Alaska earthquakes

M2.6 earthquake 21 km W of Adak, Alaska

A magnitude 2.6 earthquake struck 21 km W of Adak, Alaska on Fri, Mar 14, 2025, 6:46 AM HADT (15:46 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M5.0 85 km SSE of Adak, Alaska. This one was a foreshock.

Map

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The earthquake

Magnitude: 2.6 (ML, local (Richter)), micro
Magnitude from: USGS National Earthquake Information Center
Local time: Fri, Mar 14, 2025, 6:46 AM HADT
UTC: 2025-03-14 15:46:12 UTC
Depth: 10.0 km (6.2 mi), shallow
Epicenter: 51.893° N, 176.945° 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
2.6	ML, local (Richter)	USGS National Earthquake Information Center	Preferred · Reviewed · ±0.091 · 16 stations
2.3	ML, local (Richter)	Alaska Earthquake Center	Preliminary
2.5	ML, local (Richter)	AV	Final · ±0.239626326842078 · 18 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 1.2 km horizontally, 1.9 km in depth
Magnitude uncertainty: ±0.09
Depth from: Operator assigned
Station coverage gap: 148°
Stations used: 14

Nearby

Within 100 km, magnitude 1.5 and up: at least 199 in the 60 days after this one and 171 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 us6000pz34 (also filed as av93036039, ak0253czfq10). Read Thu, Oct 1, 2026, 11:30 PM UTC.