M1.1 Depth: 5.0 km

M1.1 Earthquake near 93 km NNW of Karluk, Alaska (United States)

UTC time: 2025-12-28 04:57:45 UTC Local time: —

About this earthquake

A magnitude M1.1 earthquake was recorded near 93 km NNW of Karluk, Alaska (United States) on December 28, 2025 at 04:57 UTC. With a focal depth of about 5 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Events of this size typically go unnoticed.

The event was recorded by USGS. United States: 171 earthquakes were recorded in the past 24 hours, the strongest reaching M4.3.

Details

Magnitude

M1.1

Depth

5.0 km

UTC time

2025-12-28 04:57:45 UTC

Local time

—

Country

United States

City

Alaska

Source

usgs

Coordinates

58.37600, -154.88100

Temperature

-13.5°C

Map

Depth profile

Shallow

5 km

5 km — shallower than the regional average (15.7 km)

Regional average: 15.7 km

Why depth matters

Shallow quakes release energy near the surface — shaking is felt more strongly and damage potential is higher.

Depth classes per USGS

Volcanoes nearby

Katmai

Distance: 12 km ·Stratovolcano ·Elevation: 2'047 m ·Last eruption: 1912 ·United States
Snowy Mountain

Distance: 12 km ·Stratovolcano(es) ·Elevation: 2'162 m ·Last eruption: 1710 ·United States
Griggs

Distance: 13 km ·Stratovolcano ·Elevation: 2'317 m ·Last eruption: -1790 ·United States
Trident

Distance: 20 km ·Stratovolcano ·Elevation: 1'864 m ·Last eruption: 1974 ·United States
Novarupta

Distance: 20 km ·Caldera ·Elevation: 841 m ·Last eruption: 1912 ·United States
Denison

Distance: 26 km ·Stratovolcano ·Elevation: 2'287 m ·United States

Historic earthquake map · United States

Open history map

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Country statistics · United States

Country overview

View earthquake KPIs, strongest and latest events, and averages for this country.

Stats (last 24h)

Global (24h)

618

Country (24h)