M2.3 Depth: 182.6 km

M2.3 Earthquake near 42 km E of Port Alsworth, Alaska (United States)

UTC time: 2025-09-09 19:56:46 UTC Local time: —

About this earthquake

On September 9, 2025 at 19:56 UTC, a magnitude M2.3 earthquake occurred near 42 km E of Port Alsworth, Alaska (United States). At around 183 km, the focal depth places this among intermediate-depth events. Events of this size typically go unnoticed.

The event was recorded by USGS. United States: over the past 24 hours, QuakeMap24 logged 196 earthquakes, the strongest at M4.8.

Details

Magnitude

M2.3

Depth

182.6 km

UTC time

2025-09-09 19:56:46 UTC

Local time

—

Country

United States

City

Alaska

Source

usgs

Coordinates

60.21700, -153.54370

Temperature

6.7°C

Map

Depth profile

Intermediate

182.6 km

182.6 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
Redoubt

Distance: 53 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
Augustine

Distance: 95 km ·Lava dome(s) ·Elevation: 1'218 m ·Last eruption: 2006 ·United States
Spurr

Distance: 139 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
Douglas

Distance: 151 km ·Stratovolcano ·Elevation: 2'140 m ·United States
Fourpeaked

Distance: 161 km ·Stratovolcano ·Elevation: 2'105 m ·Last eruption: 2006 ·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)

977

Country (24h)