Alaska earthquakes

M2.7 earthquake northern Alaska

A magnitude 2.7 earthquake struck in northern Alaska on Thu, Mar 11, 2021, 12:40 PM AKST (21:40 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M3.1 55 km SSE of Beaver, 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
2.7 (ml), micro
Local time
UTC
2021-03-11 21:40:24 UTC
Depth
7.8 km (4.8 mi), shallow
Epicenter
65.634° N, 144.956° W
Region
Alaska
Felt reports
1
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

1 person reported to the USGS what they felt; the strongest reported shaking was II, weak shaking.

Did You Feel It? map: shaking reported by the public
Shaking reported by the public, by area. Map: USGS Did You Feel It?

How well it is located

Reviewed by a seismologist.

Stations used
116

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 12 in the 60 days after this one and 6 in the 30 days before it.

After

  1. 1.654 km SSE of Beaver, Alaska · 2019 days ago · 6 km deep · 97 km away
  2. 2.854 km SSE of Beaver, Alaska · 2019 days ago · 12 km deep · 98 km away
  3. 1.653 km SSE of Beaver, Alaska · 2019 days ago · 5 km deep · 99 km away
  4. 2.055 km SSE of Beaver, Alaska · 2015 days ago · 7 km deep · 100 km away
  5. 3.155 km SSE of Beaver, Alaska · 2012 days ago · 9 km deep · 96 km away
  6. 2.211 km NW of Central, Alaska · 2001 days ago · 14 km deep · 2 km away
  7. 1.846 km S of Birch Creek, Alaska · 2000 days ago · 16 km deep · 51 km away
  8. 1.920 km SSE of Central, Alaska · 1996 days ago · 8 km deep · 30 km away
  9. 1.616 km S of Circle, Alaska · 1995 days ago · 2 km deep · 39 km away
  10. 1.619 km S of Central, Alaska · 1986 days ago · 4 km deep · 28 km away
  11. 2.119 km SSE of Central, Alaska · 1986 days ago · 2 km deep · 28 km away
  12. 1.647 km ENE of Pleasant Valley, AK · 1984 days ago · 15 km deep · 83 km away

Before

  1. 1.642 km WNW of Central, Alaska · 2029 days ago · 4 km deep · 33 km away
  2. 1.918 km NW of Circle, Alaska · 2033 days ago · 4 km deep · 42 km away
  3. 1.759 km SSE of Beaver, Alaska · 2037 days ago · 7 km deep · 95 km away
  4. 1.646 km ESE of Central, Alaska · 2051 days ago · 24 km deep · 55 km away
  5. 1.530 km SE of Circle, Alaska · 2052 days ago · 4 km deep · 65 km away
  6. 2.424 km NW of Central, Alaska · 2056 days ago · 7 km deep · 15 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021384d0tj (also filed as us7000di81). Read Wed, Sep 30, 2026, 11:26 AM UTC.