Alaska earthquakes

M1.8 earthquake 75 km S of Akutan, Alaska

A magnitude 1.8 earthquake struck 75 km S of Akutan, Alaska on Tue, May 4, 2021, 12:18 PM AKDT (20:18 UTC), 22 km (13 mi) below the surface.

A larger quake followed: M4.7 81 km SSW of Unalaska, Alaska. This one was a foreshock.

Akutan 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, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2021-05-04 20:18:23 UTC
Depth
21.7 km (13.5 mi), shallow
Epicenter
53.467° N, 165.558° 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
15

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 21 in the 60 days after this one and 50 in the 30 days before it.

After

  1. 1.57 km N of Dutch Harbor, Alaska · 1974 days ago · 10 km deep · 84 km away
  2. 1.972 km SSE of Unalaska, Alaska · 1967 days ago · 20 km deep · 38 km away
  3. 2.191 km SE of Akutan, Alaska · 1967 days ago · 37 km deep · 54 km away
  4. 1.645 km SSE of Akutan, Alaska · 1966 days ago · 34 km deep · 34 km away
  5. 2.7110 km ESE of Akutan, Alaska · 1964 days ago · 34 km deep · 96 km away
  6. 1.988 km SSE of Akutan, Alaska · 1964 days ago · 26 km deep · 27 km away
  7. 1.773 km ESE of Akutan, Alaska · 1964 days ago · 32 km deep · 63 km away
  8. 3.733 km SSW of Unalaska, Alaska · 1960 days ago · 77 km deep · 83 km away
  9. 3.593 km ESE of Akutan, Alaska · 1956 days ago · 28 km deep · 76 km away
  10. 2.0100 km ESE of Akutan, Alaska · 1950 days ago · 48 km deep · 80 km away
  11. 3.472 km SSW of Unalaska, Alaska · 1949 days ago · 53 km deep · 89 km away
  12. 3.881 km S of Unalaska, Alaska · 1945 days ago · 35 km deep · 77 km away
  13. 1.929 km ESE of Unalaska, Alaska · 1944 days ago · 73 km deep · 52 km away
  14. 2.042 km SSW of Unalaska, Alaska · 1942 days ago · 75 km deep · 83 km away
  15. 2.636 km ESE of Unalaska, Alaska · 1932 days ago · 78 km deep · 44 km away
  16. 1.972 km SE of Akutan, Alaska · 1931 days ago · 45 km deep · 35 km away
  17. 3.080 km SSE of Akutan, Alaska · 1931 days ago · 35 km deep · 15 km away
  18. 3.454 km SSE of Akutan, Alaska · 1931 days ago · 89 km deep · 21 km away
  19. 2.792 km SSE of Akutan, Alaska · 1918 days ago · 35 km deep · 34 km away
  20. 1.877 km S of Unalaska, Alaska · 1917 days ago · 25 km deep · 85 km away
  21. 4.781 km SSW of Unalaska, Alaska · 1916 days ago · 47 km deep · 95 km away · felt by 3

Before

  1. 2.058 km SSE of Akutan, Alaska · 1976 days ago · 52 km deep · 19 km away
  2. 1.718 km SSE of Akutan, Alaska · 1977 days ago · 77 km deep · 58 km away
  3. 1.629 km W of Akutan, Alaska · 1977 days ago · 71 km deep · 85 km away
  4. 2.160 km SSE of Akutan, Alaska · 1977 days ago · 68 km deep · 30 km away
  5. 2.170 km SE of Akutan, Alaska · 1977 days ago · 75 km deep · 57 km away
  6. 2.8133 km SE of Akutan, Alaska · 1977 days ago · 10 km deep · 72 km away
  7. 1.987 km ESE of Akutan, Alaska · 1982 days ago · 50 km deep · 88 km away
  8. 2.2Unimak Island region, Alaska · 1983 days ago · 38 km deep · 98 km away
  9. 1.731 km SE of Unalaska, Alaska · 1984 days ago · 43 km deep · 50 km away
  10. 2.1106 km ESE of Akutan, Alaska · 1984 days ago · 43 km deep · 95 km away
  11. 1.899 km ESE of Akutan, Alaska · 1984 days ago · 26 km deep · 100 km away
  12. 1.684 km SSE of Akutan, Alaska · 1985 days ago · 46 km deep · 20 km away
  13. 1.9121 km SE of Akutan, Alaska · 1985 days ago · 51 km deep · 68 km away
  14. 1.9141 km SE of Akutan, Alaska · 1985 days ago · 15 km deep · 83 km away
  15. 1.730 km SW of Unalaska, Alaska · 1986 days ago · 79 km deep · 84 km away
  16. 2.2154 km SE of Akutan, Alaska · 1986 days ago · 5 km deep · 93 km away
  17. 1.778 km SSE of Akutan, Alaska · 1986 days ago · 17 km deep · 15 km away
  18. 1.865 km SE of Unalaska, Alaska · 1987 days ago · 11 km deep · 18 km away
  19. 2.8118 km ESE of Akutan, Alaska · 1988 days ago · 35 km deep · 99 km away
  20. 3.5100 km ESE of Akutan, Alaska · 1988 days ago · 19 km deep · 97 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0215penmgq. Read Thu, Oct 1, 2026, 11:11 PM UTC.