M1.6 Depth: 72.8 km

M1.6 Earthquake near 16 km SW of Susitna, Alaska (United States)

UTC time: 2025-10-25 20:37:14 UTC Local time: —

About this earthquake

A magnitude M1.6 earthquake was recorded near 16 km SW of Susitna, Alaska (United States) on October 25, 2025 at 20:37 UTC. At around 73 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: 208 earthquakes were recorded in the past 24 hours, the strongest reaching M5.0.

Details

Magnitude

M1.6

Depth

72.8 km

UTC time

2025-10-25 20:37:14 UTC

Local time

—

Country

United States

City

Alaska

Source

usgs

Coordinates

61.44700, -150.75610

Temperature

-1.5°C

Map

Depth profile

Intermediate

72.8 km

72.8 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

Spurr

Distance: 81 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
Hayes

Distance: 90 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
Redoubt

Distance: 151 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
Iliamna

Distance: 202 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
Augustine

Distance: 274 km ·Lava dome(s) ·Elevation: 1'218 m ·Last eruption: 2006 ·United States
Buzzard Creek

Distance: 314 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·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)

659

Country (24h)