Alaska earthquakes

M3.6 earthquake 43 km ESE of Akutan, Alaska

A magnitude 3.6 earthquake struck 43 km ESE of Akutan, Alaska on Fri, May 4, 2018, 10:35 PM AKDT (06:35 UTC), 77 km (48 mi) below the surface.

A larger quake followed: M3.7 108 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
3.6 (mb), minor
Local time
UTC
2018-05-05 06:35:08 UTC
Depth
77.5 km (48.2 mi), intermediate-depth
Epicenter
54.020° N, 165.141° W
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 6.2 km horizontally, 10.2 km in depth
Magnitude uncertainty
±0.29
Depth from
From location
Station coverage gap
187°, poorly surrounded by stations
Stations used
44

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 134 in the 60 days after this one and 57 in the 30 days before it.

After

The first 60 of 134.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us1000e07i (also filed as ak19317830, ak0185qtyi3a). Read Wed, Sep 30, 2026, 11:40 PM UTC.