Alaska earthquakes

M2.7 earthquake 46 km ENE of Adak, Alaska

A magnitude 2.7 earthquake struck 46 km ENE of Adak, Alaska on Sun, Nov 23, 2025, 11:33 PM HAST (09:33 UTC), 132 km (82 mi) below the surface.

A larger quake followed: M4.9 57 km SSE of Adak, Alaska. This one was a foreshock.

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The earthquake

Magnitude: 2.7 (ML, local (Richter)), micro
Magnitude from: USGS National Earthquake Information Center
Local time: Sun, Nov 23, 2025, 11:33 PM HAST
UTC: 2025-11-24 09:33:06 UTC
Depth: 132.4 km (82.3 mi), intermediate-depth
Epicenter: 52.008° N, 176.000° 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
2.7	ML, local (Richter)	USGS National Earthquake Information Center	Preferred · Reviewed · ±0.128 · 8 stations
2.6	ML, local (Richter)	Alaska Earthquake Center	Reviewed · ±0.7 · 12 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 15.8 km horizontally, 3.9 km in depth
Magnitude uncertainty: ±0.13
Depth from: From location
Station coverage gap: 125°
Stations used: 13

Nearby

Within 100 km, magnitude 1.5 and up: 103 in the 60 days after this one and 15 in the 30 days before it.

After

The first 60 of 103.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000s8cw (also filed as ak2025xczlrr). Read Fri, Oct 2, 2026, 11:53 AM UTC.