Alaska earthquakes

M2.2 earthquake 181 km SSE of Atka, Alaska

A magnitude 2.2 earthquake struck 181 km SSE of Atka, Alaska on Tue, Feb 2, 2021, 3:40 PM HAST (01:40 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M3.9 193 km S of Atka, Alaska. This one was a foreshock.

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The earthquake

Magnitude
2.2 (ml), micro
Local time
UTC
2021-02-03 01:40:10 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
50.641° N, 173.437° 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.

Stations used
17

Nearby

Within 100 km, magnitude 1.5 and up: 9 in the 60 days after this one and 6 in the 30 days before it.

After

  1. 3.9193 km S of Atka, Alaska · 2066 days ago · 10 km deep · 85 km away
  2. 3.498 km S of Atka, Alaska · 2059 days ago · 10 km deep · 93 km away
  3. 2.9151 km SSE of Atka, Alaska · 2050 days ago · 10 km deep · 32 km away
  4. 2.3203 km S of Atka, Alaska · 2049 days ago · 10 km deep · 45 km away
  5. 2.2128 km S of Atka, Alaska · 2042 days ago · 7 km deep · 74 km away
  6. 2.6138 km SSE of Atka, Alaska · 2032 days ago · 23 km deep · 45 km away
  7. 2.6181 km S of Atka, Alaska · 2025 days ago · 25 km deep · 90 km away
  8. 2.6121 km SSE of Atka, Alaska · 2021 days ago · 35 km deep · 60 km away
  9. 2.7100 km SSE of Atka, Alaska · 2018 days ago · 35 km deep · 81 km away

Before

  1. 3.193 km S of Atka, Alaska · 2084 days ago · 24 km deep · 90 km away
  2. 4.0103 km S of Atka, Alaska · 2084 days ago · 27 km deep · 82 km away
  3. 2.382 km S of Atka, Alaska · 2084 days ago · 5 km deep · 100 km away
  4. 4.0111 km SSE of Atka, Alaska · 2084 days ago · 34 km deep · 69 km away
  5. 4.991 km S of Atka, Alaska · 2086 days ago · 19 km deep · 93 km away
  6. 2.684 km SSE of Atka, Alaska · 2094 days ago · 147 km deep · 97 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0211k93tv7. Read Wed, Sep 30, 2026, 11:33 PM UTC.