Alaska earthquakes

M2.7 earthquake 103 km ENE of Atka, Alaska

A magnitude 2.7 earthquake struck 103 km ENE of Atka, Alaska on Sat, Feb 15, 2020, 10:28 PM HAST (08:28 UTC), 117 km (73 mi) below the surface.

A larger quake followed: M3.8 24 km SE 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
2.7 (ml), micro
Local time
UTC
2020-02-16 08:28:08 UTC
Depth
117.1 km (72.7 mi), intermediate-depth
Epicenter
52.462° N, 172.750° 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 15.7 km horizontally, 5.5 km in depth
Magnitude uncertainty
±0.12
Depth from
From location
Station coverage gap
175°
Stations used
26

Nearby

Within 100 km, magnitude 1.5 and up: 16 in the 60 days after this one and 10 in the 30 days before it.

After

  1. 2.369 km E of Atka, Alaska · 2414 days ago · 100 km deep · 37 km away
  2. 3.571 km E of Atka, Alaska · 2412 days ago · 10 km deep · 43 km away
  3. 3.4110 km ENE of Atka, Alaska · 2397 days ago · 223 km deep · 7 km away
  4. 2.8183 km E of Atka, Alaska · 2394 days ago · 26 km deep · 99 km away
  5. 2.677 km NE of Atka, Alaska · 2394 days ago · 10 km deep · 59 km away
  6. 3.367 km E of Atka, Alaska · 2392 days ago · 195 km deep · 51 km away
  7. 1.718 km ESE of Atka, Alaska · 2389 days ago · 73 km deep · 89 km away
  8. 2.122 km N of Atka, Alaska · 2377 days ago · 162 km deep · 96 km away
  9. 2.8130 km ESE of Atka, Alaska · 2375 days ago · 35 km deep · 73 km away
  10. 3.766 km SE of Atka, Alaska · 2374 days ago · 36 km deep · 95 km away
  11. 2.377 km N of Atka, Alaska · 2373 days ago · 166 km deep · 97 km away
  12. 3.824 km SE of Atka, Alaska · 2373 days ago · 191 km deep · 98 km away
  13. 2.832 km ESE of Atka, Alaska · 2369 days ago · 189 km deep · 76 km away
  14. 2.973 km SE of Atka, Alaska · 2368 days ago · 35 km deep · 80 km away
  15. 3.181 km E of Atka, Alaska · 2362 days ago · 106 km deep · 25 km away
  16. 2.965 km ESE of Atka, Alaska · 2360 days ago · 60 km deep · 57 km away

Before

  1. 2.422 km ESE of Atka, Alaska · 2419 days ago · 170 km deep · 84 km away
  2. 3.094 km E of Atka, Alaska · 2421 days ago · 112 km deep · 43 km away
  3. 2.338 km ESE of Atka, Alaska · 2421 days ago · 6 km deep · 80 km away
  4. 2.335 km ESE of Atka, Alaska · 2421 days ago · 6 km deep · 83 km away
  5. 2.031 km ESE of Atka, Alaska · 2425 days ago · 15 km deep · 85 km away
  6. 2.389 km ESE of Atka, Alaska · 2431 days ago · 41 km deep · 69 km away
  7. 3.744 km ENE of Atka, Alaska · 2441 days ago · 179 km deep · 59 km away
  8. 2.571 km NNE of Atka, Alaska · 2444 days ago · 165 km deep · 93 km away
  9. 2.152 km E of Atka, Alaska · 2446 days ago · 15 km deep · 56 km away
  10. 3.6130 km E of Atka, Alaska · 2447 days ago · 30 km deep · 56 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000844z (also filed as ak02025v6tu5). Read Wed, Sep 30, 2026, 11:17 PM UTC.