M1.9 Depth: 113.8 km

M1.9 Earthquake near 72 km E of Port Alsworth, Alaska (United States)

UTC time: 2025-07-09 11:12:40 UTC Local time: —

About this earthquake

A magnitude M1.9 earthquake was recorded near 72 km E of Port Alsworth, Alaska (United States) on July 9, 2025 at 11:12 UTC. The earthquake originated at an intermediate depth of about 114 km. Events of this size typically go unnoticed.

The data is provided by USGS and cross-checked across seismological networks. United States: 215 earthquakes were recorded in the past 24 hours, the strongest reaching M3.7.

Details

Magnitude

M1.9

Depth

113.8 km

UTC time

2025-07-09 11:12:40 UTC

Local time

—

Country

United States

City

Alaska

Source

usgs

Coordinates

60.17210, -153.00560

Temperature

3.5°C

Map

Depth profile

Intermediate

113.8 km

113.8 km — deeper than the regional average (15.3 km)

Regional average: 15.3 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: 16 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
Redoubt

Distance: 38 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
Augustine

Distance: 93 km ·Lava dome(s) ·Elevation: 1'218 m ·Last eruption: 2006 ·United States
Spurr

Distance: 132 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
Douglas

Distance: 150 km ·Stratovolcano ·Elevation: 2'140 m ·United States
Fourpeaked

Distance: 160 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)

622

Country (24h)