M1.6 Depth: 11.0 km

M1.6 Earthquake near 91 km N of Karluk, Alaska (United States)

UTC time: 2025-12-23 04:49:22 UTC Local time: —

About this earthquake

On December 23, 2025 at 04:49 UTC, a magnitude M1.6 earthquake occurred near 91 km N of Karluk, Alaska (United States). The hypocenter lay relatively close to the surface at around 11 km, increasing how strongly it was felt. Events of this size typically go unnoticed.

The data is provided by USGS and cross-checked across seismological networks. United States: over the past 24 hours, QuakeMap24 logged 247 earthquakes, the strongest at M6.0.

Details

Magnitude

M1.6

Depth

11.0 km

UTC time

2025-12-23 04:49:22 UTC

Local time

—

Country

United States

City

Alaska

Source

usgs

Coordinates

58.38500, -154.68800

Temperature

-5.8°C

Map

Depth profile

Shallow

11 km

11 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

Snowy Mountain

Distance: 5 km ·Stratovolcano(es) ·Elevation: 2'162 m ·Last eruption: 1710 ·United States
Denison

Distance: 14 km ·Stratovolcano ·Elevation: 2'287 m ·United States
Steller

Distance: 18 km ·Stratovolcano ·Elevation: 2'279 m ·United States
Katmai

Distance: 19 km ·Stratovolcano ·Elevation: 2'047 m ·Last eruption: 1912 ·United States
Kukak

Distance: 21 km ·Stratovolcano ·Elevation: 2'043 m ·United States
Griggs

Distance: 24 km ·Stratovolcano ·Elevation: 2'317 m ·Last eruption: -1790 ·United States

Historic earthquake map · United States

Open history map

Explore recent and long-term earthquake activity in this country. Use filters to narrow down by magnitude, depth, and date range.

Country statistics · United States

Country overview

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

Stats (last 24h)

Global (24h)

679

Country (24h)