M1.8 Depth: 154.5 km

M1.8 Earthquake near 32 km NE of Pedro Bay, Alaska (United States)

UTC time: 2025-09-16 11:14:36 UTC Local time: —

About this earthquake

On September 16, 2025 at 11:14 UTC, a magnitude M1.8 earthquake occurred near 32 km NE of Pedro Bay, Alaska (United States). The earthquake originated at an intermediate depth of about 155 km. Events of this size typically go unnoticed.

The data is provided by USGS and cross-checked across seismological networks. United States: 162 earthquakes were recorded in the past 24 hours, the strongest reaching M3.9.

Details

Magnitude

M1.8

Depth

154.5 km

UTC time

2025-09-16 11:14:36 UTC

Local time

—

Country

United States

City

Alaska

Source

usgs

Coordinates

59.94900, -153.63180

Temperature

3.7°C

Map

Depth profile

Intermediate

154.5 km

154.5 km — deeper than the regional average (15.4 km)

Regional average: 15.4 km

Why depth matters

Intermediate-depth quakes are felt across a wider area but usually cause less surface damage.

Depth classes per USGS

Volcanoes nearby

Iliamna

Distance: 32 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
Augustine

Distance: 66 km ·Lava dome(s) ·Elevation: 1'218 m ·Last eruption: 2006 ·United States
Redoubt

Distance: 77 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
Douglas

Distance: 122 km ·Stratovolcano ·Elevation: 2'140 m ·United States
Fourpeaked

Distance: 131 km ·Stratovolcano ·Elevation: 2'105 m ·Last eruption: 2006 ·United States
Kaguyak

Distance: 150 km ·Lava dome(s) ·Elevation: 901 m ·Last eruption: -3850 ·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)

986

Country (24h)