Alaska earthquakes

M1.6 earthquake 11 km NNE of Adak, Alaska

A magnitude 1.6 earthquake struck 11 km NNE of Adak, Alaska on Mon, Feb 3, 2025, 6:16 AM HAST (16:16 UTC), 24 km (15 mi) below the surface.

A larger quake followed: M6.2 88 km SSE of Adak, Alaska. This one was a foreshock.

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The earthquake

Magnitude
1.6 (ML, local (Richter)), micro
Magnitude from
AV
Local time
UTC
2025-02-03 16:16:12 UTC
Depth
24.4 km (15.1 mi), shallow
Epicenter
51.964° N, 176.559° W
Region
Alaska
Tsunami flag
No
Status
Reviewed by a seismologist

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, 0.8 km in depth
Magnitude uncertainty
±0.28
Depth from
From location
Station coverage gap
127°
Stations used
7

Nearby

Within 100 km, magnitude 1.5 and up: at least 202 in the 60 days after this one and 113 in the 30 days before it.

After

The first 60 of at least 202.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event av93031739. Read Thu, Oct 1, 2026, 10:25 PM UTC.