M1.9 Depth: 70.6 km

M1.9 Earthquake near 2 km SSW of Happy Valley, Alaska (United States)

UTC time: 2025-12-23 20:04:39 UTC Local time: —

About this earthquake

A magnitude M1.9 earthquake was recorded near 2 km SSW of Happy Valley, Alaska (United States) on December 23, 2025 at 20:04 UTC. The earthquake originated at an intermediate depth of about 71 km. Events of this size typically go unnoticed.

The event was recorded by USGS. United States: 260 earthquakes were recorded in the past 24 hours, the strongest reaching M5.5.

Details

Magnitude

M1.9

Depth

70.6 km

UTC time

2025-12-23 20:04:39 UTC

Local time

—

Country

United States

City

Alaska

Source

usgs

Coordinates

59.92800, -151.75200

Temperature

-6.2°C

Map

Depth profile

Intermediate

70.6 km

70.6 km — deeper than the regional average (15.7 km)

Regional average: 15.7 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: 75 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
Redoubt

Distance: 83 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
Augustine

Distance: 114 km ·Lava dome(s) ·Elevation: 1'218 m ·Last eruption: 2006 ·United States
Spurr

Distance: 155 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
Douglas

Distance: 157 km ·Stratovolcano ·Elevation: 2'140 m ·United States
Fourpeaked

Distance: 169 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)

700

Country (24h)