M0.5 Depth: 1.2 km

M0.5 Earthquake near 87 km NW of Karluk, Alaska (United States)

UTC time: 2025-10-03 12:31:22 UTC Local time: —

About this earthquake

A magnitude M0.5 earthquake was recorded near 87 km NW of Karluk, Alaska (United States) on October 3, 2025 at 12:31 UTC. The hypocenter lay relatively close to the surface at around 1 km, increasing how strongly it was felt. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The event was recorded by USGS. United States: 218 earthquakes were recorded in the past 24 hours, the strongest reaching M3.4.

Details

Magnitude

M0.5

Depth

1.2 km

UTC time

2025-10-03 12:31:22 UTC

Local time

—

Country

United States

City

Alaska

Source

usgs

Coordinates

58.17450, -155.38640

Temperature

4.6°C

Map

Depth profile

Shallow

1.2 km

1.2 km — shallower than the regional average (15.4 km)

Regional average: 15.4 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

Martin

Distance: 2 km ·Stratovolcano ·Elevation: 1'863 m ·Last eruption: 1953 ·United States
Mageik

Distance: 8 km ·Stratovolcano ·Elevation: 2'165 m ·Last eruption: -500 ·United States
Novarupta

Distance: 17 km ·Caldera ·Elevation: 841 m ·Last eruption: 1912 ·United States
Trident

Distance: 18 km ·Stratovolcano ·Elevation: 1'864 m ·Last eruption: 1974 ·United States
Griggs

Distance: 26 km ·Stratovolcano ·Elevation: 2'317 m ·Last eruption: -1790 ·United States
Katmai

Distance: 28 km ·Stratovolcano ·Elevation: 2'047 m ·Last eruption: 1912 ·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)

744

Country (24h)