Alaska earthquakes

M1.8 earthquake 73 km ESE of Atka, Alaska

A magnitude 1.8 earthquake struck 73 km ESE of Atka, Alaska on Tue, Jul 14, 2020, 4:43 AM HADT (13:43 UTC), 96 km (60 mi) below the surface.

A larger quake followed: M3.9 30 km ESE of Atka, Alaska. This one was a foreshock.

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
1.8 (ml), micro
Local time
UTC
2020-07-14 13:43:19 UTC
Depth
96.1 km (59.7 mi), intermediate-depth
Epicenter
51.905° N, 173.240° 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.

Stations used
23

Nearby

Within 100 km, magnitude 1.5 and up: 80 in the 60 days after this one and 42 in the 30 days before it.

After

The first 60 of 80.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak02090dbxqq. Read Tue, Sep 29, 2026, 7:27 PM UTC.