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M1.1 Depth: 18.4 km

M1.1 Earthquake near 7 km SE of Eielson Air Force Base, Alaska (United States)

UTC time: 2025-09-22 02:59:50 UTC Local time: —

About this earthquake

A magnitude M1.1 earthquake was recorded near 7 km SE of Eielson Air Force Base, Alaska (United States) on September 22, 2025 at 02:59 UTC. With a focal depth of about 18 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: over the past 24 hours, QuakeMap24 logged 162 earthquakes, the strongest at M3.7.

Details

Magnitude
M1.1
Depth
18.4 km
UTC time
2025-09-22 02:59:50 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
64.60830, -146.95740
Temperature
8.4°C

Map

Depth profile

Depth profile Depth: 18.4 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 18.4 km
Shallow
18.4 km
18.4 km — close to 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: 94 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Wrangell
    Distance: 324 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·United States
  • Hayes
    Distance: 429 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Churchill
    Distance: 445 km ·Stratovolcano ·Elevation: 5'005 m ·Last eruption: 847 ·United States
  • Spurr
    Distance: 455 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States

Historic earthquake map · United States

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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.

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