Alaska earthquakes

M1.7 earthquake 51 km NE of Chignik, Alaska

A magnitude 1.7 earthquake struck 51 km NE of Chignik, Alaska on Sun, Sep 13, 2026, 12:07 PM AKDT (20:07 UTC), 84 km (52 mi) below the surface.

A larger quake followed: M4.0 119 km E of Chignik, 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
1.7 (ml), micro
Local time
UTC
2026-09-13 20:07:11 UTC
Depth
83.5 km (51.9 mi), intermediate-depth
Epicenter
56.648° N, 157.859° 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. If you felt it, tell the USGS: every report sharpens the shaking map.

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 18.7 km horizontally, 4.8 km in depth
Magnitude uncertainty
±0.30
Station coverage gap
185°, poorly surrounded by stations
Stations used
22

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 16 since this one and 32 in the 30 days before it.

After

  1. 1.890 km SSE of Ugashik, Alaska · 14 days ago · 22 km deep · 69 km away
  2. 2.130 km E of Chignik, Alaska · 13 days ago · 10 km deep · 39 km away
  3. 4.0119 km E of Chignik, Alaska · 13 days ago · 18 km deep · 98 km away
  4. 2.236 km SSE of Ugashik, Alaska · 13 days ago · 5 km deep · 70 km away
  5. 2.564 km SE of Ugashik, Alaska · 11 days ago · 98 km deep · 94 km away
  6. 2.439 km SSE of Chignik, Alaska · 10 days ago · 57 km deep · 77 km away
  7. 1.636 km ENE of Chignik, Alaska · 10 days ago · 75 km deep · 22 km away
  8. 2.1109 km E of Chignik, Alaska · 10 days ago · 1 km deep · 91 km away
  9. 2.549 km ESE of Chignik, Alaska · 10 days ago · 52 km deep · 53 km away
  10. 1.772 km SSE of Ugashik, Alaska · 9 days ago · 6 km deep · 62 km away
  11. 1.783 km SSE of Ugashik, Alaska · 9 days ago · 74 km deep · 50 km away
  12. 3.655 km SE of Chignik, Alaska · 8 days ago · 34 km deep · 78 km away
  13. 2.8112 km E of Chignik, Alaska · 8 days ago · 1 km deep · 95 km away
  14. 3.3129 km E of Chignik, Alaska · 3 days ago · 6 km deep · 100 km away
  15. 2.11 km SSE of Chignik Lake, Alaska · 3 days ago · 94 km deep · 71 km away
  16. 2.9124 km SSE of Ugashik, Alaska · 19 hr ago · 4 km deep · 96 km away

Before

  1. 1.795 km SE of Ugashik, Alaska · 15 days ago · 7 km deep · 87 km away
  2. 1.662 km SSW of Ugashik, Alaska · 16 days ago · 10 km deep · 37 km away
  3. 2.090 km E of Chignik, Alaska · 16 days ago · 12 km deep · 77 km away
  4. 2.160 km ESE of Chignik, Alaska · 17 days ago · 24 km deep · 68 km away
  5. 2.0102 km ENE of Chignik, Alaska · 17 days ago · 2 km deep · 62 km away
  6. 2.6115 km E of Chignik, Alaska · 18 days ago · 23 km deep · 92 km away
  7. 2.8118 km E of Chignik, Alaska · 19 days ago · 70 km deep · 97 km away
  8. 2.713 km NW of Chignik Lake, Alaska · 19 days ago · 7 km deep · 72 km away
  9. 2.848 km SSW of Ugashik, Alaska · 24 days ago · 3 km deep · 52 km away
  10. 2.8128 km E of Chignik, Alaska · 26 days ago · 27 km deep · 96 km away
  11. 2.3113 km SSE of Ugashik, Alaska · 27 days ago · 73 km deep · 85 km away
  12. 2.9119 km SSE of Ugashik, Alaska · 27 days ago · 56 km deep · 92 km away
  13. 2.376 km SSE of Ugashik, Alaska · 27 days ago · 81 km deep · 69 km away
  14. 2.326 km E of Chignik, Alaska · 31 days ago · 84 km deep · 42 km away
  15. 2.060 km SE of Chignik, Alaska · 32 days ago · 5 km deep · 82 km away
  16. 2.289 km E of Chignik, Alaska · 32 days ago · 29 km deep · 62 km away
  17. 2.062 km SE of Ugashik, Alaska · 32 days ago · 2 km deep · 83 km away
  18. 1.962 km SE of Ugashik, Alaska · 32 days ago · 6 km deep · 83 km away
  19. 2.160 km SE of Ugashik, Alaska · 32 days ago · 1 km deep · 85 km away
  20. 2.067 km SE of Ugashik, Alaska · 32 days ago · 4 km deep · 83 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event aka2026senvsd. Read Mon, Sep 28, 2026, 10:57 AM UTC.