Alaska earthquakes

M3.1 earthquake 105 km N of Yakutat, Alaska

A magnitude 3.1 earthquake struck 105 km N of Yakutat, Alaska on Mon, Dec 8, 2025, 5:16 PM AKST (02:16 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M5.7 111 km N of Yakutat, Alaska. This one was a foreshock.

Yakutat forecast More in Alaska

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The earthquake

Magnitude: 3.1 (ML, local (Richter)), minor
Magnitude from: USGS National Earthquake Information Center
Local time: Mon, Dec 8, 2025, 5:16 PM AKST
UTC: 2025-12-09 02:16:28 UTC
Depth: 5.0 km (3.1 mi), shallow
Epicenter: 60.489° N, 139.794° 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.	Scale	Computed by	Notes
3.1	ML, local (Richter)	USGS National Earthquake Information Center	Preferred · Reviewed · ±0.038 · 92 stations
3.3	ML, local (Richter)	Alaska Earthquake Center	Reviewed · ±0.3 · 33 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 3.1 km horizontally, 2.0 km in depth
Magnitude uncertainty: ±0.04
Depth from: Operator assigned
Station coverage gap: 49°
Stations used: 42

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: at least 202 in the 60 days after this one and at least 200 in the 30 days before it.

After

The first 60 of at least 202.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000rtjw (also filed as ak2025ydywpb). Read Fri, Oct 2, 2026, 11:34 PM UTC.