Alaska earthquakes

M1.8 earthquake Alaska Peninsula

A magnitude 1.8 earthquake struck in the Alaska Peninsula on Thu, May 13, 2021, 5:23 PM AKDT (01:23 UTC), 12 km (7 mi) below the surface.

A larger quake followed: M3.4 105 km ENE of Chignik, Alaska. This one was a foreshock.

Naknek forecastMore in Alaska

Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
1.8 (ml), micro
Local time
UTC
2021-05-14 01:23:25 UTC
Depth
11.6 km (7.2 mi), shallow
Epicenter
56.847° N, 157.124° 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
19

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 25 in the 60 days after this one and 10 in the 30 days before it.

After

  1. 2.558 km ESE of Chignik, Alaska · 1963 days ago · 45 km deep · 92 km away
  2. 1.873 km SE of Ugashik, Alaska · 1961 days ago · 69 km deep · 50 km away
  3. 1.686 km SSE of Ugashik, Alaska · 1954 days ago · 71 km deep · 11 km away
  4. 2.633 km ENE of Port Heiden, Alaska · 1952 days ago · 141 km deep · 64 km away
  5. 1.889 km SE of Ugashik, Alaska · 1949 days ago · 0 km deep · 56 km away
  6. 2.244 km E of Ugashik, Alaska · 1942 days ago · 119 km deep · 76 km away
  7. 3.4105 km ENE of Chignik, Alaska · 1941 days ago · 82 km deep · 46 km away · felt by 1
  8. 2.8104 km WSW of Akhiok, Alaska · 1941 days ago · 10 km deep · 87 km away
  9. 2.084 km SSE of Ugashik, Alaska · 1940 days ago · 89 km deep · 9 km away
  10. 1.770 km ENE of Chignik, Alaska · 1933 days ago · 60 km deep · 38 km away
  11. 2.197 km SE of Ugashik, Alaska · 1930 days ago · 35 km deep · 47 km away
  12. 2.882 km ENE of Chignik, Alaska · 1927 days ago · 55 km deep · 27 km away
  13. 1.815 km ESE of Chignik, Alaska · 1918 days ago · 83 km deep · 92 km away
  14. 2.287 km ENE of Chignik, Alaska · 1917 days ago · 65 km deep · 28 km away
  15. 2.5110 km E of Chignik, Alaska · 1916 days ago · 54 km deep · 72 km away
  16. 2.3124 km WSW of Akhiok, Alaska · 1915 days ago · 81 km deep · 66 km away
  17. 2.645 km SSW of Ugashik, Alaska · 1914 days ago · 23 km deep · 50 km away
  18. 2.042 km ENE of Chignik, Alaska · 1912 days ago · 66 km deep · 59 km away
  19. 2.172 km E of Chignik, Alaska · 1908 days ago · 55 km deep · 59 km away
  20. 1.961 km E of Port Heiden, Alaska · 1906 days ago · 5 km deep · 33 km away
  21. 1.9100 km SE of Ugashik, Alaska · 1905 days ago · 60 km deep · 50 km away
  22. 1.987 km SW of Karluk, Alaska · 1905 days ago · 59 km deep · 94 km away
  23. 3.226 km S of Ugashik, Alaska · 1905 days ago · 122 km deep · 51 km away · felt by 1
  24. 1.8100 km ESE of Ugashik, Alaska · 1904 days ago · 70 km deep · 74 km away
  25. 2.125 km SSE of Port Heiden, Alaska · 1904 days ago · 10 km deep · 85 km away

Before

  1. 2.331 km E of Chignik, Alaska · 1966 days ago · 92 km deep · 76 km away
  2. 3.319 km ESE of Chignik, Alaska · 1968 days ago · 96 km deep · 91 km away
  3. 2.151 km SSE of Ugashik, Alaska · 1973 days ago · 90 km deep · 25 km away
  4. 2.6132 km ESE of Chignik, Alaska · 1974 days ago · 59 km deep · 100 km away
  5. 1.783 km WSW of Karluk, Alaska · 1976 days ago · 26 km deep · 97 km away
  6. 2.295 km WSW of Karluk, Alaska · 1979 days ago · 61 km deep · 84 km away
  7. 2.4139 km E of Chignik, Alaska · 1982 days ago · 70 km deep · 95 km away
  8. 2.191 km SSE of Ugashik, Alaska · 1987 days ago · 77 km deep · 18 km away
  9. 2.249 km SE of Ugashik, Alaska · 1987 days ago · 107 km deep · 39 km away
  10. 2.7114 km E of Chignik, Alaska · 1988 days ago · 35 km deep · 83 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak02165mqx7m. Read Mon, Sep 28, 2026, 2:44 PM UTC.