M0.7 Depth: 7.7 km

M0.7 Earthquake near 5 km SSE of Salcha, Alaska (United States)

UTC time: 2025-09-21 22:40:36 UTC Local time: —

About this earthquake

A magnitude M0.7 earthquake was recorded near 5 km SSE of Salcha, Alaska (United States) on September 21, 2025 at 22:40 UTC. The hypocenter lay relatively close to the surface at around 8 km, increasing how strongly it was felt. Events of this size typically go unnoticed.

The event was recorded by USGS. United States: over the past 24 hours, QuakeMap24 logged 161 earthquakes, the strongest at M3.7.

Details

Magnitude

M0.7

Depth

7.7 km

UTC time

2025-09-21 22:40:36 UTC

Local time

—

Country

United States

City

Alaska

Source

usgs

Coordinates

64.47920, -146.87890

Temperature

10.7°C

Map

Depth profile

Shallow

7.7 km

7.7 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: 88 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
Wrangell

Distance: 310 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·United States
Hayes

Distance: 421 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
Churchill

Distance: 431 km ·Stratovolcano ·Elevation: 5'005 m ·Last eruption: 847 ·United States
Spurr

Distance: 446 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
Fort Selkirk

Distance: 498 km ·Volcanic field ·Elevation: 1'239 m ·Canada

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)

1052

Country (24h)