Alaska earthquakes

M3.0 earthquake 177 km SSE of Atka, Alaska

A magnitude 3.0 earthquake struck 177 km SSE of Atka, Alaska on Thu, May 13, 2021, 3:55 PM HADT (00:55 UTC), 22 km (13 mi) below the surface.

A larger quake followed: M4.2 95 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
3.0 (ml), minor
Local time
UTC
2021-05-14 00:55:00 UTC
Depth
21.6 km (13.4 mi), shallow
Epicenter
50.748° N, 173.132° 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 5.1 km horizontally, 13.8 km in depth
Magnitude uncertainty
±0.13
Depth from
From location
Station coverage gap
250°, poorly surrounded by stations
Stations used
22

Nearby

Within 100 km, magnitude 1.5 and up: 18 in the 60 days after this one and 7 in the 30 days before it.

After

  1. 2.1140 km SSE of Atka, Alaska · 1957 days ago · 38 km deep · 39 km away
  2. 4.295 km SE of Atka, Alaska · 1953 days ago · 16 km deep · 90 km away
  3. 3.6123 km SSE of Atka, Alaska · 1953 days ago · 39 km deep · 58 km away
  4. 4.198 km SE of Atka, Alaska · 1953 days ago · 45 km deep · 85 km away
  5. 4.099 km SE of Atka, Alaska · 1952 days ago · 35 km deep · 86 km away
  6. 2.4118 km SSE of Atka, Alaska · 1943 days ago · 37 km deep · 68 km away
  7. 3.3107 km SSE of Atka, Alaska · 1941 days ago · 33 km deep · 73 km away
  8. 2.0141 km SE of Atka, Alaska · 1940 days ago · 24 km deep · 69 km away
  9. 2.6163 km S of Atka, Alaska · 1939 days ago · 27 km deep · 79 km away
  10. 2.5159 km SSE of Atka, Alaska · 1937 days ago · 10 km deep · 26 km away
  11. 3.2Andreanof Islands, Aleutian Islands, Alaska · 1934 days ago · 35 km deep · 91 km away
  12. 2.9Andreanof Islands, Aleutian Islands, Alaska · 1933 days ago · 35 km deep · 82 km away
  13. 4.189 km SSE of Atka, Alaska · 1932 days ago · 30 km deep · 89 km away
  14. 2.994 km SE of Atka, Alaska · 1921 days ago · 11 km deep · 86 km away
  15. 2.4135 km SSE of Atka, Alaska · 1916 days ago · 32 km deep · 55 km away
  16. 2.2146 km S of Atka, Alaska · 1914 days ago · 34 km deep · 60 km away
  17. 3.0210 km S of Atka, Alaska · 1911 days ago · 32 km deep · 83 km away
  18. 1.883 km SSE of Atka, Alaska · 1902 days ago · 28 km deep · 94 km away

Before

  1. 2.684 km SSE of Atka, Alaska · 1961 days ago · 35 km deep · 93 km away
  2. 3.7126 km SSE of Atka, Alaska · 1973 days ago · 38 km deep · 51 km away
  3. 2.194 km SE of Atka, Alaska · 1976 days ago · 18 km deep · 91 km away
  4. 2.5191 km SSE of Atka, Alaska · 1981 days ago · 10 km deep · 26 km away
  5. 4.0163 km SE of Atka, Alaska · 1984 days ago · 26 km deep · 65 km away
  6. 2.0124 km S of Atka, Alaska · 1987 days ago · 18 km deep · 93 km away
  7. 1.978 km SSE of Atka, Alaska · 1988 days ago · 17 km deep · 99 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000ell2 (also filed as ak02165mc7gg). Read Sat, Sep 26, 2026, 12:28 AM UTC.