Alaska earthquakes

M1.6 earthquake 29 km NNE of Chignik, Alaska

A magnitude 1.6 earthquake struck 29 km NNE of Chignik, Alaska on Tue, Sep 30, 2025, 10:38 AM AKDT (18:38 UTC), 85 km (53 mi) below the surface.

Automatic solution: the magnitude and location may still be revised.

A larger quake followed: M2.6 53 km ESE 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
1.6 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2025-09-30 18:38:02 UTC
Depth
85.2 km (52.9 mi), intermediate-depth
Epicenter
56.547° N, 158.254° W
Region
Alaska
Tsunami flag
No
Status
Automatic solution, may be revised

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

An automatic solution; a seismologist may revise it.

Stations used
10

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 13 in the 60 days after this one and 10 in the 30 days before it.

After

  1. 2.544 km S of Ugashik, Alaska · 366 days ago · 3 km deep · 79 km away
  2. 1.930 km ESE of Perryville, Alaska · 366 days ago · 49 km deep · 81 km away
  3. 2.3106 km E of Chignik, Alaska · 364 days ago · 54 km deep · 97 km away
  4. 2.239 km SSE of Ugashik, Alaska · 358 days ago · 35 km deep · 97 km away
  5. 2.653 km ESE of Chignik, Alaska · 358 days ago · 70 km deep · 61 km away
  6. 2.515 km SSE of Perryville, Alaska · 349 days ago · 62 km deep · 98 km away
  7. 1.714 km S of Chignik, Alaska · 348 days ago · 85 km deep · 43 km away
  8. 1.522 km N of Chignik, Alaska · 339 days ago · 11 km deep · 10 km away
  9. 1.719 km WNW of Chignik Lake, Alaska · 339 days ago · 127 km deep · 52 km away
  10. 2.46 km NNE of Chignik Lagoon, Alaska · 337 days ago · 94 km deep · 25 km away
  11. 1.953 km SSE of Ugashik, Alaska · 331 days ago · 33 km deep · 98 km away
  12. 2.127 km SSE of Chignik, Alaska · 324 days ago · 54 km deep · 54 km away
  13. 2.561 km SSW of Ugashik, Alaska · 314 days ago · 3 km deep · 59 km away

Before

  1. 2.652 km SSW of Pilot Point, Alaska · 369 days ago · 130 km deep · 68 km away
  2. 2.274 km S of Ugashik, Alaska · 372 days ago · 124 km deep · 53 km away
  3. 2.172 km SSW of Ugashik, Alaska · 373 days ago · 112 km deep · 49 km away
  4. 1.871 km SSW of Ugashik, Alaska · 373 days ago · 3 km deep · 48 km away
  5. 2.344 km SSW of Ugashik, Alaska · 377 days ago · 5 km deep · 76 km away
  6. 2.843 km ESE of Perryville, Alaska · 378 days ago · 36 km deep · 81 km away
  7. 2.595 km E of Chignik, Alaska · 379 days ago · 17 km deep · 90 km away
  8. 1.938 km ESE of Chignik, Alaska · 389 days ago · 32 km deep · 51 km away
  9. 2.326 km N of Chignik, Alaska · 391 days ago · 95 km deep · 7 km away
  10. 2.7106 km E of Chignik, Alaska · 392 days ago · 18 km deep · 96 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak025cjsnp5n. Read Fri, Oct 2, 2026, 7:45 AM UTC.