Alaska earthquakes

M1.7 earthquake 55 km NNE of Kobuk, Alaska

A magnitude 1.7 earthquake struck 55 km NNE of Kobuk, Alaska on Thu, Feb 11, 2021, 12:27 PM AKST (21:27 UTC), 2 km (1 mi) below the surface.

A larger quake followed: M3.0 24 km WNW of Ambler, 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
1.7 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2021-02-11 21:27:12 UTC
Depth
2.3 km (1.4 mi), shallow
Epicenter
67.336° N, 156.212° 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
25

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 6 in the 60 days after this one and 8 in the 30 days before it.

After

  1. 2.0115 km NNE of Ambler, Alaska · 2060 days ago · 3 km deep · 79 km away
  2. 1.711 km SE of Kobuk, Alaska · 2059 days ago · 5 km deep · 58 km away
  3. 2.688 km NE of Kobuk, Alaska · 2038 days ago · 16 km deep · 33 km away
  4. 3.024 km WNW of Ambler, Alaska · 2024 days ago · 18 km deep · 97 km away
  5. 2.641 km NE of Ambler, Alaska · 2022 days ago · 20 km deep · 41 km away
  6. 1.645 km NE of Ambler, Alaska · 2022 days ago · 18 km deep · 36 km away

Before

  1. 1.585 km WNW of Alatna, Alaska · 2065 days ago · 18 km deep · 90 km away
  2. 1.556 km NE of Kobuk, Alaska · 2070 days ago · 13 km deep · 3 km away
  3. 2.253 km NNE of Kobuk, Alaska · 2076 days ago · 6 km deep · 2 km away
  4. 1.955 km NNE of Kobuk, Alaska · 2076 days ago · 5 km deep · 1 km away
  5. 2.253 km NNE of Kobuk, Alaska · 2078 days ago · 2 km deep · 3 km away
  6. 2.111 km WNW of Shungnak, Alaska · 2086 days ago · 9 km deep · 70 km away
  7. 1.756 km NNE of Kobuk, Alaska · 2088 days ago · 0 km deep · 3 km away
  8. 2.257 km NNE of Kobuk, Alaska · 2090 days ago · 5 km deep · 2 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0211xt8hqr. Read Sun, Oct 4, 2026, 6:28 PM UTC.