Alaska earthquakes

M3.0 earthquake 26 km SSW of Nelson Lagoon, Alaska

A magnitude 3.0 earthquake struck 26 km SSW of Nelson Lagoon, Alaska on Wed, Dec 10, 2025, 12:35 PM AKST (21:35 UTC), 161 km (100 mi) below the surface.

A larger quake followed: M3.6 44 km WSW of Ivanof Bay, 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
3.0 (ML, local (Richter)), minor
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2025-12-10 21:35:21 UTC
Depth
161.1 km (100.1 mi), intermediate-depth
Epicenter
55.794° N, 161.403° W
Region
Alaska
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
3.0ML, local (Richter)USGS National Earthquake Information CenterPreferred · Reviewed · ±0.074 · 24 stations
2.7ML, local (Richter)Alaska Earthquake CenterReviewed · ±0.2 · 16 stations

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 6.6 km horizontally, 5.9 km in depth
Magnitude uncertainty
±0.07
Depth from
From location
Station coverage gap
104°
Stations used
25

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 11 in the 60 days after this one and 5 in the 30 days before it.

After

  1. 3.644 km WSW of Ivanof Bay, Alaska · 293 days ago · 12 km deep · 77 km away
  2. 2.859 km SW of Nelson Lagoon, Alaska · 278 days ago · 116 km deep · 34 km away
  3. 2.455 km E of King Cove, Alaska · 273 days ago · 74 km deep · 83 km away
  4. 2.45 km E of Nelson Lagoon, Alaska · 267 days ago · 153 km deep · 29 km away
  5. 2.724 km ESE of Sand Point, Alaska · 266 days ago · 65 km deep · 100 km away
  6. 2.821 km SE of Sand Point, Alaska · 266 days ago · 29 km deep · 98 km away
  7. 2.948 km S of Nelson Lagoon, Alaska · 265 days ago · 109 km deep · 30 km away
  8. 3.143 km NNW of Nelson Lagoon, Alaska · 249 days ago · 206 km deep · 60 km away
  9. 2.247 km SW of Sand Point, Alaska · 241 days ago · 63 km deep · 86 km away
  10. 2.252 km NNE of Cold Bay, Alaska · 240 days ago · 162 km deep · 63 km away
  11. 2.712 km N of Sand Point, Alaska · 236 days ago · 74 km deep · 69 km away

Before

  1. 2.424 km WNW of Sand Point, Alaska · 297 days ago · 75 km deep · 56 km away
  2. 3.560 km WSW of Nelson Lagoon, Alaska · 298 days ago · 177 km deep · 48 km away
  3. 2.349 km SSW of Nelson Lagoon, Alaska · 305 days ago · 154 km deep · 24 km away
  4. 3.558 km SSW of Nelson Lagoon, Alaska · 308 days ago · 164 km deep · 32 km away
  5. 2.744 km NE of Cold Bay, Alaska · 315 days ago · 163 km deep · 63 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000s868 (also filed as ak2025yhhbgz). Read Fri, Oct 2, 2026, 7:27 AM UTC.