Alaska earthquakes

M2.7 earthquake 147 km S of False Pass, Alaska

A magnitude 2.7 earthquake struck 147 km S of False Pass, Alaska on Wed, Mar 15, 2017, 2:28 PM AKDT (22:28 UTC), 16 km (10 mi) below the surface.

A larger quake followed: M4.0 104 km S of False Pass, 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: 2.7 (ML, local (Richter)), micro
Magnitude from: USGS National Earthquake Information Center
Local time: Wed, Mar 15, 2017, 2:28 PM AKDT
UTC: 2017-03-15 22:28:00 UTC
Depth: 16.1 km (10.0 mi), shallow
Epicenter: 53.547° N, 163.742° 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
2.7	ML, local (Richter)	USGS National Earthquake Information Center	Preferred · Reviewed
2.7	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 5.5 km horizontally, 7.4 km in depth
Depth from: From location
Station coverage gap: 236°, poorly surrounded by stations
Stations used: 8

Nearest places

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

Akutan, AlaskaPopulation 1,040. Forecast148 kmESE

Nearby

Within 100 km, magnitude 1.5 and up: 103 in the 60 days after this one and 37 in the 30 days before it.

After

The first 60 of 103.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us20008sld (also filed as ak15501487, ak0173er17wn). Read Fri, Oct 2, 2026, 5:42 PM UTC.