Alaska earthquakes

M4.4 earthquake 41 km NE of Adak, Alaska

A magnitude 4.4 earthquake struck 41 km NE of Adak, Alaska on Tue, May 14, 2019, 12:08 AM HADT (09:08 UTC), 141 km (87 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
4.4 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2019-05-14 09:08:42 UTC
Depth
140.8 km (87.5 mi), intermediate-depth
Epicenter
52.144° N, 176.220° 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
4.4mb, body-waveUSGS National Earthquake Information CenterPreferred · Reviewed · ±0.03 · 313 stations
4.2ML, 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 8.4 km horizontally, 5.7 km in depth
Magnitude uncertainty
±0.03
Depth from
From location
Station coverage gap
62°
Stations used
253

Nearby

Within 100 km, magnitude 1.5 and up: 98 in the 60 days after this one and 52 in the 30 days before it.

After

The first 60 of 98.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us70003kvn (also filed as ak01965rf6uc). Read Sat, Oct 3, 2026, 2:38 PM UTC.