Alaska earthquakes

M2.5 earthquake 58 km E of Chignik, Alaska

A magnitude 2.5 earthquake struck 58 km E of Chignik, Alaska on Tue, Feb 23, 2021, 10:01 AM AKST (19:01 UTC), 60 km (37 mi) below the surface.

A larger quake followed: M3.1 116 km ENE of Chignik, 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
2.5 (ml), micro
Local time
UTC
2021-02-23 19:01:58 UTC
Depth
60.1 km (37.3 mi), shallow
Epicenter
56.260° N, 157.463° 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
52

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 29 in the 60 days after this one and 35 in the 30 days before it.

After

  1. 2.3112 km SSE of Ugashik, Alaska · 2041 days ago · 75 km deep · 67 km away
  2. 3.1116 km ENE of Chignik, Alaska · 2038 days ago · 73 km deep · 63 km away
  3. 2.223 km ENE of Chignik, Alaska · 2036 days ago · 68 km deep · 38 km away
  4. 2.222 km S of Chignik Lake, Alaska · 2035 days ago · 65 km deep · 82 km away
  5. 2.153 km E of Port Heiden, Alaska · 2035 days ago · 8 km deep · 73 km away
  6. 2.757 km ENE of Chignik, Alaska · 2034 days ago · 66 km deep · 26 km away
  7. 2.445 km SE of Port Heiden, Alaska · 2033 days ago · 94 km deep · 60 km away
  8. 2.237 km ENE of Chignik, Alaska · 2031 days ago · 65 km deep · 29 km away
  9. 2.459 km ESE of Port Heiden, Alaska · 2022 days ago · 93 km deep · 61 km away
  10. 1.851 km SSE of Ugashik, Alaska · 2021 days ago · 4 km deep · 91 km away
  11. 2.446 km E of Chignik, Alaska · 2019 days ago · 45 km deep · 12 km away
  12. 2.328 km SE of Chignik, Alaska · 2018 days ago · 78 km deep · 39 km away
  13. 2.251 km S of Ugashik, Alaska · 2017 days ago · 108 km deep · 89 km away
  14. 1.668 km SSE of Ugashik, Alaska · 2015 days ago · 83 km deep · 82 km away
  15. 2.823 km ESE of Chignik, Alaska · 2010 days ago · 63 km deep · 39 km away
  16. 3.035 km S of Chignik, Alaska · 2007 days ago · 57 km deep · 61 km away
  17. 2.630 km NE of Chignik, Alaska · 2006 days ago · 77 km deep · 49 km away
  18. 1.831 km N of Chignik Lake, Alaska · 2005 days ago · 5 km deep · 91 km away
  19. 2.534 km ENE of Chignik, Alaska · 2004 days ago · 65 km deep · 30 km away
  20. 2.586 km SE of Ugashik, Alaska · 1999 days ago · 67 km deep · 96 km away
  21. 2.4106 km E of Chignik, Alaska · 1996 days ago · 37 km deep · 48 km away
  22. 2.378 km E of Chignik, Alaska · 1996 days ago · 23 km deep · 21 km away
  23. 2.127 km E of Chignik, Alaska · 1996 days ago · 62 km deep · 31 km away
  24. 2.670 km SSE of Chignik, Alaska · 1996 days ago · 36 km deep · 64 km away
  25. 2.7101 km SE of Ugashik, Alaska · 1994 days ago · 57 km deep · 88 km away
  26. 2.6114 km E of Chignik, Alaska · 1994 days ago · 51 km deep · 56 km away
  27. 2.561 km ESE of Chignik, Alaska · 1993 days ago · 55 km deep · 22 km away
  28. 2.7114 km E of Chignik, Alaska · 1987 days ago · 35 km deep · 56 km away
  29. 2.191 km SSE of Ugashik, Alaska · 1986 days ago · 77 km deep · 63 km away

Before

  1. 2.554 km S of Chignik, Alaska · 2042 days ago · 41 km deep · 71 km away
  2. 3.650 km SSE of Chignik, Alaska · 2043 days ago · 48 km deep · 66 km away
  3. 2.38 km WNW of Chignik Lagoon, Alaska · 2046 days ago · 111 km deep · 74 km away
  4. 2.957 km E of Port Heiden, Alaska · 2047 days ago · 14 km deep · 86 km away
  5. 2.672 km ESE of Chignik, Alaska · 2048 days ago · 43 km deep · 36 km away
  6. 2.427 km E of Chignik, Alaska · 2049 days ago · 63 km deep · 31 km away
  7. 2.4123 km SSE of Ugashik, Alaska · 2050 days ago · 73 km deep · 83 km away
  8. 2.079 km SE of Ugashik, Alaska · 2050 days ago · 75 km deep · 91 km away
  9. 2.847 km SSE of Chignik, Alaska · 2052 days ago · 25 km deep · 50 km away
  10. 2.035 km E of Port Heiden, Alaska · 2053 days ago · 5 km deep · 81 km away
  11. 3.675 km SE of Chignik, Alaska · 2056 days ago · 34 km deep · 41 km away
  12. 2.735 km NNW of Chignik Lake, Alaska · 2057 days ago · 7 km deep · 98 km away
  13. 2.432 km NNW of Chignik Lake, Alaska · 2057 days ago · 6 km deep · 95 km away
  14. 1.953 km ENE of Chignik, Alaska · 2058 days ago · 57 km deep · 21 km away
  15. 2.033 km SSE of Port Heiden, Alaska · 2058 days ago · 108 km deep · 74 km away
  16. 2.868 km SE of Perryville, Alaska · 2058 days ago · 26 km deep · 98 km away
  17. 2.4137 km E of Chignik, Alaska · 2058 days ago · 3 km deep · 78 km away
  18. 3.287 km ESE of Chignik, Alaska · 2059 days ago · 9 km deep · 38 km away
  19. 2.333 km E of Port Heiden, Alaska · 2060 days ago · 8 km deep · 90 km away
  20. 2.441 km SSE of Chignik, Alaska · 2061 days ago · 75 km deep · 48 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0212hmcbf3 (also filed as us7000di4x). Read Sun, Sep 27, 2026, 10:20 PM UTC.