Alaska earthquakes

M3.0 earthquake 267 km ESE of Chiniak, Alaska

A magnitude 3.0 earthquake struck 267 km ESE of Chiniak, Alaska on Mon, Jan 11, 2021, 9:21 AM AKST (18:21 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M3.4 233 km SE of Chiniak, 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
3.0 (ml), minor
Local time
UTC
2021-01-11 18:21:11 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
56.826° N, 148.101° 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 3.7 km horizontally, 2.0 km in depth
Magnitude uncertainty
±0.05
Depth from
Operator assigned
Station coverage gap
229°, poorly surrounded by stations
Stations used
41

Nearest places

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

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. 3.2255 km ESE of Chiniak, Alaska · 2073 days ago · 21 km deep · 61 km away
  2. 3.3235 km SE of Chiniak, Alaska · 2072 days ago · 10 km deep · 88 km away
  3. 3.0Gulf of Alaska · 2071 days ago · 10 km deep · 48 km away
  4. 2.7255 km ESE of Chiniak, Alaska · 2056 days ago · 10 km deep · 50 km away
  5. 2.8200 km ESE of Chiniak, Alaska · 2051 days ago · 10 km deep · 69 km away
  6. 2.9221 km SE of Chiniak, Alaska · 2048 days ago · 10 km deep · 92 km away
  7. 2.8233 km SE of Chiniak, Alaska · 2047 days ago · 21 km deep · 92 km away
  8. 3.2253 km SE of Chiniak, Alaska · 2031 days ago · 10 km deep · 66 km away
  9. 3.4233 km SE of Chiniak, Alaska · 2026 days ago · 10 km deep · 96 km away

Before

  1. 2.7Gulf of Alaska · 2091 days ago · 20 km deep · 50 km away
  2. 2.5221 km SE of Chiniak, Alaska · 2091 days ago · 10 km deep · 91 km away
  3. 3.1266 km ESE of Chiniak, Alaska · 2092 days ago · 10 km deep · 51 km away
  4. 2.7253 km ESE of Chiniak, Alaska · 2093 days ago · 10 km deep · 49 km away
  5. 3.1253 km ESE of Chiniak, Alaska · 2102 days ago · 10 km deep · 51 km away
  6. 2.7234 km SE of Chiniak, Alaska · 2108 days ago · 10 km deep · 98 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000d7ia (also filed as ak021ihr4oe). Read Fri, Sep 25, 2026, 9:01 AM UTC.