Alaska earthquakes

M4.0 earthquake 239 km SE of Chiniak, Alaska

A magnitude 4.0 earthquake struck 239 km SE of Chiniak, Alaska on Fri, Jun 22, 2018, 1:02 PM AKDT (21:02 UTC), 23 km (14 mi) below the surface.

Kodiak 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
4.0 (ml), light
Local time
UTC
2018-06-22 21:02:00 UTC
Depth
23.2 km (14.4 mi), shallow
Epicenter
56.094° N, 149.496° 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 7.4 km horizontally, 9.8 km in depth
Magnitude uncertainty
±0.05
Depth from
From location
Station coverage gap
175°
Stations used
94

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 200 in the 60 days after this one and 0 in the 30 days before it.

After

The first 60 of 200.

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us1000ez1v (also filed as ak19795200, aacse0187yghktx, ak0187yghktx). Read Tue, Sep 22, 2026, 5:18 AM UTC.