Alaska earthquakes

M4.4 earthquake 100 km SE of Chignik, Alaska

A magnitude 4.4 earthquake struck 100 km SE of Chignik, Alaska on Wed, Nov 12, 2025, 5:37 AM AKST (14:37 UTC), 29 km (18 mi) below the surface.

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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
4.4 (ML, local (Richter)), light
Magnitude from
Alaska Earthquake Center
Local time
UTC
2025-11-12 14:37:51 UTC
Depth
29.4 km (18.3 mi), shallow
Epicenter
55.592° N, 157.392° W
Region
Alaska
Strongest shaking
III, weak shaking
Tsunami flag
No
Status
Reviewed by a seismologist

Magnitude estimates

Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.

Mag.ScaleComputed byNotes
4.4ML, local (Richter)Alaska Earthquake CenterPreferred · Preliminary
4.5Mwr, regional momentUSGS National Earthquake Information CenterReviewed · ±0.057 · 30 stations

Shaking

The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.

Strongest estimated
III, weak shaking
Peak ground acceleration
0.2% of gravity
Peak ground velocity
0.1 cm/s
Map
Automatic
USGS ShakeMap: estimated shaking intensity around the epicenter
Estimated shaking intensity. Map: USGS ShakeMap.

Did you feel it?

No one has reported feeling this quake to the USGS.

Did You Feel It? map: shaking reported by the public
Shaking reported by the public, by area. Map: USGS Did You Feel It?

Fault motion and ground failure

How the rock slipped, from the moment tensor, and the USGS estimate of landslides and liquefaction.

Faulting
Normal
Moment magnitude
4.5 Mwr
Nodal plane 1
Strike 54°, dip 36°, rake -68°
Nodal plane 2
Strike 207°, dip 57°, rake -106°

How well it is located

Reviewed by a seismologist.

Stations used
91

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 25 in the 60 days after this one and 7 in the 30 days before it.

After

  1. 2.127 km SSE of Chignik, Alaska · 324 days ago · 54 km deep · 75 km away
  2. 2.6109 km E of Chignik, Alaska · 323 days ago · 11 km deep · 98 km away
  3. 2.357 km SE of Perryville, Alaska · 323 days ago · 13 km deep · 70 km away
  4. 2.8131 km SE of Chignik, Alaska · 318 days ago · 19 km deep · 31 km away
  5. 4.3120 km E of Chignik, Alaska · 313 days ago · 31 km deep · 96 km away
  6. 2.382 km SE of Chignik, Alaska · 312 days ago · 7 km deep · 18 km away
  7. 3.4141 km SE of Perryville, Alaska · 311 days ago · 34 km deep · 72 km away
  8. 2.6101 km SSE of Chignik, Alaska · 305 days ago · 10 km deep · 18 km away
  9. 2.6100 km SE of Perryville, Alaska · 305 days ago · 2 km deep · 33 km away
  10. 4.471 km ESE of Chignik, Alaska · 303 days ago · 9 km deep · 53 km away · felt by 2
  11. 3.364 km E of Chignik, Alaska · 303 days ago · 32 km deep · 76 km away
  12. 2.227 km ENE of Chignik, Alaska · 302 days ago · 72 km deep · 98 km away
  13. 3.5178 km SE of Perryville, Alaska · 302 days ago · 4 km deep · 85 km away
  14. 2.376 km SE of Perryville, Alaska · 294 days ago · 12 km deep · 64 km away
  15. 2.431 km SSE of Chignik Lake, Alaska · 294 days ago · 70 km deep · 86 km away
  16. 2.778 km E of Chignik, Alaska · 288 days ago · 43 km deep · 92 km away
  17. 3.1110 km ESE of Chignik, Alaska · 284 days ago · 43 km deep · 74 km away
  18. 2.667 km E of Chignik, Alaska · 283 days ago · 58 km deep · 83 km away
  19. 3.0191 km SE of Perryville, Alaska · 281 days ago · 24 km deep · 99 km away
  20. 4.2191 km SE of Perryville, Alaska · 281 days ago · 12 km deep · 97 km away
  21. 4.1190 km SE of Perryville, Alaska · 281 days ago · 14 km deep · 96 km away
  22. 3.1164 km ESE of Chignik, Alaska · 278 days ago · 45 km deep · 90 km away
  23. 2.656 km SE of Chignik, Alaska · 272 days ago · 33 km deep · 44 km away
  24. 3.2113 km E of Chignik, Alaska · 265 days ago · 65 km deep · 87 km away
  25. 3.266 km ESE of Chignik, Alaska · 264 days ago · 46 km deep · 62 km away

Before

  1. 2.5108 km E of Chignik, Alaska · 328 days ago · 13 km deep · 98 km away
  2. 2.864 km SE of Perryville, Alaska · 329 days ago · 14 km deep · 72 km away
  3. 2.1103 km E of Chignik, Alaska · 341 days ago · 63 km deep · 76 km away
  4. 2.456 km SE of Perryville, Alaska · 345 days ago · 43 km deep · 65 km away
  5. 3.140 km SSE of Perryville, Alaska · 345 days ago · 34 km deep · 92 km away
  6. 1.714 km S of Chignik, Alaska · 349 days ago · 85 km deep · 90 km away
  7. 2.9112 km E of Chignik, Alaska · 350 days ago · 35 km deep · 98 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak025eiudryl (also filed as us6000rmyj). Read Fri, Oct 2, 2026, 2:40 PM UTC.