Alaska earthquakes

M5.1 earthquake 124 km WSW of Adak, Alaska

A magnitude 5.1 earthquake struck 124 km WSW of Adak, Alaska on Sat, Jan 5, 2019, 9:25 PM HAST (07:25 UTC), 35 km (22 mi) below the surface.

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Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
5.1 (mb, body-wave), moderate
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2019-01-06 07:25:40 UTC
Depth
35.0 km (21.7 mi), shallow
Epicenter
51.261° N, 178.143° 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
5.1mb, body-waveUSGS National Earthquake Information CenterPreferred · Reviewed · ±0.029 · 374 stations
4.96Mw, momentISC-GEM global catalogFinal · ±0.1
5.1mb, body-waveAlaska 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 5.8 km horizontally, 1.9 km in depth
Magnitude uncertainty
±0.03
Depth from
Operator assigned
Station coverage gap
96°
Stations used
151

Nearby

Within 100 km, magnitude 2.1 and up: 76 in the 60 days after this one and 62 in the 30 days before it.

After

The first 60 of 76.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us2000j0qt (also filed as ak019a1jkct, iscgem614554784). Read Thu, Oct 1, 2026, 6:49 PM UTC.