M0.9 Depth: 2.3 km

M0.9 Earthquake near 90 km NNW of Karluk, Alaska (United States)

UTC time: 2025-12-30 08:43:56 UTC Local time: —

About this earthquake

On December 30, 2025 at 08:43 UTC, a magnitude M0.9 earthquake occurred near 90 km NNW of Karluk, Alaska (United States). The hypocenter lay relatively close to the surface at around 2 km, increasing how strongly it was felt. Events of this size typically go unnoticed.

The event was recorded by USGS. United States: 194 earthquakes were recorded in the past 24 hours, the strongest reaching M4.3.

Details

Magnitude

M0.9

Depth

2.3 km

UTC time

2025-12-30 08:43:56 UTC

Local time

—

Country

United States

City

Alaska

Source

usgs

Coordinates

58.27100, -155.23400

Temperature

-20.8°C

Map

Depth profile

Shallow

2.3 km

2.3 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

Novarupta

Distance: 4 km ·Caldera ·Elevation: 841 m ·Last eruption: 1912 ·United States
Mageik

Distance: 9 km ·Stratovolcano ·Elevation: 2'165 m ·Last eruption: -500 ·United States
Trident

Distance: 9 km ·Stratovolcano ·Elevation: 1'864 m ·Last eruption: 1974 ·United States
Griggs

Distance: 12 km ·Stratovolcano ·Elevation: 2'317 m ·Last eruption: -1790 ·United States
Martin

Distance: 13 km ·Stratovolcano ·Elevation: 1'863 m ·Last eruption: 1953 ·United States
Katmai

Distance: 16 km ·Stratovolcano ·Elevation: 2'047 m ·Last eruption: 1912 ·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)

628

Country (24h)