Alaska earthquakes

M3.9 earthquake 103 km S of Perryville, Alaska

A magnitude 3.9 earthquake struck 103 km S of Perryville, Alaska on Sun, Jan 24, 2016, 1:38 AM AKST (10:38 UTC), 71 km (44 mi) below the surface.

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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
3.9 (ML, local (Richter)), minor
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2016-01-24 10:38:25 UTC
Depth
70.9 km (44.1 mi), intermediate-depth
Epicenter
54.995° N, 158.831° 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.ScaleComputed byNotes
3.9ML, local (Richter)USGS National Earthquake Information CenterPreferred · Reviewed · ±0.148 · 6 stations
3.8ML, local (Richter)Alaska Earthquake CenterPreliminary

What happened

The USGS’s account of the effects of this earthquake.

Felt at King Cove.

From the USGS event page for us20004vru. U.S. Geological Survey text and figures are in the public domain.

Did you feel it?

1 person reported to the USGS what they felt; the strongest reported shaking was II, weak shaking.

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 9.1 km horizontally, 7.6 km in depth
Magnitude uncertainty
±0.15
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: 15 in the 60 days after this one and 6 in the 30 days before it.

After

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us20004vru (also filed as ak12560161, ak01613v2v1t). Read Sun, Oct 4, 2026, 2:32 PM UTC.