Alaska earthquakes

M1.7 earthquake 14 km S of Chignik, Alaska

A magnitude 1.7 earthquake struck 14 km S of Chignik, Alaska on Sat, Oct 18, 2025, 4:25 PM AKDT (00:25 UTC), 85 km (53 mi) below the surface.

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

A larger quake followed: M4.4 100 km SE 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, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2025-10-19 00:25:54 UTC
Depth
85.4 km (53.1 mi), intermediate-depth
Epicenter
56.166° N, 158.404° 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: 21 in the 60 days after this one and 12 in the 30 days before it.

After

  1. 3.140 km SSE of Perryville, Alaska · 345 days ago · 34 km deep · 71 km away
  2. 2.456 km SE of Perryville, Alaska · 345 days ago · 43 km deep · 61 km away
  3. 1.522 km N of Chignik, Alaska · 339 days ago · 11 km deep · 36 km away
  4. 1.719 km WNW of Chignik Lake, Alaska · 339 days ago · 127 km deep · 43 km away
  5. 2.46 km NNE of Chignik Lagoon, Alaska · 337 days ago · 94 km deep · 22 km away
  6. 2.864 km SE of Perryville, Alaska · 329 days ago · 14 km deep · 79 km away
  7. 4.4100 km SE of Chignik, Alaska · 324 days ago · 29 km deep · 90 km away
  8. 2.127 km SSE of Chignik, Alaska · 324 days ago · 54 km deep · 15 km away
  9. 2.357 km SE of Perryville, Alaska · 323 days ago · 13 km deep · 69 km away
  10. 2.382 km SE of Chignik, Alaska · 312 days ago · 7 km deep · 72 km away
  11. 2.583 km ENE of Chignik, Alaska · 305 days ago · 75 km deep · 92 km away
  12. 2.6101 km SSE of Chignik, Alaska · 305 days ago · 10 km deep · 89 km away
  13. 2.6100 km SE of Perryville, Alaska · 305 days ago · 2 km deep · 92 km away
  14. 2.129 km N of Ivanof Bay, Alaska · 303 days ago · 24 km deep · 66 km away
  15. 4.471 km ESE of Chignik, Alaska · 303 days ago · 9 km deep · 68 km away · felt by 2
  16. 3.364 km E of Chignik, Alaska · 302 days ago · 32 km deep · 65 km away
  17. 2.227 km ENE of Chignik, Alaska · 302 days ago · 72 km deep · 36 km away
  18. 2.430 km N of Chignik Lagoon, Alaska · 301 days ago · 112 km deep · 47 km away
  19. 2.918 km S of Ivanof Bay, Alaska · 299 days ago · 5 km deep · 84 km away
  20. 2.376 km SE of Perryville, Alaska · 294 days ago · 12 km deep · 86 km away
  21. 2.431 km SSE of Chignik Lake, Alaska · 294 days ago · 70 km deep · 20 km away

Before

  1. 2.515 km SSE of Perryville, Alaska · 349 days ago · 62 km deep · 58 km away
  2. 3.457 km SSE of Perryville, Alaska · 354 days ago · 20 km deep · 78 km away
  3. 2.653 km ESE of Chignik, Alaska · 358 days ago · 70 km deep · 51 km away
  4. 2.251 km SSE of Perryville, Alaska · 362 days ago · 16 km deep · 78 km away
  5. 2.992 km ESE of Chignik, Alaska · 365 days ago · 76 km deep · 86 km away
  6. 1.930 km ESE of Perryville, Alaska · 366 days ago · 49 km deep · 38 km away
  7. 1.629 km NNE of Chignik, Alaska · 367 days ago · 85 km deep · 43 km away
  8. 1.720 km S of Ivanof Bay, Alaska · 372 days ago · 12 km deep · 81 km away
  9. 2.274 km S of Ugashik, Alaska · 372 days ago · 124 km deep · 91 km away
  10. 2.172 km SSW of Ugashik, Alaska · 373 days ago · 112 km deep · 90 km away
  11. 1.871 km SSW of Ugashik, Alaska · 374 days ago · 3 km deep · 90 km away
  12. 2.843 km ESE of Perryville, Alaska · 378 days ago · 36 km deep · 38 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak025dex2tbr. Read Fri, Oct 2, 2026, 11:50 AM UTC.