Alaska earthquakes

M2.9 earthquake 119 km SW of Adak, Alaska

A magnitude 2.9 earthquake struck 119 km SW of Adak, Alaska on Wed, Jun 26, 2019, 2:30 AM HADT (11:30 UTC), 35 km (22 mi) below the surface.

A larger quake followed: M4.7 51 km SSW of Adak, Alaska. This one was a foreshock.

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The earthquake

Magnitude
2.9 (ML, local (Richter)), micro
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2019-06-26 11:30:41 UTC
Depth
35.0 km (21.7 mi), shallow
Epicenter
51.197° N, 177.978° W
Region
Alaska
Tsunami flag
No
Status
Reviewed by a seismologist

Magnitude estimates

Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.

Mag.ScaleComputed byNotes
2.9ML, local (Richter)USGS National Earthquake Information CenterPreferred · Reviewed
2.9ML, local (Richter)Alaska Earthquake CenterPreliminary

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 3.4 km horizontally, 2.0 km in depth
Depth from
Operator assigned
Station coverage gap
208°, poorly surrounded by stations
Stations used
29

Nearby

Within 100 km, magnitude 1.5 and up: 163 in the 60 days after this one and 86 in the 30 days before it.

After

The first 60 of 163.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us70004mgs (also filed as ak01984wupqe). Read Thu, Oct 1, 2026, 4:39 PM UTC.