M1.5 Depth: 41.0 km

M1.5 Earthquake near 11 km NNW of Larsen Bay, Alaska (United States)

UTC time: 2025-08-30 04:00:43 UTC Local time: —

About this earthquake

On August 30, 2025 at 04:00 UTC, a magnitude M1.5 earthquake occurred near 11 km NNW of Larsen Bay, Alaska (United States). With a focal depth of about 41 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Events of this size typically go unnoticed.

The data is provided by USGS and cross-checked across seismological networks. United States: 243 earthquakes were recorded in the past 24 hours, the strongest reaching M3.9.

Details

Magnitude

M1.5

Depth

41.0 km

UTC time

2025-08-30 04:00:43 UTC

Local time

—

Country

United States

City

Alaska

Source

usgs

Coordinates

57.64170, -154.03860

Temperature

7.9°C

Map

Depth profile

Shallow

41 km

41 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: 85 km ·Lava dome ·Elevation: 402 m ·United States
Snowy Mountain

Distance: 86 km ·Stratovolcano(es) ·Elevation: 2'162 m ·Last eruption: 1710 ·United States
Katmai

Distance: 89 km ·Stratovolcano ·Elevation: 2'047 m ·Last eruption: 1912 ·United States
Denison

Distance: 90 km ·Stratovolcano ·Elevation: 2'287 m ·United States
Steller

Distance: 90 km ·Stratovolcano ·Elevation: 2'279 m ·United States
Trident

Distance: 91 km ·Stratovolcano ·Elevation: 1'864 m ·Last eruption: 1974 ·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)

1001

Country (24h)