Alaska earthquakes

M2.1 earthquake 142 km SE of Chignik, Alaska

A magnitude 2.1 earthquake struck 142 km SE of Chignik, Alaska on Wed, Aug 19, 2026, 4:04 PM AKDT (00:04 UTC), 25 km (16 mi) below the surface.

A larger quake followed: M3.2 196 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
2.1 (ml), micro
Local time
UTC
2026-08-20 00:04:32 UTC
Depth
25.1 km (15.6 mi), shallow
Epicenter
55.461° N, 156.669° 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 14.2 km horizontally, 10.6 km in depth
Magnitude uncertainty
±0.10
Station coverage gap
233°, poorly surrounded by stations
Stations used
16

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 19 since this one and 17 in the 30 days before it.

After

  1. 3.2196 km SE of Perryville, Alaska · 33 days ago · 36 km deep · 82 km away
  2. 2.267 km E of Chignik, Alaska · 32 days ago · 20 km deep · 90 km away
  3. 2.2114 km E of Chignik, Alaska · 27 days ago · 11 km deep · 92 km away
  4. 2.060 km SE of Chignik, Alaska · 26 days ago · 5 km deep · 83 km away
  5. 4.8184 km SE of Perryville, Alaska · 24 days ago · 5 km deep · 73 km away
  6. 3.9125 km SE of Perryville, Alaska · 24 days ago · 118 km deep · 77 km away
  7. 3.1194 km SE of Perryville, Alaska · 23 days ago · 5 km deep · 77 km away
  8. 3.0179 km SE of Perryville, Alaska · 20 days ago · 1 km deep · 68 km away
  9. 3.5184 km SE of Perryville, Alaska · 18 days ago · 29 km deep · 77 km away
  10. 2.8118 km E of Chignik, Alaska · 13 days ago · 70 km deep · 82 km away
  11. 2.6115 km E of Chignik, Alaska · 12 days ago · 23 km deep · 88 km away
  12. 2.160 km ESE of Chignik, Alaska · 11 days ago · 24 km deep · 86 km away
  13. 2.090 km E of Chignik, Alaska · 11 days ago · 12 km deep · 81 km away
  14. 2.071 km SSE of Chignik, Alaska · 10 days ago · 2 km deep · 78 km away
  15. 4.0119 km E of Chignik, Alaska · 7 days ago · 18 km deep · 83 km away
  16. 3.2202 km SE of Perryville, Alaska · 6 days ago · 60 km deep · 86 km away
  17. 2.5120 km ESE of Perryville, Alaska · 6 days ago · 5 km deep · 57 km away
  18. 2.1109 km E of Chignik, Alaska · 4 days ago · 5 km deep · 78 km away
  19. 3.655 km SE of Chignik, Alaska · 2 days ago · 34 km deep · 88 km away

Before

  1. 1.981 km E of Chignik, Alaska · 34 days ago · 16 km deep · 95 km away
  2. 1.959 km SE of Chignik, Alaska · 42 days ago · 20 km deep · 84 km away
  3. 1.691 km ESE of Chignik, Alaska · 43 days ago · 13 km deep · 65 km away
  4. 1.673 km SSE of Chignik, Alaska · 43 days ago · 16 km deep · 79 km away
  5. 1.987 km ESE of Chignik, Alaska · 45 days ago · 2 km deep · 65 km away
  6. 3.984 km ESE of Chignik, Alaska · 45 days ago · 13 km deep · 69 km away
  7. 3.4142 km SE of Perryville, Alaska · 45 days ago · 20 km deep · 87 km away
  8. 2.166 km ESE of Chignik, Alaska · 47 days ago · 13 km deep · 90 km away
  9. 3.1202 km SE of Perryville, Alaska · 47 days ago · 20 km deep · 86 km away
  10. 2.9186 km SE of Perryville, Alaska · 48 days ago · 1 km deep · 75 km away
  11. 3.6193 km SE of Perryville, Alaska · 48 days ago · 20 km deep · 77 km away
  12. 3.9197 km SE of Perryville, Alaska · 48 days ago · 36 km deep · 81 km away
  13. 2.8199 km SE of Perryville, Alaska · 48 days ago · 20 km deep · 84 km away
  14. 2.9200 km SE of Perryville, Alaska · 48 days ago · 20 km deep · 82 km away
  15. 2.1137 km E of Chignik, Alaska · 53 days ago · 3 km deep · 85 km away
  16. 2.3124 km SE of Perryville, Alaska · 56 days ago · 12 km deep · 89 km away
  17. 3.1121 km E of Chignik, Alaska · 61 days ago · 71 km deep · 90 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event aka2026qkrfis. Read Tue, Sep 22, 2026, 8:55 PM UTC.