M1.0 Depth: 87.8 km

M1.0 Earthquake near 20 km WNW of Cantwell, Alaska (United States)

UTC time: 2025-07-21 07:40:07 UTC Local time: —

About this earthquake

On July 21, 2025 at 07:40 UTC, a magnitude M1.0 earthquake occurred near 20 km WNW of Cantwell, Alaska (United States). At around 88 km, the focal depth places this among intermediate-depth events. Events of this size typically go unnoticed.

The data is provided by USGS and cross-checked across seismological networks. United States: 209 earthquakes were recorded in the past 24 hours, the strongest reaching M3.2.

Details

Magnitude

M1.0

Depth

87.8 km

UTC time

2025-07-21 07:40:07 UTC

Local time

—

Country

United States

City

Alaska

Source

usgs

Coordinates

63.48590, -149.30600

Temperature

5.2°C

Map

Depth profile

Intermediate

87.8 km

87.8 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

Buzzard Creek

Distance: 77 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
Hayes

Distance: 260 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
Spurr

Distance: 287 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
Wrangell

Distance: 315 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·United States
Redoubt

Distance: 379 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
Iliamna

Distance: 432 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)

591

Country (24h)