Alaska earthquakes

M2.6 earthquake 72 km ESE of Chignik, Alaska

A magnitude 2.6 earthquake struck 72 km ESE of Chignik, Alaska on Wed, Feb 17, 2021, 4:10 PM AKST (01:10 UTC), 43 km (27 mi) below the surface.

A larger quake followed: M3.7 114 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
2.6 (ml), micro
Local time
UTC
2021-02-18 01:10:40 UTC
Depth
43.4 km (27.0 mi), shallow
Epicenter
55.938° N, 157.433° 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
57

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 37 in the 60 days after this one and 24 in the 30 days before it.

After

  1. 2.570 km SE of Perryville, Alaska · 2045 days ago · 26 km deep · 83 km away
  2. 2.38 km WNW of Chignik Lagoon, Alaska · 2045 days ago · 111 km deep · 87 km away
  3. 3.650 km SSE of Chignik, Alaska · 2042 days ago · 48 km deep · 51 km away
  4. 2.554 km S of Chignik, Alaska · 2041 days ago · 41 km deep · 54 km away
  5. 2.558 km E of Chignik, Alaska · 2041 days ago · 60 km deep · 36 km away
  6. 2.3112 km SSE of Ugashik, Alaska · 2039 days ago · 75 km deep · 92 km away
  7. 3.1116 km ENE of Chignik, Alaska · 2037 days ago · 73 km deep · 84 km away
  8. 2.223 km ENE of Chignik, Alaska · 2035 days ago · 68 km deep · 61 km away
  9. 2.222 km S of Chignik Lake, Alaska · 2034 days ago · 65 km deep · 82 km away
  10. 3.1101 km SE of Perryville, Alaska · 2034 days ago · 21 km deep · 98 km away
  11. 2.757 km ENE of Chignik, Alaska · 2033 days ago · 66 km deep · 61 km away
  12. 3.7114 km SE of Perryville, Alaska · 2032 days ago · 11 km deep · 97 km away
  13. 2.5102 km SE of Perryville, Alaska · 2032 days ago · 26 km deep · 92 km away
  14. 2.445 km SE of Port Heiden, Alaska · 2032 days ago · 94 km deep · 92 km away
  15. 2.237 km ENE of Chignik, Alaska · 2030 days ago · 65 km deep · 59 km away
  16. 2.399 km SE of Perryville, Alaska · 2023 days ago · 23 km deep · 99 km away
  17. 2.459 km ESE of Port Heiden, Alaska · 2021 days ago · 93 km deep · 97 km away
  18. 2.494 km SE of Perryville, Alaska · 2018 days ago · 26 km deep · 89 km away
  19. 2.446 km E of Chignik, Alaska · 2018 days ago · 45 km deep · 41 km away
  20. 2.328 km SE of Chignik, Alaska · 2017 days ago · 78 km deep · 44 km away
  21. 3.093 km SE of Perryville, Alaska · 2015 days ago · 7 km deep · 94 km away
  22. 2.823 km ESE of Chignik, Alaska · 2009 days ago · 63 km deep · 48 km away
  23. 3.790 km SE of Perryville, Alaska · 2006 days ago · 9 km deep · 69 km away
  24. 3.035 km S of Chignik, Alaska · 2006 days ago · 57 km deep · 55 km away
  25. 2.630 km NE of Chignik, Alaska · 2005 days ago · 77 km deep · 77 km away
  26. 2.534 km ENE of Chignik, Alaska · 2003 days ago · 65 km deep · 59 km away
  27. 2.9141 km SE of Perryville, Alaska · 1998 days ago · 36 km deep · 89 km away
  28. 2.4106 km E of Chignik, Alaska · 1995 days ago · 37 km deep · 52 km away
  29. 2.378 km E of Chignik, Alaska · 1995 days ago · 23 km deep · 32 km away
  30. 2.127 km E of Chignik, Alaska · 1995 days ago · 62 km deep · 51 km away
  31. 2.670 km SSE of Chignik, Alaska · 1995 days ago · 36 km deep · 37 km away
  32. 2.6114 km E of Chignik, Alaska · 1993 days ago · 51 km deep · 64 km away
  33. 2.561 km ESE of Chignik, Alaska · 1992 days ago · 55 km deep · 15 km away
  34. 2.679 km SE of Perryville, Alaska · 1992 days ago · 26 km deep · 80 km away
  35. 2.9108 km SE of Perryville, Alaska · 1990 days ago · 26 km deep · 97 km away
  36. 2.788 km SE of Perryville, Alaska · 1987 days ago · 5 km deep · 87 km away
  37. 2.588 km SE of Perryville, Alaska · 1987 days ago · 26 km deep · 88 km away

Before

  1. 2.427 km E of Chignik, Alaska · 2047 days ago · 63 km deep · 52 km away
  2. 2.849 km SE of Perryville, Alaska · 2049 days ago · 28 km deep · 85 km away
  3. 2.847 km SSE of Chignik, Alaska · 2050 days ago · 25 km deep · 36 km away
  4. 3.675 km SE of Chignik, Alaska · 2055 days ago · 34 km deep · 5 km away
  5. 1.953 km ENE of Chignik, Alaska · 2057 days ago · 57 km deep · 56 km away
  6. 2.868 km SE of Perryville, Alaska · 2057 days ago · 26 km deep · 72 km away
  7. 2.4137 km E of Chignik, Alaska · 2057 days ago · 3 km deep · 83 km away
  8. 3.287 km ESE of Chignik, Alaska · 2058 days ago · 9 km deep · 21 km away
  9. 2.441 km SSE of Chignik, Alaska · 2060 days ago · 75 km deep · 38 km away
  10. 2.781 km E of Chignik, Alaska · 2061 days ago · 31 km deep · 52 km away
  11. 2.5Alaska Peninsula · 2061 days ago · 7 km deep · 74 km away
  12. 2.376 km SE of Perryville, Alaska · 2062 days ago · 26 km deep · 81 km away
  13. 2.0134 km E of Chignik, Alaska · 2063 days ago · 20 km deep · 90 km away
  14. 3.2Alaska Peninsula · 2064 days ago · 33 km deep · 77 km away
  15. 2.877 km SE of Chignik, Alaska · 2067 days ago · 9 km deep · 5 km away
  16. 3.443 km SSE of Perryville, Alaska · 2068 days ago · 15 km deep · 99 km away
  17. 2.8Alaska Peninsula · 2069 days ago · 45 km deep · 49 km away
  18. 2.473 km SE of Perryville, Alaska · 2070 days ago · 34 km deep · 68 km away
  19. 2.499 km ESE of Chignik, Alaska · 2071 days ago · 46 km deep · 40 km away
  20. 2.033 km E of Chignik, Alaska · 2071 days ago · 57 km deep · 48 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021291zor4 (also filed as us7000dfdb). Read Sat, Sep 26, 2026, 7:44 PM UTC.