Alaska earthquakes

M3.0 earthquake 35 km S of Chignik, Alaska

A magnitude 3.0 earthquake struck 35 km S of Chignik, Alaska on Wed, Mar 31, 2021, 12:11 AM AKDT (08:11 UTC), 57 km (35 mi) below the surface.

A larger quake followed: M3.5 113 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
3.0 (ml), minor
Local time
UTC
2021-03-31 08:11:04 UTC
Depth
56.6 km (35.2 mi), shallow
Epicenter
55.976° N, 158.313° 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
88

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 23 in the 30 days before it.

After

  1. 2.630 km NE of Chignik, Alaska · 2007 days ago · 77 km deep · 61 km away
  2. 1.831 km N of Chignik Lake, Alaska · 2006 days ago · 5 km deep · 70 km away
  3. 2.534 km ENE of Chignik, Alaska · 2005 days ago · 65 km deep · 55 km away
  4. 2.122 km W of Ivanof Bay, Alaska · 2001 days ago · 12 km deep · 96 km away
  5. 2.378 km E of Chignik, Alaska · 1997 days ago · 23 km deep · 75 km away
  6. 2.127 km E of Chignik, Alaska · 1997 days ago · 62 km deep · 41 km away
  7. 2.670 km SSE of Chignik, Alaska · 1997 days ago · 36 km deep · 38 km away
  8. 2.070 km S of Perryville, Alaska · 1995 days ago · 35 km deep · 96 km away
  9. 2.561 km ESE of Chignik, Alaska · 1994 days ago · 55 km deep · 51 km away
  10. 2.679 km SE of Perryville, Alaska · 1994 days ago · 26 km deep · 65 km away
  11. 2.9108 km SE of Perryville, Alaska · 1993 days ago · 26 km deep · 94 km away
  12. 2.398 km SSE of Perryville, Alaska · 1991 days ago · 32 km deep · 92 km away
  13. 2.788 km SE of Perryville, Alaska · 1989 days ago · 5 km deep · 75 km away
  14. 2.588 km SE of Perryville, Alaska · 1989 days ago · 26 km deep · 76 km away
  15. 2.072 km S of Perryville, Alaska · 1978 days ago · 10 km deep · 99 km away
  16. 2.348 km SE of Chignik, Alaska · 1977 days ago · 36 km deep · 23 km away
  17. 2.639 km SSW of Ivanof Bay, Alaska · 1973 days ago · 67 km deep · 97 km away
  18. 3.319 km ESE of Chignik, Alaska · 1968 days ago · 96 km deep · 31 km away
  19. 2.331 km E of Chignik, Alaska · 1967 days ago · 92 km deep · 45 km away
  20. 2.116 km W of Ivanof Bay, Alaska · 1964 days ago · 90 km deep · 89 km away
  21. 2.558 km ESE of Chignik, Alaska · 1964 days ago · 45 km deep · 48 km away
  22. 2.471 km SSE of Chignik, Alaska · 1961 days ago · 8 km deep · 41 km away
  23. 2.7108 km SE of Perryville, Alaska · 1958 days ago · 33 km deep · 93 km away
  24. 3.5113 km SE of Perryville, Alaska · 1948 days ago · 40 km deep · 92 km away

Before

  1. 3.790 km SE of Perryville, Alaska · 2008 days ago · 9 km deep · 66 km away
  2. 2.823 km ESE of Chignik, Alaska · 2011 days ago · 63 km deep · 27 km away
  3. 2.827 km S of Ivanof Bay, Alaska · 2013 days ago · 63 km deep · 79 km away
  4. 1.765 km S of Ivanof Bay, Alaska · 2017 days ago · 18 km deep · 98 km away
  5. 3.093 km SE of Perryville, Alaska · 2017 days ago · 7 km deep · 82 km away
  6. 2.328 km SE of Chignik, Alaska · 2019 days ago · 78 km deep · 23 km away
  7. 2.446 km E of Chignik, Alaska · 2020 days ago · 45 km deep · 53 km away
  8. 2.5Alaska Peninsula · 2020 days ago · 63 km deep · 60 km away
  9. 2.494 km SE of Perryville, Alaska · 2020 days ago · 26 km deep · 80 km away
  10. 2.459 km ESE of Port Heiden, Alaska · 2023 days ago · 93 km deep · 99 km away
  11. 2.399 km SE of Perryville, Alaska · 2025 days ago · 23 km deep · 89 km away
  12. 2.620 km N of Perryville, Alaska · 2030 days ago · 79 km deep · 51 km away
  13. 2.237 km ENE of Chignik, Alaska · 2032 days ago · 65 km deep · 57 km away
  14. 2.445 km SE of Port Heiden, Alaska · 2034 days ago · 94 km deep · 82 km away
  15. 2.5102 km SE of Perryville, Alaska · 2034 days ago · 26 km deep · 87 km away
  16. 3.7114 km SE of Perryville, Alaska · 2034 days ago · 11 km deep · 97 km away
  17. 2.757 km ENE of Chignik, Alaska · 2035 days ago · 66 km deep · 74 km away
  18. 3.1101 km SE of Perryville, Alaska · 2036 days ago · 21 km deep · 90 km away
  19. 2.222 km S of Chignik Lake, Alaska · 2036 days ago · 65 km deep · 27 km away
  20. 2.223 km ENE of Chignik, Alaska · 2037 days ago · 68 km deep · 46 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak02144z72k1 (also filed as us6000dxva). Read Mon, Sep 28, 2026, 9:51 PM UTC.