Alaska earthquakes

M1.6 earthquake 45 km NE of Ambler, Alaska

A magnitude 1.6 earthquake struck 45 km NE of Ambler, Alaska on Mon, Mar 22, 2021, 1:57 AM AKDT (09:57 UTC), 18 km (11 mi) below the surface.

A larger quake followed: M3.5 75 km NW 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
1.6 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2021-03-22 09:57:08 UTC
Depth
18.1 km (11.2 mi), shallow
Epicenter
67.350° N, 157.058° 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
31

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 23 in the 60 days after this one and 3 in the 30 days before it.

After

  1. 1.559 km NW of Ambler, Alaska · 1999 days ago · 11 km deep · 72 km away
  2. 2.248 km SSW of Shungnak, Alaska · 1994 days ago · 7 km deep · 99 km away
  3. 1.947 km SSW of Shungnak, Alaska · 1994 days ago · 5 km deep · 99 km away
  4. 1.648 km SSW of Shungnak, Alaska · 1993 days ago · 6 km deep · 100 km away
  5. 1.948 km SSW of Shungnak, Alaska · 1992 days ago · 6 km deep · 99 km away
  6. 2.170 km NW of Ambler, Alaska · 1992 days ago · 7 km deep · 85 km away
  7. 1.548 km SSW of Shungnak, Alaska · 1991 days ago · 6 km deep · 99 km away
  8. 1.848 km SSW of Shungnak, Alaska · 1991 days ago · 7 km deep · 100 km away
  9. 1.649 km NNE of Kobuk, Alaska · 1991 days ago · 18 km deep · 25 km away
  10. 1.746 km SSW of Shungnak, Alaska · 1991 days ago · 5 km deep · 97 km away
  11. 1.948 km SSW of Shungnak, Alaska · 1990 days ago · 7 km deep · 100 km away
  12. 1.952 km NE of Ambler, Alaska · 1989 days ago · 4 km deep · 8 km away
  13. 2.771 km NW of Ambler, Alaska · 1977 days ago · 4 km deep · 83 km away
  14. 3.575 km NW of Ambler, Alaska · 1976 days ago · 0 km deep · 85 km away
  15. 2.877 km NW of Ambler, Alaska · 1975 days ago · 2 km deep · 91 km away
  16. 2.7115 km N of Ambler, Alaska · 1974 days ago · 16 km deep · 91 km away
  17. 2.6115 km N of Ambler, Alaska · 1973 days ago · 8 km deep · 91 km away
  18. 2.0112 km N of Ambler, Alaska · 1973 days ago · 67 km deep · 89 km away
  19. 1.7110 km N of Ambler, Alaska · 1973 days ago · 0 km deep · 85 km away
  20. 2.474 km NW of Ambler, Alaska · 1973 days ago · 34 km deep · 88 km away
  21. 1.8111 km N of Ambler, Alaska · 1973 days ago · 18 km deep · 88 km away
  22. 3.175 km NW of Ambler, Alaska · 1972 days ago · 0 km deep · 85 km away
  23. 3.076 km NW of Ambler, Alaska · 1971 days ago · 2 km deep · 88 km away

Before

  1. 2.641 km NE of Ambler, Alaska · 2020 days ago · 20 km deep · 5 km away
  2. 3.024 km WNW of Ambler, Alaska · 2022 days ago · 18 km deep · 62 km away
  3. 2.688 km NE of Kobuk, Alaska · 2036 days ago · 16 km deep · 62 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0213q4896j. Read Fri, Oct 2, 2026, 11:24 AM UTC.