Alaska earthquakes

M2.9 earthquake 266 km WSW of Adak, Alaska

A magnitude 2.9 earthquake struck 266 km WSW of Adak, Alaska on Wed, Nov 20, 2019, 7:25 AM GMT+12 (19:25 UTC), 35 km (22 mi) below the surface.

A larger quake followed: M4.9 209 km WSW of Adak, 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
2.9 (ML, local (Richter)), micro
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2019-11-19 19:25:02 UTC
Depth
35.0 km (21.7 mi), shallow
Epicenter
51.213° N, 179.671° 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
2.9ML, local (Richter)USGS National Earthquake Information CenterPreferred · Reviewed · ±0.105 · 12 stations
2.6ML, 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 4.7 km horizontally, 2.0 km in depth
Magnitude uncertainty
±0.10
Depth from
Operator assigned
Station coverage gap
223°, poorly surrounded by stations
Stations used
41

Nearby

Within 100 km, magnitude 1.5 and up: 65 in the 60 days after this one and 43 in the 30 days before it.

After

  1. 2.5Rat Islands, Aleutian Islands, Alaska · 2507 days ago · 49 km deep · 69 km away
  2. 2.8298 km W of Adak, Alaska · 2507 days ago · 75 km deep · 63 km away
  3. 4.2Rat Islands, Aleutian Islands, Alaska · 2507 days ago · 23 km deep · 69 km away
  4. 2.0Andreanof Islands, Aleutian Islands, Alaska · 2505 days ago · 13 km deep · 32 km away
  5. 4.9209 km WSW of Adak, Alaska · 2503 days ago · 10 km deep · 87 km away
  6. 2.7211 km WSW of Adak, Alaska · 2503 days ago · 11 km deep · 90 km away
  7. 3.0209 km WSW of Adak, Alaska · 2503 days ago · 10 km deep · 89 km away
  8. 4.5212 km SW of Adak, Alaska · 2503 days ago · 10 km deep · 94 km away
  9. 3.0211 km WSW of Adak, Alaska · 2503 days ago · 9 km deep · 87 km away
  10. 2.7211 km WSW of Adak, Alaska · 2503 days ago · 10 km deep · 88 km away
  11. 4.2209 km SW of Adak, Alaska · 2503 days ago · 10 km deep · 94 km away
  12. 4.0218 km SW of Adak, Alaska · 2503 days ago · 10 km deep · 96 km away
  13. 4.2213 km SW of Adak, Alaska · 2503 days ago · 10 km deep · 97 km away
  14. 2.5208 km WSW of Adak, Alaska · 2503 days ago · 23 km deep · 84 km away
  15. 2.5210 km WSW of Adak, Alaska · 2503 days ago · 21 km deep · 88 km away
  16. 2.6212 km WSW of Adak, Alaska · 2503 days ago · 20 km deep · 84 km away
  17. 2.4207 km WSW of Adak, Alaska · 2503 days ago · 13 km deep · 84 km away
  18. 2.3208 km WSW of Adak, Alaska · 2503 days ago · 6 km deep · 84 km away
  19. 4.2207 km WSW of Adak, Alaska · 2503 days ago · 10 km deep · 77 km away
  20. 3.6206 km SW of Adak, Alaska · 2503 days ago · 10 km deep · 97 km away
  21. 2.7227 km W of Adak, Alaska · 2502 days ago · 109 km deep · 59 km away
  22. 4.2217 km WSW of Adak, Alaska · 2501 days ago · 10 km deep · 83 km away
  23. 2.8265 km WSW of Adak, Alaska · 2500 days ago · 61 km deep · 23 km away
  24. 2.6272 km WSW of Adak, Alaska · 2500 days ago · 50 km deep · 16 km away
  25. 2.2182 km WSW of Adak, Alaska · 2500 days ago · 27 km deep · 94 km away
  26. 2.2256 km W of Adak, Alaska · 2499 days ago · 82 km deep · 61 km away
  27. 2.7226 km W of Adak, Alaska · 2499 days ago · 105 km deep · 62 km away
  28. 3.1199 km WSW of Adak, Alaska · 2498 days ago · 27 km deep · 73 km away
  29. 3.8262 km W of Adak, Alaska · 2497 days ago · 191 km deep · 91 km away
  30. 3.0176 km W of Adak, Alaska · 2494 days ago · 80 km deep · 93 km away
  31. 2.8169 km WSW of Adak, Alaska · 2491 days ago · 98 km deep · 96 km away
  32. 2.1207 km W of Adak, Alaska · 2491 days ago · 13 km deep · 69 km away
  33. 2.3199 km WSW of Adak, Alaska · 2490 days ago · 26 km deep · 72 km away
  34. 4.4170 km W of Adak, Alaska · 2489 days ago · 86 km deep · 99 km away
  35. 2.4Rat Islands, Aleutian Islands, Alaska · 2487 days ago · 81 km deep · 80 km away
  36. 4.5Rat Islands, Aleutian Islands, Alaska · 2487 days ago · 61 km deep · 60 km away
  37. 2.3Rat Islands, Aleutian Islands, Alaska · 2487 days ago · 5 km deep · 84 km away
  38. 2.1Rat Islands, Aleutian Islands, Alaska · 2485 days ago · 12 km deep · 60 km away
  39. 4.1Rat Islands, Aleutian Islands, Alaska · 2484 days ago · 43 km deep · 78 km away
  40. 1.8172 km WSW of Adak, Alaska · 2484 days ago · 22 km deep · 94 km away
  41. 3.0Rat Islands, Aleutian Islands, Alaska · 2483 days ago · 101 km deep · 95 km away
  42. 2.1Rat Islands, Aleutian Islands, Alaska · 2482 days ago · 43 km deep · 62 km away
  43. 2.3Rat Islands, Aleutian Islands, Alaska · 2477 days ago · 42 km deep · 61 km away
  44. 3.5222 km W of Adak, Alaska · 2475 days ago · 107 km deep · 63 km away
  45. 4.0216 km W of Adak, Alaska · 2469 days ago · 98 km deep · 76 km away
  46. 3.0Rat Islands, Aleutian Islands, Alaska · 2469 days ago · 35 km deep · 70 km away
  47. 2.2195 km WSW of Adak, Alaska · 2465 days ago · 18 km deep · 74 km away
  48. 2.1240 km WSW of Adak, Alaska · 2465 days ago · 67 km deep · 37 km away
  49. 4.3207 km WSW of Adak, Alaska · 2464 days ago · 44 km deep · 70 km away
  50. 4.8209 km WSW of Adak, Alaska · 2464 days ago · 41 km deep · 69 km away
  51. 2.5212 km WSW of Adak, Alaska · 2464 days ago · 23 km deep · 67 km away
  52. 1.9205 km WSW of Adak, Alaska · 2464 days ago · 25 km deep · 61 km away
  53. 2.0204 km W of Adak, Alaska · 2463 days ago · 71 km deep · 67 km away
  54. 4.8216 km WSW of Adak, Alaska · 2461 days ago · 27 km deep · 66 km away
  55. 2.1214 km WSW of Adak, Alaska · 2461 days ago · 7 km deep · 67 km away
  56. 2.2253 km W of Adak, Alaska · 2461 days ago · 83 km deep · 44 km away
  57. 2.1237 km W of Adak, Alaska · 2461 days ago · 166 km deep · 74 km away
  58. 2.4271 km W of Adak, Alaska · 2460 days ago · 73 km deep · 56 km away
  59. 3.5245 km WSW of Adak, Alaska · 2457 days ago · 75 km deep · 29 km away
  60. 2.4240 km WSW of Adak, Alaska · 2454 days ago · 13 km deep · 44 km away

The first 60 of 65.

Before

  1. 2.6219 km WSW of Adak, Alaska · 2509 days ago · 18 km deep · 48 km away
  2. 2.0226 km W of Adak, Alaska · 2511 days ago · 69 km deep · 50 km away
  3. 1.8182 km WSW of Adak, Alaska · 2511 days ago · 24 km deep · 95 km away
  4. 2.1268 km W of Adak, Alaska · 2512 days ago · 67 km deep · 38 km away
  5. 1.9Rat Islands, Aleutian Islands, Alaska · 2512 days ago · 13 km deep · 92 km away
  6. 1.9270 km W of Adak, Alaska · 2514 days ago · 63 km deep · 32 km away
  7. 1.8261 km W of Adak, Alaska · 2514 days ago · 17 km deep · 73 km away
  8. 2.1248 km WSW of Adak, Alaska · 2515 days ago · 12 km deep · 31 km away
  9. 2.0Andreanof Islands, Aleutian Islands, Alaska · 2515 days ago · 3 km deep · 31 km away
  10. 2.9293 km W of Adak, Alaska · 2516 days ago · 31 km deep · 44 km away
  11. 2.1226 km W of Adak, Alaska · 2516 days ago · 129 km deep · 84 km away
  12. 2.1254 km WSW of Adak, Alaska · 2517 days ago · 14 km deep · 24 km away
  13. 2.0196 km WSW of Adak, Alaska · 2517 days ago · 22 km deep · 71 km away
  14. 2.3211 km WSW of Adak, Alaska · 2517 days ago · 7 km deep · 78 km away
  15. 2.2Andreanof Islands, Aleutian Islands, Alaska · 2517 days ago · 17 km deep · 74 km away
  16. 2.1266 km WSW of Adak, Alaska · 2518 days ago · 62 km deep · 27 km away
  17. 3.4Rat Islands, Aleutian Islands, Alaska · 2519 days ago · 35 km deep · 98 km away
  18. 1.6290 km WSW of Adak, Alaska · 2519 days ago · 43 km deep · 38 km away
  19. 3.2291 km WSW of Adak, Alaska · 2520 days ago · 25 km deep · 29 km away
  20. 2.0Rat Islands, Aleutian Islands, Alaska · 2521 days ago · 39 km deep · 64 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us70006d0b (also filed as ak019eui1p49). Read Thu, Oct 1, 2026, 4:18 PM UTC.