M0.9 Depth: 95.3 km

M0.9 Earthquake near 66 km WNW of Happy Valley, Alaska (United States)

UTC time: 2025-09-21 10:13:03 UTC Local time: —

About this earthquake

On September 21, 2025 at 10:13 UTC, a magnitude M0.9 earthquake occurred near 66 km WNW of Happy Valley, Alaska (United States). At around 95 km, the focal depth places this among intermediate-depth events. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The event was recorded by USGS. United States: 167 earthquakes were recorded in the past 24 hours, the strongest reaching M3.7.

Details

Magnitude

M0.9

Depth

95.3 km

UTC time

2025-09-21 10:13:03 UTC

Local time

—

Country

United States

City

Alaska

Source

usgs

Coordinates

60.09310, -152.89100

Temperature

2.5°C

Map

Depth profile

Intermediate

95.3 km

95.3 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: 13 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
Redoubt

Distance: 44 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
Augustine

Distance: 87 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: 142 km ·Stratovolcano ·Elevation: 2'140 m ·United States
Fourpeaked

Distance: 154 km ·Stratovolcano ·Elevation: 2'105 m ·Last eruption: 2006 ·United States

Historic earthquake map · United States

Open history map

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Country statistics · United States

Country overview

View earthquake KPIs, strongest and latest events, and averages for this country.

Stats (last 24h)

Global (24h)

1053

Country (24h)