Alaska earthquakes

M1.5 earthquake 210 km WSW of Adak, Alaska

A magnitude 1.5 earthquake struck 210 km WSW of Adak, Alaska on Thu, Aug 22, 2019, 11:54 PM HADT (08:54 UTC), 20 km (13 mi) below the surface.

A larger quake followed: M5.4 146 km WSW of Adak, Alaska. This one was a foreshock.

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The earthquake

Magnitude
1.5 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2019-08-23 08:54:58 UTC
Depth
20.2 km (12.6 mi), shallow
Epicenter
51.162° N, 179.444° 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
11

Nearby

Within 100 km, magnitude 1.5 and up: 200 in the 60 days after this one and 84 in the 30 days before it.

After

The first 60 of 200.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak019assdq1e. Read Fri, Oct 2, 2026, 8:15 AM UTC.