Alaska earthquakes

M2.8 earthquake 43 km NW of Beluga, Alaska

A magnitude 2.8 earthquake struck 43 km NW of Beluga, Alaska on Mon, Feb 19, 2018, 6:59 PM AKST (03:59 UTC), 81 km (50 mi) below the surface.

A larger quake followed: M4.1 3 km NNE of Big Lake, Alaska. This one was a foreshock.

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Map

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

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The earthquake

Magnitude: 2.8 (ML, local (Richter)), micro
Magnitude from: Alaska Earthquake Center
Local time: Mon, Feb 19, 2018, 6:59 PM AKST
UTC: 2018-02-20 03:59:56 UTC
Depth: 81.0 km (50.3 mi), intermediate-depth
Epicenter: 61.446° N, 151.595° W
Region: Alaska
Felt reports: 1
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
2.8	ML, local (Richter)	Alaska Earthquake Center	Preferred · Preliminary
2.8	ML, local (Richter)	USGS National Earthquake Information Center	Reviewed

Did you feel it?

1 person reported to the USGS what they felt; the strongest reported shaking was I, not felt shaking.

How well it is located

Reviewed by a seismologist.

Stations used: 154

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: at least 199 in the 60 days after this one and 120 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 ak0182cejrm8 (also filed as ak18464305, us2000d54l). Read Sat, Oct 3, 2026, 8:38 PM UTC.