Alaska earthquakes

M3.5 earthquake 113 km SE of Perryville, Alaska

A magnitude 3.5 earthquake struck 113 km SE of Perryville, Alaska on Sat, May 29, 2021, 9:37 PM AKDT (05:37 UTC), 40 km (25 mi) below the surface.

A larger quake followed: M3.8 123 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
3.5 (mb), minor
Local time
UTC
2021-05-30 05:37:41 UTC
Depth
40.0 km (24.9 mi), shallow
Epicenter
55.183° N, 157.878° 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.

Location uncertainty
About 6.1 km horizontally, 21.3 km in depth
Magnitude uncertainty
±0.19
Depth from
From location
Station coverage gap
150°
Stations used
57

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 28 in the 60 days after this one and 5 in the 30 days before it.

After

  1. 3.8123 km SE of Perryville, Alaska · 1937 days ago · 28 km deep · 21 km away
  2. 2.8107 km SE of Chignik, Alaska · 1934 days ago · 5 km deep · 79 km away
  3. 3.072 km S of Perryville, Alaska · 1925 days ago · 34 km deep · 68 km away
  4. 2.577 km SE of Chignik, Alaska · 1924 days ago · 20 km deep · 85 km away
  5. 3.6124 km SE of Perryville, Alaska · 1916 days ago · 34 km deep · 11 km away
  6. 1.587 km SE of Sand Point, Alaska · 1914 days ago · 11 km deep · 99 km away
  7. 2.272 km SE of Perryville, Alaska · 1907 days ago · 4 km deep · 41 km away
  8. 3.3141 km SE of Perryville, Alaska · 1906 days ago · 1 km deep · 28 km away
  9. 2.8125 km SE of Perryville, Alaska · 1906 days ago · 35 km deep · 11 km away
  10. 1.978 km ESE of Sand Point, Alaska · 1904 days ago · 5 km deep · 100 km away
  11. 2.4150 km SE of Perryville, Alaska · 1904 days ago · 20 km deep · 39 km away
  12. 2.1196 km SE of Perryville, Alaska · 1899 days ago · 27 km deep · 83 km away
  13. 2.8135 km SE of Chignik, Alaska · 1898 days ago · 28 km deep · 46 km away
  14. 2.6119 km SSE of Perryville, Alaska · 1898 days ago · 21 km deep · 48 km away
  15. 3.088 km ESE of Sand Point, Alaska · 1897 days ago · 6 km deep · 98 km away
  16. 3.467 km SE of Perryville, Alaska · 1896 days ago · 5 km deep · 47 km away
  17. 2.575 km SSE of Perryville, Alaska · 1896 days ago · 32 km deep · 44 km away
  18. 2.693 km SE of Sand Point, Alaska · 1896 days ago · 10 km deep · 98 km away
  19. 2.1117 km SSE of Perryville, Alaska · 1895 days ago · 33 km deep · 48 km away
  20. 1.896 km SSE of Perryville, Alaska · 1894 days ago · 44 km deep · 27 km away
  21. 2.8139 km SSE of Perryville, Alaska · 1894 days ago · 7 km deep · 42 km away
  22. 1.986 km ESE of Sand Point, Alaska · 1894 days ago · 6 km deep · 94 km away
  23. 2.1151 km SSE of Perryville, Alaska · 1893 days ago · 34 km deep · 62 km away
  24. 2.243 km S of Chignik, Alaska · 1892 days ago · 48 km deep · 85 km away
  25. 1.974 km SE of Perryville, Alaska · 1891 days ago · 25 km deep · 41 km away
  26. 2.487 km SE of Perryville, Alaska · 1890 days ago · 15 km deep · 26 km away
  27. 2.0south of Alaska · 1887 days ago · 27 km deep · 48 km away
  28. 1.876 km SSE of Perryville, Alaska · 1887 days ago · 25 km deep · 44 km away

Before

  1. 3.5106 km SSE of Perryville, Alaska · 1947 days ago · 42 km deep · 41 km away
  2. 2.7108 km SE of Perryville, Alaska · 1954 days ago · 33 km deep · 13 km away
  3. 2.471 km SSE of Chignik, Alaska · 1957 days ago · 8 km deep · 62 km away
  4. 2.558 km ESE of Chignik, Alaska · 1959 days ago · 45 km deep · 99 km away
  5. 2.348 km SE of Chignik, Alaska · 1973 days ago · 36 km deep · 84 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000efxs. Read Thu, Sep 24, 2026, 3:42 PM UTC.