Alaska earthquakes

M2.5 earthquake 118 km WSW of Adak, Alaska

A magnitude 2.5 earthquake struck 118 km WSW of Adak, Alaska on Mon, Nov 25, 2024, 3:58 PM HAST (01:58 UTC), 29 km (18 mi) below the surface.

A larger quake followed: M6.3 108 km SSW of Adak, Alaska. This one was a foreshock.

Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude: 2.5 (ML, local (Richter)), micro
Magnitude from: USGS National Earthquake Information Center
Local time: Mon, Nov 25, 2024, 3:58 PM HAST
UTC: 2024-11-26 01:58:03 UTC
Depth: 29.2 km (18.1 mi), shallow
Epicenter: 51.380° N, 178.156° 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
2.5	ML, local (Richter)	USGS National Earthquake Information Center	Preferred · Reviewed · ±0.128 · 8 stations
2.4	ML, local (Richter)	Alaska Earthquake Center	Preliminary

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 4.9 km horizontally, 8.9 km in depth
Magnitude uncertainty: ±0.13
Depth from: From location
Station coverage gap: 205°, poorly surrounded by stations
Stations used: 14

Nearby

Within 100 km, magnitude 1.5 and up: at least 199 in the 60 days after this one and 84 in the 30 days before it.

After

The first 60 of at least 199.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000pipf (also filed as ak024f7ftqyb). Read Thu, Oct 1, 2026, 11:01 PM UTC.