Alaska earthquakes

M3.5 earthquake 241 km WSW of Adak, Alaska

A magnitude 3.5 earthquake struck 241 km WSW of Adak, Alaska on Sun, Jan 26, 2020, 5:49 PM GMT-12 (05:49 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M5.7 239 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
3.5 (mb), minor
Local time
UTC
2020-01-27 05:49:03 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
50.967° N, 179.794° W
Region
Alaska
Tsunami flag
No
Status
Reviewed by a seismologist

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 2.7 km horizontally, 2.0 km in depth
Magnitude uncertainty
±0.35
Depth from
Operator assigned
Station coverage gap
243°, poorly surrounded by stations
Stations used
20

Nearby

Within 100 km, magnitude 1.5 and up: 120 in the 60 days after this one and 132 in the 30 days before it.

After

  1. 2.5240 km WSW of Adak, Alaska · 2439 days ago · 10 km deep · 11 km away
  2. 2.6241 km WSW of Adak, Alaska · 2439 days ago · 10 km deep · 2 km away
  3. 2.8242 km WSW of Adak, Alaska · 2439 days ago · 10 km deep · 1 km away
  4. 2.7257 km WSW of Adak, Alaska · 2439 days ago · 22 km deep · 16 km away
  5. 5.1239 km WSW of Adak, Alaska · 2438 days ago · 10 km deep · 9 km away
  6. 2.4235 km WSW of Adak, Alaska · 2438 days ago · 15 km deep · 8 km away
  7. 2.9242 km WSW of Adak, Alaska · 2438 days ago · 10 km deep · 1 km away
  8. 4.0245 km WSW of Adak, Alaska · 2438 days ago · 10 km deep · 8 km away
  9. 3.8248 km WSW of Adak, Alaska · 2438 days ago · 10 km deep · 8 km away
  10. 2.4249 km WSW of Adak, Alaska · 2438 days ago · 26 km deep · 10 km away
  11. 2.2247 km WSW of Adak, Alaska · 2438 days ago · 26 km deep · 6 km away
  12. 2.2255 km WSW of Adak, Alaska · 2438 days ago · 25 km deep · 14 km away
  13. 5.4247 km WSW of Adak, Alaska · 2437 days ago · 10 km deep · 8 km away
  14. 3.3237 km WSW of Adak, Alaska · 2437 days ago · 13 km deep · 11 km away
  15. 2.2251 km WSW of Adak, Alaska · 2437 days ago · 16 km deep · 15 km away
  16. 2.0240 km WSW of Adak, Alaska · 2437 days ago · 13 km deep · 12 km away
  17. 2.6251 km WSW of Adak, Alaska · 2437 days ago · 20 km deep · 15 km away
  18. 4.0249 km WSW of Adak, Alaska · 2437 days ago · 10 km deep · 9 km away
  19. 3.7247 km WSW of Adak, AK · 2437 days ago · 10 km deep · 5 km away
  20. 2.6240 km WSW of Adak, Alaska · 2437 days ago · 14 km deep · 13 km away
  21. 2.8236 km WSW of Adak, Alaska · 2437 days ago · 10 km deep · 22 km away
  22. 3.2240 km WSW of Adak, Alaska · 2437 days ago · 10 km deep · 1 km away
  23. 3.9242 km WSW of Adak, Alaska · 2437 days ago · 17 km deep · 7 km away
  24. 2.1Andreanof Islands, Aleutian Islands, Alaska · 2436 days ago · 13 km deep · 4 km away
  25. 1.8Andreanof Islands, Aleutian Islands, Alaska · 2436 days ago · 13 km deep · 36 km away
  26. 1.8241 km WSW of Adak, Alaska · 2436 days ago · 13 km deep · 14 km away
  27. 2.4226 km W of Adak, Alaska · 2436 days ago · 13 km deep · 89 km away
  28. 4.4240 km WSW of Adak, Alaska · 2436 days ago · 22 km deep · 10 km away
  29. 2.0249 km WSW of Adak, Alaska · 2436 days ago · 26 km deep · 9 km away
  30. 2.4239 km WSW of Adak, Alaska · 2434 days ago · 11 km deep · 8 km away
  31. 2.5238 km WSW of Adak, Alaska · 2434 days ago · 10 km deep · 12 km away
  32. 2.6204 km WSW of Adak, Alaska · 2434 days ago · 76 km deep · 65 km away
  33. 2.6163 km WSW of Adak, AK · 2433 days ago · 35 km deep · 82 km away
  34. 3.0242 km WSW of Adak, Alaska · 2432 days ago · 17 km deep · 10 km away
  35. 4.1272 km WSW of Adak, Alaska · 2432 days ago · 30 km deep · 42 km away
  36. 3.1268 km WSW of Adak, Alaska · 2432 days ago · 10 km deep · 33 km away
  37. 4.2229 km W of Adak, Alaska · 2431 days ago · 97 km deep · 88 km away
  38. 2.9239 km WSW of Adak, Alaska · 2431 days ago · 17 km deep · 25 km away
  39. 2.3210 km WSW of Adak, Alaska · 2430 days ago · 5 km deep · 35 km away
  40. 2.2214 km WSW of Adak, Alaska · 2430 days ago · 13 km deep · 30 km away
  41. 3.2Andreanof Islands, Aleutian Islands, Alaska · 2429 days ago · 14 km deep · 21 km away
  42. 2.9240 km WSW of Adak, Alaska · 2428 days ago · 17 km deep · 27 km away
  43. 2.2253 km W of Adak, Alaska · 2428 days ago · 67 km deep · 76 km away
  44. 3.6274 km WSW of Adak, Alaska · 2425 days ago · 68 km deep · 75 km away
  45. 4.0244 km WSW of Adak, Alaska · 2422 days ago · 35 km deep · 16 km away
  46. 2.6260 km WSW of Adak, Alaska · 2419 days ago · 64 km deep · 68 km away
  47. 2.5188 km WSW of Adak, Alaska · 2419 days ago · 27 km deep · 55 km away
  48. 2.8219 km WSW of Adak, Alaska · 2419 days ago · 6 km deep · 37 km away
  49. 2.8273 km SW of Adak, Alaska · 2418 days ago · 10 km deep · 90 km away
  50. 3.0187 km WSW of Adak, Alaska · 2417 days ago · 35 km deep · 54 km away
  51. 2.4243 km WSW of Adak, Alaska · 2416 days ago · 15 km deep · 8 km away
  52. 3.0294 km SW of Adak, Alaska · 2415 days ago · 10 km deep · 67 km away
  53. 1.9150 km WSW of Adak, Alaska · 2414 days ago · 17 km deep · 93 km away
  54. 1.9239 km WSW of Adak, Alaska · 2414 days ago · 13 km deep · 15 km away
  55. 5.3216 km WSW of Adak, Alaska · 2414 days ago · 10 km deep · 40 km away · tsunami flag
  56. 4.6216 km WSW of Adak, Alaska · 2414 days ago · 10 km deep · 35 km away
  57. 2.9212 km WSW of Adak, Alaska · 2414 days ago · 10 km deep · 37 km away
  58. 3.3219 km WSW of Adak, Alaska · 2414 days ago · 10 km deep · 38 km away
  59. 2.5215 km WSW of Adak, Alaska · 2414 days ago · 10 km deep · 35 km away
  60. 2.8216 km WSW of Adak, Alaska · 2413 days ago · 9 km deep · 36 km away

The first 60 of 120.

Before

  1. 1.9248 km WSW of Adak, Alaska · 2439 days ago · 13 km deep · 11 km away
  2. 4.0237 km WSW of Adak, Alaska · 2439 days ago · 10 km deep · 5 km away
  3. 2.7Andreanof Islands, Aleutian Islands, Alaska · 2439 days ago · 11 km deep · 11 km away
  4. 3.1239 km WSW of Adak, Alaska · 2439 days ago · 16 km deep · 11 km away
  5. 2.5234 km WSW of Adak, Alaska · 2439 days ago · 15 km deep · 13 km away
  6. 2.7245 km WSW of Adak, Alaska · 2439 days ago · 15 km deep · 6 km away
  7. 3.9249 km WSW of Adak, Alaska · 2439 days ago · 10 km deep · 9 km away
  8. 2.6246 km WSW of Adak, Alaska · 2439 days ago · 22 km deep · 9 km away
  9. 4.4247 km WSW of Adak, Alaska · 2439 days ago · 10 km deep · 6 km away
  10. 3.8249 km WSW of Adak, Alaska · 2439 days ago · 10 km deep · 9 km away
  11. 4.4248 km WSW of Adak, Alaska · 2439 days ago · 10 km deep · 8 km away
  12. 4.3247 km WSW of Adak, Alaska · 2439 days ago · 10 km deep · 6 km away
  13. 2.9255 km WSW of Adak, Alaska · 2439 days ago · 10 km deep · 20 km away
  14. 4.8250 km WSW of Adak, Alaska · 2439 days ago · 10 km deep · 9 km away
  15. 3.0242 km WSW of Adak, Alaska · 2439 days ago · 10 km deep · 7 km away
  16. 5.7246 km WSW of Adak, Alaska · 2439 days ago · 35 km deep · 17 km away · tsunami flag
  17. 4.0252 km WSW of Adak, Alaska · 2439 days ago · 10 km deep · 15 km away
  18. 2.8249 km WSW of Adak, Alaska · 2439 days ago · 10 km deep · 9 km away
  19. 4.2247 km WSW of Adak, Alaska · 2439 days ago · 10 km deep · 7 km away
  20. 2.8241 km WSW of Adak, Alaska · 2439 days ago · 23 km deep · 8 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us70007l0c (also filed as ak02018qs1ok). Read Thu, Oct 1, 2026, 1:09 AM UTC.