 90 km away
  10. 2.1Rat Islands, Aleutian Islands, Alaska · 2482 days ago · 43 km deep · 84 km away
  11. 2.3Rat Islands, Aleutian Islands, Alaska · 2477 days ago · 42 km deep · 81 km away
  12. 3.5222 km W of Adak, Alaska · 2475 days ago · 107 km deep · 55 km away
  13. 1.7168 km W of Adak, Alaska · 2472 days ago · 12 km deep · 99 km away
  14. 2.8Rat Islands, Aleutian Islands, Alaska · 2472 days ago · 129 km deep · 90 km away
  15. 4.0216 km W of Adak, Alaska · 2469 days ago · 98 km deep · 53 km away
  16. 3.0Rat Islands, Aleutian Islands, Alaska · 2469 days ago · 35 km deep · 81 km away
  17. 4.1Rat Islands, Aleutian Islands, Alaska · 2467 days ago · 140 km deep · 91 km away
  18. 2.1240 km WSW of Adak, Alaska · 2465 days ago · 67 km deep · 64 km away
  19. 1.9205 km WSW of Adak, Alaska · 2464 days ago · 25 km deep · 98 km away
  20. 2.0204 km W of Adak, Alaska · 2463 days ago · 71 km deep · 80 km away
  21. 2.2253 km W of Adak, Alaska · 2461 days ago · 83 km deep · 49 km away
  22. 2.8Rat Islands, Aleutian Islands, Alaska · 2461 days ago · 136 km deep · 90 km away
  23. 2.1237 km W of Adak, Alaska · 2461 days ago · 166 km deep · 30 km away
  24. 2.4271 km W of Adak, Alaska · 2460 days ago · 73 km deep · 38 km away
  25. 3.5245 km WSW of Adak, Alaska · 2457 days ago · 75 km deep · 70 km away
  26. 4.9Rat Islands, Aleutian Islands, Alaska · 2454 days ago · 139 km deep · 94 km away
  27. 2.0Rat Islands, Aleutian Islands, Alaska · 2451 days ago · 4 km deep · 77 km away
  28. 1.7Rat Islands, Aleutian Islands, Alaska · 2451 days ago · -3 km deep · 83 km away
  29. 3.9Rat Islands, Aleutian Islands, Alaska · 2451 days ago · 10 km deep · 89 km away
  30. 1.9Rat Islands, Aleutian Islands, Alaska · 2451 days ago · 3 km deep · 82 km away
  31. 2.3196 km WSW of Adak, Alaska · 2451 days ago · 67 km deep · 95 km away
  32. 1.5Rat Islands, Aleutian Islands, Alaska · 2450 days ago · 7 km deep · 83 km away
  33. 2.2205 km WSW of Adak, Alaska · 2450 days ago · 24 km deep · 100 km away
  34. 2.0257 km W of Adak, Alaska · 2447 days ago · 93 km deep · 35 km away
  35. 2.1Rat Islands, Aleutian Islands, Alaska · 2446 days ago · 51 km deep · 72 km away
  36. 1.5272 km W of Adak, Alaska · 2446 days ago · 26 km deep · 56 km away
  37. 2.8289 km W of Adak, Alaska · 2445 days ago · 63 km deep · 69 km away
  38. 4.4289 km W of Adak, Alaska · 2443 days ago · 10 km deep · 57 km away
  39. 3.5261 km W of Adak, Alaska · 2441 days ago · 167 km deep · 15 km away
  40. 3.2264 km WSW of Adak, Alaska · 2441 days ago · 29 km deep · 95 km away
  41. 2.9264 km WSW of Adak, Alaska · 2441 days ago · 64 km deep · 67 km away
  42. 5.4237 km WSW of Adak, Alaska · 2440 days ago · 40 km deep · 95 km away
  43. 3.8239 km WSW of Adak, Alaska · 2440 days ago · 35 km deep · 82 km away

Before

  1. 2.7226 km W of Adak, Alaska · 2499 days ago · 105 km deep · 52 km away
  2. 2.2256 km W of Adak, Alaska · 2499 days ago · 82 km deep · 30 km away
  3. 2.6272 km WSW of Adak, Alaska · 2500 days ago · 50 km deep · 78 km away
  4. 2.8265 km WSW of Adak, Alaska · 2500 days ago · 61 km deep · 68 km away
  5. 2.7227 km W of Adak, Alaska · 2502 days ago · 109 km deep · 53 km away
  6. 2.0Andreanof Islands, Aleutian Islands, Alaska · 2505 days ago · 13 km deep · 91 km away
  7. 4.2Rat Islands, Aleutian Islands, Alaska · 2507 days ago · 23 km deep · 91 km away
  8. 2.8298 km W of Adak, Alaska · 2508 days ago · 75 km deep · 55 km away
  9. 2.5Rat Islands, Aleutian Islands, Alaska · 2508 days ago · 49 km deep · 89 km away
  10. 2.9266 km WSW of Adak, Alaska · 2508 days ago · 35 km deep · 91 km away
  11. 2.6219 km WSW of Adak, Alaska · 2509 days ago · 18 km deep · 84 km away
  12. 2.0171 km W of Adak, Alaska · 2509 days ago · 7 km deep · 96 km away
  13. 2.0226 km W of Adak, Alaska · 2512 days ago · 69 km deep · 65 km away
  14. 2.1268 km W of Adak, Alaska · 2512 days ago · 67 km deep · 54 km away
  15. 1.9270 km W of Adak, Alaska · 2514 days ago · 63 km deep · 61 km away
  16. 1.8261 km W of Adak, Alaska · 2514 days ago · 17 km deep · 18 km away
  17. 1.9Rat Islands, Aleutian Islands, Alaska · 2516 days ago · 90 km deep · 75 km away
  18. 2.9293 km W of Adak, Alaska · 2516 days ago · 31 km deep · 69 km away
  19. 2.1226 km W of Adak, Alaska · 2516 days ago · 129 km deep · 37 km away
  20. 2.1266 km WSW of Adak, Alaska · 2519 days ago · 62 km deep · 65 km away

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us60006qvr (also filed as ak019fcgr2fj). Read Thu, Oct 1, 2026, 7:11 PM UTC.