Alaska earthquakes

M2.3 earthquake 28 km SE of Chignik, Alaska

A magnitude 2.3 earthquake struck 28 km SE of Chignik, Alaska on Fri, Mar 19, 2021, 4:31 PM AKDT (00:31 UTC), 78 km (48 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
2.3 (ml), micro
Local time
UTC
2021-03-20 00:31:22 UTC
Depth
77.9 km (48.4 mi), intermediate-depth
Epicenter
56.130° N, 158.055° 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
22

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 17 in the 30 days before it.

After

  1. 2.823 km ESE of Chignik, Alaska · 2009 days ago · 63 km deep · 6 km away
  2. 3.790 km SE of Perryville, Alaska · 2005 days ago · 9 km deep · 80 km away
  3. 3.035 km S of Chignik, Alaska · 2005 days ago · 57 km deep · 23 km away
  4. 2.630 km NE of Chignik, Alaska · 2004 days ago · 77 km deep · 43 km away
  5. 1.831 km N of Chignik Lake, Alaska · 2004 days ago · 5 km deep · 67 km away
  6. 2.534 km ENE of Chignik, Alaska · 2002 days ago · 65 km deep · 32 km away
  7. 2.4106 km E of Chignik, Alaska · 1995 days ago · 37 km deep · 84 km away
  8. 2.378 km E of Chignik, Alaska · 1995 days ago · 23 km deep · 56 km away
  9. 2.127 km E of Chignik, Alaska · 1995 days ago · 62 km deep · 18 km away
  10. 2.670 km SSE of Chignik, Alaska · 1994 days ago · 36 km deep · 45 km away
  11. 2.6114 km E of Chignik, Alaska · 1992 days ago · 51 km deep · 93 km away
  12. 2.561 km ESE of Chignik, Alaska · 1992 days ago · 55 km deep · 35 km away
  13. 2.679 km SE of Perryville, Alaska · 1991 days ago · 26 km deep · 83 km away
  14. 2.788 km SE of Perryville, Alaska · 1987 days ago · 5 km deep · 93 km away
  15. 2.588 km SE of Perryville, Alaska · 1987 days ago · 26 km deep · 94 km away
  16. 2.7114 km E of Chignik, Alaska · 1986 days ago · 35 km deep · 92 km away
  17. 2.191 km SSE of Ugashik, Alaska · 1984 days ago · 77 km deep · 97 km away
  18. 2.348 km SE of Chignik, Alaska · 1975 days ago · 36 km deep · 22 km away
  19. 3.319 km ESE of Chignik, Alaska · 1965 days ago · 96 km deep · 12 km away
  20. 2.331 km E of Chignik, Alaska · 1964 days ago · 92 km deep · 23 km away
  21. 1.8Alaska Peninsula · 1961 days ago · 12 km deep · 98 km away
  22. 2.558 km ESE of Chignik, Alaska · 1961 days ago · 45 km deep · 32 km away
  23. 2.471 km SSE of Chignik, Alaska · 1959 days ago · 8 km deep · 46 km away

Before

  1. 2.446 km E of Chignik, Alaska · 2018 days ago · 45 km deep · 30 km away
  2. 2.5Alaska Peninsula · 2018 days ago · 63 km deep · 83 km away
  3. 2.494 km SE of Perryville, Alaska · 2018 days ago · 26 km deep · 97 km away
  4. 2.459 km ESE of Port Heiden, Alaska · 2021 days ago · 93 km deep · 78 km away
  5. 2.620 km N of Perryville, Alaska · 2028 days ago · 79 km deep · 66 km away
  6. 2.237 km ENE of Chignik, Alaska · 2029 days ago · 65 km deep · 35 km away
  7. 2.445 km SE of Port Heiden, Alaska · 2031 days ago · 94 km deep · 64 km away
  8. 2.757 km ENE of Chignik, Alaska · 2032 days ago · 66 km deep · 51 km away
  9. 2.153 km E of Port Heiden, Alaska · 2033 days ago · 8 km deep · 87 km away
  10. 2.222 km S of Chignik Lake, Alaska · 2034 days ago · 65 km deep · 43 km away
  11. 2.223 km ENE of Chignik, Alaska · 2034 days ago · 68 km deep · 26 km away
  12. 2.558 km E of Chignik, Alaska · 2041 days ago · 60 km deep · 39 km away
  13. 2.554 km S of Chignik, Alaska · 2041 days ago · 41 km deep · 38 km away
  14. 3.650 km SSE of Chignik, Alaska · 2042 days ago · 48 km deep · 33 km away
  15. 2.38 km WNW of Chignik Lagoon, Alaska · 2044 days ago · 111 km deep · 43 km away
  16. 2.570 km SE of Perryville, Alaska · 2045 days ago · 26 km deep · 81 km away
  17. 2.672 km ESE of Chignik, Alaska · 2046 days ago · 43 km deep · 44 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0213mnn3xe. Read Sat, Sep 26, 2026, 10:32 AM UTC.