M1.6 Depth: 5.2 km

M1.6 Earthquake near 110 km S of McCarthy, Alaska (United States)

UTC time: 2025-09-28 21:40:48 UTC Local time: —

About this earthquake

On September 28, 2025 at 21:40 UTC, a magnitude M1.6 earthquake occurred near 110 km S of McCarthy, Alaska (United States). With a focal depth of about 5 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The data is provided by USGS and cross-checked across seismological networks. United States: 174 earthquakes were recorded in the past 24 hours, the strongest reaching M3.4.

Details

Magnitude

M1.6

Depth

5.2 km

UTC time

2025-09-28 21:40:48 UTC

Local time

—

Country

United States

City

Alaska

Source

usgs

Coordinates

60.44190, -142.95290

Temperature

-4.8°C

Map

Depth profile

Shallow

5.2 km

5.2 km — shallower than the regional average (15.4 km)

Regional average: 15.4 km

Why depth matters

Shallow quakes release energy near the surface — shaking is felt more strongly and damage potential is higher.

Depth classes per USGS

Volcanoes nearby

Churchill

Distance: 123 km ·Stratovolcano ·Elevation: 5'005 m ·Last eruption: 847 ·United States
Wrangell

Distance: 183 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·United States
Fort Selkirk

Distance: 403 km ·Volcanic field ·Elevation: 1'239 m ·Canada
Alligator Lake

Distance: 413 km ·Volcanic field ·Elevation: 2'217 m ·Canada
Buzzard Creek

Distance: 492 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)

1027

Country (24h)