M1.0 Depth: 4.2 km

M1.0 Earthquake near 75 km NW of Karluk, Alaska (United States)

UTC time: 2025-11-28 09:18:21 UTC Local time: —

About this earthquake

On November 28, 2025 at 09:18 UTC, a magnitude M1.0 earthquake occurred near 75 km NW of Karluk, Alaska (United States). The hypocenter lay relatively close to the surface at around 4 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: 171 earthquakes were recorded in the past 24 hours, the strongest reaching M3.3.

Details

Magnitude

M1.0

Depth

4.2 km

UTC time

2025-11-28 09:18:21 UTC

Local time

—

Country

United States

City

Alaska

Source

usgs

Coordinates

57.95819, -155.49347

Temperature

-1.5°C

Map

Depth profile

Shallow

4.2 km

4.2 km — shallower than the regional average (15.6 km)

Regional average: 15.6 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

Alaska Peninsula Arc at 155.4°W

Distance: 11 km ·Lava dome ·Elevation: 402 m ·United States
Martin

Distance: 25 km ·Stratovolcano ·Elevation: 1'863 m ·Last eruption: 1953 ·United States
Mageik

Distance: 30 km ·Stratovolcano ·Elevation: 2'165 m ·Last eruption: -500 ·United States
Trident

Distance: 39 km ·Stratovolcano ·Elevation: 1'864 m ·Last eruption: 1974 ·United States
Novarupta

Distance: 39 km ·Caldera ·Elevation: 841 m ·Last eruption: 1912 ·United States
Katmai

Distance: 48 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)

593

Country (24h)