Alaska earthquakes

M6.0 earthquake 99 km SE of Atka, Alaska

A magnitude 6.0 earthquake struck 99 km SE of Atka, Alaska on Sun, Mar 10, 1957, 5:37 AM GMT-11 (16:37 UTC), 33 km (21 mi) below the surface.

A larger quake followed: M6.5 79 km SSE of Atka, Alaska. This one was a foreshock.

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The earthquake

Magnitude
6.0 (ms), strong
Local time
UTC
1957-03-10 16:37:53 UTC
Depth
33.0 km (20.5 mi), shallow
Epicenter
51.568° N, 173.166° 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.

Nearby

Within 100 km, magnitude 3.0 and up: 7 in the 60 days after this one and 3 in the 30 days before it.

After

  1. 6.579 km SSE of Atka, Alaska · 25404 days ago · 25 km deep · 29 km away
  2. 5.8174 km SSE of Atka, Alaska · 25383 days ago · 20 km deep · 86 km away
  3. 5.8161 km SSE of Atka, Alaska · 25383 days ago · 18 km deep · 73 km away
  4. 5.8165 km SSE of Atka, Alaska · 25382 days ago · 15 km deep · 79 km away
  5. 5.8150 km SSE of Atka, Alaska · 25382 days ago · 15 km deep · 59 km away
  6. 6.3143 km E of Atka, Alaska · 25380 days ago · 35 km deep · 86 km away
  7. 6.065 km SE of Atka, Alaska · 25360 days ago · 35 km deep · 35 km away

Before

  1. 6.595 km ESE of Atka, Alaska · 25405 days ago · 25 km deep · 20 km away
  2. 6.689 km S of Atka, Alaska · 25406 days ago · 33 km deep · 80 km away
  3. 6.662 km SSE of Atka, Alaska · 25406 days ago · 25 km deep · 54 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ushis2149. Read Tue, Sep 29, 2026, 10:47 PM UTC.