Alaska earthquakes

M2.6 earthquake 260 km WSW of Adak, Alaska

A magnitude 2.6 earthquake struck 260 km WSW of Adak, Alaska on Sun, Feb 16, 2020, 12:46 PM GMT+12 (00:46 UTC), 64 km (40 mi) below the surface.

A larger quake followed: M5.7 239 km WSW of Adak, Alaska. This one was a foreshock.

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The earthquake

Magnitude: 2.6 (ml), micro
Local time: Sun, Feb 16, 2020, 12:46 PM GMT+12
UTC: 2020-02-16 00:46:42 UTC
Depth: 64.1 km (39.8 mi), shallow
Epicenter: 51.475° N, 179.658° E
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 7.6 km horizontally, 7.9 km in depth
Magnitude uncertainty: ±0.13
Depth from: From location
Station coverage gap: 162°
Stations used: 19

Nearby

Within 100 km, magnitude 1.5 and up: 106 in the 60 days after this one and 160 in the 30 days before it.

After

The first 60 of 106.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us60008451 (also filed as ak02025qj9ej). Read Wed, Sep 30, 2026, 6:27 PM UTC.