Alaska earthquakes

M4.3 earthquake 278 km SE of Chiniak, Alaska

A magnitude 4.3 earthquake struck 278 km SE of Chiniak, Alaska on Sun, Aug 25, 2019, 1:51 PM AKDT (21:51 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M5.0 273 km SE of Chiniak, Alaska. This one was a foreshock.

Kodiak forecast More 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: 4.3 (mb), light
Local time: Sun, Aug 25, 2019, 1:51 PM AKDT
UTC: 2019-08-25 21:51:49 UTC
Depth: 10.0 km (6.2 mi), shallow
Epicenter: 56.126° N, 148.614° 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 7.1 km horizontally, 1.9 km in depth
Magnitude uncertainty: ±0.15
Depth from: Operator assigned
Station coverage gap: 155°
Stations used: 184

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 72 in the 60 days after this one and 46 in the 30 days before it.

After

The first 60 of 72.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000583g (also filed as aacse019awb6e3y, ak019awb6e3y). Read Mon, Sep 28, 2026, 8:56 PM UTC.