M1.6 Depth: 53.6 km

M1.6 Earthquake near 18 km NW of Karluk, Alaska (United States)

UTC time: 2025-08-08 21:05:46 UTC Local time: —

About this earthquake

On August 8, 2025 at 21:05 UTC, a magnitude M1.6 earthquake occurred near 18 km NW of Karluk, Alaska (United States). The hypocenter lay relatively close to the surface at around 54 km, increasing how strongly it was felt. Events of this size typically go unnoticed.

The event was recorded by USGS. United States: 156 earthquakes were recorded in the past 24 hours, the strongest reaching M4.1.

Details

Magnitude

M1.6

Depth

53.6 km

UTC time

2025-08-08 21:05:46 UTC

Local time

—

Country

United States

City

Alaska

Source

usgs

Coordinates

57.69460, -154.65480

Temperature

15.2°C

Map

Depth profile

Shallow

53.6 km

53.6 km — deeper 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

Alaska Peninsula Arc at 155.4°W

Distance: 49 km ·Lava dome ·Elevation: 402 m ·United States
Trident

Distance: 66 km ·Stratovolcano ·Elevation: 1'864 m ·Last eruption: 1974 ·United States
Mageik

Distance: 66 km ·Stratovolcano ·Elevation: 2'165 m ·Last eruption: -500 ·United States
Katmai

Distance: 67 km ·Stratovolcano ·Elevation: 2'047 m ·Last eruption: 1912 ·United States
Martin

Distance: 67 km ·Stratovolcano ·Elevation: 1'863 m ·Last eruption: 1953 ·United States
Novarupta

Distance: 70 km ·Caldera ·Elevation: 841 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)

542

Country (24h)