Alaska earthquakes

M1.6 earthquake 268 km W of Adak, Alaska

A magnitude 1.6 earthquake struck 268 km W of Adak, Alaska on Wed, Jul 24, 2019, 9:51 PM GMT+12 (09:51 UTC), 75 km (46 mi) below the surface.

A larger quake followed: M4.8 Rat Islands, Aleutian Islands, Alaska. This one was a foreshock.

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The earthquake

Magnitude
1.6 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2019-07-24 09:51:48 UTC
Depth
74.5 km (46.3 mi), intermediate-depth
Epicenter
51.658° N, 179.489° E
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
18

Nearby

Within 100 km, magnitude 1.5 and up: 111 in the 60 days after this one and 33 in the 30 days before it.

After

The first 60 of 111.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0199f6u2xc. Read Fri, Oct 2, 2026, 6:55 AM UTC.