Alaska earthquakes

M2.4 earthquake 46 km E of Chignik, Alaska

A magnitude 2.4 earthquake struck 46 km E of Chignik, Alaska on Thu, Mar 18, 2021, 11:54 AM AKDT (19:54 UTC), 45 km (28 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
2.4 (ml), micro
Local time
UTC
2021-03-18 19:54:59 UTC
Depth
44.9 km (27.9 mi), shallow
Epicenter
56.282° N, 157.657° 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
46

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 27 in the 60 days after this one and 18 in the 30 days before it.

After

  1. 2.328 km SE of Chignik, Alaska · 2017 days ago · 78 km deep · 30 km away
  2. 2.251 km S of Ugashik, Alaska · 2016 days ago · 108 km deep · 87 km away
  3. 1.668 km SSE of Ugashik, Alaska · 2015 days ago · 83 km deep · 85 km away
  4. 2.823 km ESE of Chignik, Alaska · 2010 days ago · 63 km deep · 28 km away
  5. 3.790 km SE of Perryville, Alaska · 2006 days ago · 9 km deep · 99 km away
  6. 3.035 km S of Chignik, Alaska · 2006 days ago · 57 km deep · 53 km away
  7. 2.630 km NE of Chignik, Alaska · 2005 days ago · 77 km deep · 39 km away
  8. 1.831 km N of Chignik Lake, Alaska · 2004 days ago · 5 km deep · 79 km away
  9. 2.534 km ENE of Chignik, Alaska · 2003 days ago · 65 km deep · 20 km away
  10. 2.4106 km E of Chignik, Alaska · 1996 days ago · 37 km deep · 60 km away
  11. 2.378 km E of Chignik, Alaska · 1996 days ago · 23 km deep · 33 km away
  12. 2.127 km E of Chignik, Alaska · 1996 days ago · 62 km deep · 19 km away
  13. 2.670 km SSE of Chignik, Alaska · 1995 days ago · 36 km deep · 63 km away
  14. 2.7101 km SE of Ugashik, Alaska · 1993 days ago · 57 km deep · 96 km away
  15. 2.6114 km E of Chignik, Alaska · 1993 days ago · 51 km deep · 68 km away
  16. 2.561 km ESE of Chignik, Alaska · 1992 days ago · 55 km deep · 26 km away
  17. 2.7114 km E of Chignik, Alaska · 1987 days ago · 35 km deep · 68 km away
  18. 2.191 km SSE of Ugashik, Alaska · 1985 days ago · 77 km deep · 68 km away
  19. 2.4139 km E of Chignik, Alaska · 1980 days ago · 70 km deep · 93 km away
  20. 2.348 km SE of Chignik, Alaska · 1975 days ago · 36 km deep · 43 km away
  21. 2.6132 km ESE of Chignik, Alaska · 1972 days ago · 59 km deep · 87 km away
  22. 2.151 km SSE of Ugashik, Alaska · 1971 days ago · 90 km deep · 92 km away
  23. 3.319 km ESE of Chignik, Alaska · 1966 days ago · 96 km deep · 28 km away
  24. 2.331 km E of Chignik, Alaska · 1965 days ago · 92 km deep · 15 km away
  25. 1.8Alaska Peninsula · 1962 days ago · 12 km deep · 71 km away
  26. 2.558 km ESE of Chignik, Alaska · 1962 days ago · 45 km deep · 26 km away
  27. 2.471 km SSE of Chignik, Alaska · 1959 days ago · 8 km deep · 61 km away

Before

  1. 1.851 km SSE of Ugashik, Alaska · 2020 days ago · 4 km deep · 91 km away
  2. 2.459 km ESE of Port Heiden, Alaska · 2022 days ago · 93 km deep · 57 km away
  3. 2.620 km N of Perryville, Alaska · 2028 days ago · 79 km deep · 93 km away
  4. 2.237 km ENE of Chignik, Alaska · 2030 days ago · 65 km deep · 19 km away
  5. 2.445 km SE of Port Heiden, Alaska · 2032 days ago · 94 km deep · 52 km away
  6. 2.757 km ENE of Chignik, Alaska · 2033 days ago · 66 km deep · 24 km away
  7. 2.153 km E of Port Heiden, Alaska · 2034 days ago · 8 km deep · 69 km away
  8. 2.222 km S of Chignik Lake, Alaska · 2034 days ago · 65 km deep · 71 km away
  9. 2.223 km ENE of Chignik, Alaska · 2035 days ago · 68 km deep · 26 km away
  10. 3.1116 km ENE of Chignik, Alaska · 2038 days ago · 73 km deep · 73 km away
  11. 2.3112 km SSE of Ugashik, Alaska · 2040 days ago · 75 km deep · 76 km away
  12. 2.558 km E of Chignik, Alaska · 2041 days ago · 60 km deep · 12 km away
  13. 2.554 km S of Chignik, Alaska · 2042 days ago · 41 km deep · 65 km away
  14. 3.650 km SSE of Chignik, Alaska · 2043 days ago · 48 km deep · 60 km away
  15. 2.38 km WNW of Chignik Lagoon, Alaska · 2045 days ago · 111 km deep · 62 km away
  16. 2.957 km E of Port Heiden, Alaska · 2046 days ago · 14 km deep · 83 km away
  17. 2.672 km ESE of Chignik, Alaska · 2047 days ago · 43 km deep · 41 km away
  18. 2.427 km E of Chignik, Alaska · 2048 days ago · 63 km deep · 19 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0213jo0qww (also filed as us7000dkr6). Read Sun, Sep 27, 2026, 4:54 AM UTC.