Alaska earthquakes

M2.1 earthquake 23 km SE of Ugashik, Alaska

A magnitude 2.1 earthquake struck 23 km SE of Ugashik, Alaska on Sat, Apr 3, 2021, 12:28 AM AKDT (08:28 UTC), 117 km (73 mi) below the surface.

A larger quake followed: M3.7 85 km ESE of Egegik, 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
2.1 (ml), micro
Local time
UTC
2021-04-03 08:28:37 UTC
Depth
116.9 km (72.6 mi), intermediate-depth
Epicenter
57.384° N, 157.090° 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
26

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 32 in the 60 days after this one and 22 in the 30 days before it.

After

  1. 1.974 km ENE of Ugashik, Alaska · 2002 days ago · 8 km deep · 63 km away
  2. 2.586 km SE of Ugashik, Alaska · 2000 days ago · 67 km deep · 63 km away
  3. 2.038 km SSE of Ugashik, Alaska · 1999 days ago · 14 km deep · 25 km away
  4. 3.163 km ENE of Ugashik, Alaska · 1999 days ago · 136 km deep · 59 km away · felt by 2
  5. 2.280 km ENE of Ugashik, Alaska · 1998 days ago · 127 km deep · 72 km away
  6. 2.240 km E of Ugashik, Alaska · 1998 days ago · 138 km deep · 28 km away
  7. 1.9115 km SE of Ugashik, Alaska · 1998 days ago · 20 km deep · 92 km away
  8. 2.3100 km W of Akhiok, Alaska · 1997 days ago · 7 km deep · 88 km away
  9. 1.687 km E of Ugashik, Alaska · 1996 days ago · 2 km deep · 72 km away
  10. 2.7101 km SE of Ugashik, Alaska · 1995 days ago · 57 km deep · 79 km away
  11. 2.328 km N of Pilot Point, Alaska · 1992 days ago · 189 km deep · 55 km away
  12. 1.655 km ENE of Ugashik, Alaska · 1989 days ago · 124 km deep · 51 km away
  13. 1.887 km E of Ugashik, Alaska · 1989 days ago · 76 km deep · 73 km away
  14. 2.249 km SE of Ugashik, Alaska · 1987 days ago · 107 km deep · 27 km away
  15. 2.191 km SSE of Ugashik, Alaska · 1987 days ago · 77 km deep · 73 km away
  16. 2.270 km WSW of Karluk, Alaska · 1981 days ago · 84 km deep · 94 km away
  17. 3.785 km ESE of Egegik, Alaska · 1981 days ago · 128 km deep · 83 km away
  18. 1.766 km WSW of Karluk, Alaska · 1980 days ago · 67 km deep · 97 km away
  19. 1.966 km WSW of Karluk, Alaska · 1980 days ago · 81 km deep · 95 km away
  20. 2.295 km WSW of Karluk, Alaska · 1979 days ago · 61 km deep · 74 km away
  21. 1.783 km WSW of Karluk, Alaska · 1977 days ago · 26 km deep · 88 km away
  22. 1.778 km ENE of Ugashik, Alaska · 1977 days ago · 132 km deep · 71 km away
  23. 2.151 km SSE of Ugashik, Alaska · 1973 days ago · 90 km deep · 35 km away
  24. 1.8Alaska Peninsula · 1964 days ago · 12 km deep · 60 km away
  25. 1.873 km SE of Ugashik, Alaska · 1961 days ago · 69 km deep · 50 km away
  26. 1.686 km SSE of Ugashik, Alaska · 1954 days ago · 71 km deep · 70 km away
  27. 2.633 km ENE of Port Heiden, Alaska · 1953 days ago · 141 km deep · 72 km away
  28. 1.889 km SE of Ugashik, Alaska · 1949 days ago · 0 km deep · 66 km away
  29. 2.488 km ESE of Egegik, Alaska · 1947 days ago · 7 km deep · 94 km away
  30. 2.190 km ESE of Egegik, Alaska · 1947 days ago · 10 km deep · 93 km away
  31. 2.4Alaska Peninsula · 1947 days ago · 4 km deep · 89 km away
  32. 3.186 km ESE of Egegik, Alaska · 1945 days ago · 3 km deep · 95 km away

Before

  1. 2.127 km SSE of Ugashik, Alaska · 2006 days ago · 6 km deep · 10 km away
  2. 1.680 km ESE of Egegik, Alaska · 2013 days ago · 138 km deep · 81 km away
  3. 1.640 km ESE of Ugashik, Alaska · 2016 days ago · 112 km deep · 21 km away
  4. 1.668 km SSE of Ugashik, Alaska · 2016 days ago · 83 km deep · 50 km away
  5. 2.251 km S of Ugashik, Alaska · 2017 days ago · 108 km deep · 44 km away
  6. 1.685 km E of Ugashik, Alaska · 2018 days ago · 13 km deep · 72 km away
  7. 1.925 km SE of Ugashik, Alaska · 2019 days ago · 109 km deep · 2 km away
  8. 2.849 km E of Ugashik, Alaska · 2021 days ago · 119 km deep · 36 km away
  9. 1.851 km SSE of Ugashik, Alaska · 2022 days ago · 4 km deep · 36 km away
  10. 2.266 km W of Karluk, Alaska · 2022 days ago · 93 km deep · 94 km away
  11. 2.049 km ESE of Ugashik, Alaska · 2022 days ago · 91 km deep · 28 km away
  12. 2.459 km ESE of Port Heiden, Alaska · 2023 days ago · 93 km deep · 75 km away
  13. 1.935 km NNE of Port Heiden, Alaska · 2025 days ago · 22 km deep · 80 km away
  14. 1.955 km E of Ugashik, Alaska · 2025 days ago · 91 km deep · 39 km away
  15. 1.984 km E of Ugashik, Alaska · 2027 days ago · 76 km deep · 69 km away
  16. 2.369 km W of Karluk, Alaska · 2028 days ago · 12 km deep · 91 km away
  17. 1.783 km W of Karluk, Alaska · 2030 days ago · 85 km deep · 76 km away
  18. 1.883 km ESE of Egegik, Alaska · 2031 days ago · 128 km deep · 84 km away
  19. 2.883 km E of Ugashik, Alaska · 2032 days ago · 96 km deep · 67 km away
  20. 2.254 km SE of Ugashik, Alaska · 2033 days ago · 86 km deep · 32 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak02149xwtos. Read Mon, Sep 28, 2026, 6:44 PM UTC.