Alaska earthquakes

M2.5 earthquake 142 km S of False Pass, Alaska

A magnitude 2.5 earthquake struck 142 km S of False Pass, Alaska on Sat, Jun 18, 2016, 1:25 PM AKDT (21:25 UTC), 40 km (25 mi) below the surface.

A larger quake followed: M4.0 164 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
2.5 (ML, local (Richter)), micro
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2016-06-18 21:25:42 UTC
Depth
39.6 km (24.6 mi), shallow
Epicenter
53.574° N, 163.405° 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.ScaleComputed byNotes
2.5ML, local (Richter)USGS National Earthquake Information CenterPreferred · Reviewed
2.5ML, local (Richter)Alaska Earthquake CenterPreliminary

Did you feel it?

No one has reported feeling this quake to the USGS.

Did You Feel It? map: shaking reported by the public
Shaking reported by the public, by area. Map: USGS Did You Feel It?

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 7.9 km horizontally, 10.1 km in depth
Stations used
16

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 110 in the 60 days after this one and 43 in the 30 days before it.

After

The first 60 of 110.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us2000664w (also filed as ak13682444, ak0167ti0jun). Read Sun, Oct 4, 2026, 4:30 AM UTC.