Alaska earthquakes

M2.5 earthquake 102 km ESE of Akutan, Alaska

A magnitude 2.5 earthquake struck 102 km ESE of Akutan, Alaska on Mon, Apr 17, 2017, 7:18 PM AKDT (03:18 UTC), 34 km (21 mi) below the surface.

A larger quake followed: M5.1 126 km SE of Akutan, Alaska. This one was a foreshock.

Akutan forecastMore in Alaska

Map

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

Open the live map with earthquakes

The earthquake

Magnitude
2.5 (ML, local (Richter)), micro
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2017-04-18 03:18:33 UTC
Depth
33.8 km (21.0 mi), shallow
Epicenter
53.828° N, 164.301° 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.

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 8.7 km horizontally, 21.8 km in depth
Depth from
From location
Station coverage gap
200°, poorly surrounded by stations
Stations used
8

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 169 in the 60 days after this one and 60 in the 30 days before it.

After

The first 60 of 169.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us10008ks6 (also filed as ak15780468, ak0174ynxpiv). Read Fri, Oct 2, 2026, 7:04 PM UTC.