Alaska earthquakes

M2.5 earthquake 71 km NNE of Atka, Alaska

A magnitude 2.5 earthquake struck 71 km NNE of Atka, Alaska on Wed, Jan 22, 2020, 12:21 AM HAST (10:21 UTC), 165 km (102 mi) below the surface.

A larger quake followed: M3.7 44 km ENE of Atka, 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
2.5 (ml), micro
Local time
UTC
2020-01-22 10:21:29 UTC
Depth
164.9 km (102.5 mi), intermediate-depth
Epicenter
52.824° N, 173.994° 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 11.0 km horizontally, 8.2 km in depth
Depth from
From location
Station coverage gap
118°
Stations used
31

Nearby

Within 100 km, magnitude 1.5 and up: 22 in the 60 days after this one and 6 in the 30 days before it.

After

  1. 3.744 km ENE of Atka, Alaska · 2441 days ago · 179 km deep · 61 km away
  2. 2.744 km W of Atka, Alaska · 2439 days ago · 14 km deep · 96 km away
  3. 3.225 km WNW of Atka, Alaska · 2436 days ago · 226 km deep · 70 km away
  4. 2.031 km ESE of Atka, Alaska · 2425 days ago · 15 km deep · 87 km away
  5. 2.335 km ESE of Atka, Alaska · 2421 days ago · 6 km deep · 89 km away
  6. 2.338 km ESE of Atka, Alaska · 2421 days ago · 6 km deep · 90 km away
  7. 2.422 km ESE of Atka, Alaska · 2419 days ago · 170 km deep · 75 km away
  8. 2.7103 km ENE of Atka, Alaska · 2419 days ago · 117 km deep · 93 km away
  9. 2.369 km E of Atka, Alaska · 2414 days ago · 100 km deep · 81 km away
  10. 3.571 km E of Atka, Alaska · 2412 days ago · 10 km deep · 93 km away
  11. 1.718 km SW of Atka, Alaska · 2407 days ago · 71 km deep · 87 km away
  12. 2.946 km W of Atka, Alaska · 2407 days ago · 110 km deep · 89 km away
  13. 3.4110 km ENE of Atka, Alaska · 2398 days ago · 223 km deep · 99 km away
  14. 2.837 km W of Atka, Alaska · 2395 days ago · 85 km deep · 90 km away
  15. 2.677 km NE of Atka, Alaska · 2394 days ago · 10 km deep · 35 km away
  16. 3.367 km E of Atka, Alaska · 2392 days ago · 195 km deep · 95 km away
  17. 1.924 km WNW of Atka, Alaska · 2392 days ago · 76 km deep · 71 km away
  18. 3.023 km WSW of Atka, Alaska · 2389 days ago · 184 km deep · 87 km away
  19. 2.845 km W of Atka, Alaska · 2389 days ago · 247 km deep · 91 km away
  20. 1.718 km ESE of Atka, Alaska · 2389 days ago · 73 km deep · 76 km away
  21. 1.811 km N of Atka, Alaska · 2385 days ago · 4 km deep · 60 km away
  22. 3.038 km NNW of Atka, Alaska · 2385 days ago · 227 km deep · 44 km away

Before

  1. 2.152 km E of Atka, Alaska · 2446 days ago · 15 km deep · 82 km away
  2. 4.3108 km NE of Atka, Alaska · 2454 days ago · 230 km deep · 55 km away
  3. 1.715 km SSW of Atka, Alaska · 2457 days ago · 11 km deep · 86 km away
  4. 2.234 km ESE of Atka, Alaska · 2458 days ago · 10 km deep · 86 km away
  5. 1.620 km ESE of Atka, Alaska · 2462 days ago · 14 km deep · 79 km away
  6. 2.167 km E of Atka, Alaska · 2471 days ago · 91 km deep · 86 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us60007mvl (also filed as ak02010jwjf1). Read Thu, Oct 1, 2026, 12:49 AM UTC.