Alaska earthquakes

M2.8 earthquake 23 km ESE of Chignik, Alaska

A magnitude 2.8 earthquake struck 23 km ESE of Chignik, Alaska on Sat, Mar 27, 2021, 4:49 AM AKDT (12:49 UTC), 63 km (39 mi) below the surface.

A larger quake followed: M3.7 90 km SE of Perryville, 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
2.8 (ml), micro
Local time
UTC
2021-03-27 12:49:41 UTC
Depth
63.1 km (39.2 mi), shallow
Epicenter
56.183° N, 158.078° 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
79

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 24 in the 60 days after this one and 11 in the 30 days before it.

After

  1. 3.790 km SE of Perryville, Alaska · 2008 days ago · 9 km deep · 86 km away
  2. 3.035 km S of Chignik, Alaska · 2008 days ago · 57 km deep · 27 km away
  3. 2.630 km NE of Chignik, Alaska · 2007 days ago · 77 km deep · 37 km away
  4. 1.831 km N of Chignik Lake, Alaska · 2006 days ago · 5 km deep · 62 km away
  5. 2.534 km ENE of Chignik, Alaska · 2005 days ago · 65 km deep · 27 km away
  6. 2.4106 km E of Chignik, Alaska · 1998 days ago · 37 km deep · 85 km away
  7. 2.378 km E of Chignik, Alaska · 1998 days ago · 23 km deep · 57 km away
  8. 2.127 km E of Chignik, Alaska · 1998 days ago · 62 km deep · 13 km away
  9. 2.670 km SSE of Chignik, Alaska · 1997 days ago · 36 km deep · 51 km away
  10. 2.6114 km E of Chignik, Alaska · 1995 days ago · 51 km deep · 94 km away
  11. 2.561 km ESE of Chignik, Alaska · 1994 days ago · 55 km deep · 38 km away
  12. 2.679 km SE of Perryville, Alaska · 1994 days ago · 26 km deep · 89 km away
  13. 2.788 km SE of Perryville, Alaska · 1989 days ago · 5 km deep · 99 km away
  14. 2.588 km SE of Perryville, Alaska · 1989 days ago · 26 km deep · 99 km away
  15. 2.7114 km E of Chignik, Alaska · 1989 days ago · 35 km deep · 93 km away
  16. 2.191 km SSE of Ugashik, Alaska · 1987 days ago · 77 km deep · 94 km away
  17. 2.348 km SE of Chignik, Alaska · 1977 days ago · 36 km deep · 29 km away
  18. 3.319 km ESE of Chignik, Alaska · 1968 days ago · 96 km deep · 6 km away
  19. 2.331 km E of Chignik, Alaska · 1967 days ago · 92 km deep · 18 km away
  20. 1.8Alaska Peninsula · 1964 days ago · 12 km deep · 94 km away
  21. 2.558 km ESE of Chignik, Alaska · 1964 days ago · 45 km deep · 35 km away
  22. 2.471 km SSE of Chignik, Alaska · 1961 days ago · 8 km deep · 52 km away
  23. 1.686 km SSE of Ugashik, Alaska · 1955 days ago · 71 km deep · 90 km away
  24. 2.633 km ENE of Port Heiden, Alaska · 1953 days ago · 141 km deep · 97 km away

Before

  1. 2.328 km SE of Chignik, Alaska · 2019 days ago · 78 km deep · 6 km away
  2. 2.446 km E of Chignik, Alaska · 2020 days ago · 45 km deep · 28 km away
  3. 2.5Alaska Peninsula · 2021 days ago · 63 km deep · 87 km away
  4. 2.459 km ESE of Port Heiden, Alaska · 2024 days ago · 93 km deep · 72 km away
  5. 2.620 km N of Perryville, Alaska · 2030 days ago · 79 km deep · 65 km away
  6. 2.237 km ENE of Chignik, Alaska · 2032 days ago · 65 km deep · 30 km away
  7. 2.445 km SE of Port Heiden, Alaska · 2034 days ago · 94 km deep · 58 km away
  8. 2.757 km ENE of Chignik, Alaska · 2035 days ago · 66 km deep · 47 km away
  9. 2.153 km E of Port Heiden, Alaska · 2036 days ago · 8 km deep · 82 km away
  10. 2.222 km S of Chignik Lake, Alaska · 2036 days ago · 65 km deep · 43 km away
  11. 2.223 km ENE of Chignik, Alaska · 2037 days ago · 68 km deep · 20 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0213yfnmyb (also filed as av91213906, us6000dx0c). Read Tue, Sep 29, 2026, 3:42 AM UTC.