M1.8 Depth: 80.5 km

M1.8 Earthquake near 29 km N of Skwentna, Alaska (United States)

UTC time: 2025-12-18 05:02:36 UTC Local time: —

About this earthquake

A magnitude M1.8 earthquake was recorded near 29 km N of Skwentna, Alaska (United States) on December 18, 2025 at 05:02 UTC. The earthquake originated at an intermediate depth of about 81 km. Events of this size typically go unnoticed.

The event was recorded by USGS. United States: 226 earthquakes were recorded in the past 24 hours, the strongest reaching M4.9.

Details

Magnitude

M1.8

Depth

80.5 km

UTC time

2025-12-18 05:02:36 UTC

Local time

—

Country

United States

City

Alaska

Source

usgs

Coordinates

62.25600, -151.31800

Temperature

-16.8°C

Map

Depth profile

Intermediate

80.5 km

80.5 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

Hayes

Distance: 89 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
Spurr

Distance: 117 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
Redoubt

Distance: 211 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
Buzzard Creek

Distance: 248 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
Iliamna

Distance: 265 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
Augustine

Distance: 342 km ·Lava dome(s) ·Elevation: 1'218 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)

658

Country (24h)