M1.7 Depth: 7.9 km

M1.7 Earthquake near 71 km W of Cantwell, Alaska (United States)

UTC time: 2025-10-21 15:09:53 UTC Local time: —

About this earthquake

On October 21, 2025 at 15:09 UTC, a magnitude M1.7 earthquake occurred near 71 km W of Cantwell, Alaska (United States). With a focal depth of about 8 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Events of this size typically go unnoticed.

The event was recorded by USGS. United States: 187 earthquakes were recorded in the past 24 hours, the strongest reaching M4.7.

Details

Magnitude

M1.7

Depth

7.9 km

UTC time

2025-10-21 15:09:53 UTC

Local time

—

Country

United States

City

Alaska

Source

usgs

Coordinates

63.28180, -150.35650

Temperature

-7.9°C

Map

Depth profile

Shallow

7.9 km

7.9 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

Buzzard Creek

Distance: 129 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
Hayes

Distance: 211 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
Spurr

Distance: 241 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
Redoubt

Distance: 335 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
Wrangell

Distance: 353 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·United States
Iliamna

Distance: 389 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·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)

600

Country (24h)