Alaska earthquakes

M2.9 earthquake 106 km S of Nikolski, Alaska

A magnitude 2.9 earthquake struck 106 km S of Nikolski, Alaska on Wed, May 12, 2021, 7:40 PM AKDT (03:40 UTC), 35 km (22 mi) below the surface.

A larger quake followed: M3.9 72 km S of Nikolski, Alaska. This one was a foreshock.

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Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
2.9 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2021-05-13 03:40:04 UTC
Depth
34.9 km (21.7 mi), shallow
Epicenter
51.990° N, 168.606° 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
32

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 13 in the 60 days after this one and 7 in the 30 days before it.

After

  1. 2.240 km ESE of Nikolski, Alaska · 1969 days ago · 30 km deep · 90 km away
  2. 2.955 km SE of Nikolski, Alaska · 1969 days ago · 35 km deep · 71 km away
  3. 3.8100 km SSW of Nikolski, Alaska · 1955 days ago · 34 km deep · 62 km away
  4. 2.6140 km SSE of Nikolski, Alaska · 1954 days ago · 10 km deep · 36 km away
  5. 2.637 km ESE of Nikolski, Alaska · 1954 days ago · 34 km deep · 88 km away
  6. 3.3153 km SSW of Nikolski, Alaska · 1943 days ago · 10 km deep · 71 km away
  7. 3.556 km SSE of Nikolski, Alaska · 1940 days ago · 35 km deep · 54 km away
  8. 3.972 km S of Nikolski, Alaska · 1940 days ago · 38 km deep · 35 km away
  9. 2.154 km SSE of Nikolski, Alaska · 1925 days ago · 51 km deep · 57 km away
  10. 2.094 km SSW of Nikolski, Alaska · 1925 days ago · 49 km deep · 47 km away
  11. 3.375 km SW of Nikolski, Alaska · 1921 days ago · 34 km deep · 99 km away
  12. 2.231 km SSE of Nikolski, Alaska · 1916 days ago · 75 km deep · 77 km away
  13. 2.514 km SSE of Nikolski, Alaska · 1914 days ago · 65 km deep · 93 km away

Before

  1. 2.9140 km SSE of Nikolski, Alaska · 1971 days ago · 10 km deep · 56 km away
  2. 3.653 km ESE of Nikolski, Alaska · 1978 days ago · 35 km deep · 81 km away
  3. 2.869 km SE of Nikolski, Alaska · 1988 days ago · 22 km deep · 78 km away
  4. 2.127 km SSE of Nikolski, Alaska · 1991 days ago · 52 km deep · 80 km away
  5. 3.234 km SSE of Nikolski, Alaska · 1994 days ago · 35 km deep · 72 km away
  6. 2.865 km SE of Nikolski, Alaska · 1994 days ago · 35 km deep · 77 km away
  7. 1.755 km ESE of Nikolski, Alaska · 1996 days ago · 26 km deep · 84 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021640i23u. Read Mon, Oct 5, 2026, 7:28 AM UTC.