M1.6 Depth: 72.7 km

M1.6 Earthquake near 6 km ESE of Skwentna, Alaska (United States)

UTC time: 2025-07-21 12:18:27 UTC Local time: —

About this earthquake

A magnitude M1.6 earthquake was recorded near 6 km ESE of Skwentna, Alaska (United States) on July 21, 2025 at 12:18 UTC. The earthquake originated at an intermediate depth of about 73 km. Events of this size typically go unnoticed.

The event was recorded by USGS. United States: over the past 24 hours, QuakeMap24 logged 212 earthquakes, the strongest at M3.2.

Details

Magnitude

M1.6

Depth

72.7 km

UTC time

2025-07-21 12:18:27 UTC

Local time

—

Country

United States

City

Alaska

Source

usgs

Coordinates

61.96490, -151.27900

Temperature

12.9°C

Map

Depth profile

Intermediate

72.7 km

72.7 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

Hayes

Distance: 70 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
Spurr

Distance: 90 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
Redoubt

Distance: 182 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
Iliamna

Distance: 236 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
Buzzard Creek

Distance: 274 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
Augustine

Distance: 312 km ·Lava dome(s) ·Elevation: 1'218 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)

593

Country (24h)