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M1.1 Depth: 22.5 km

M1.1 Earthquake near 18 km N of Four Mile Road, Alaska (United States)

UTC time: 2025-09-09 15:22:52 UTC Local time: —

About this earthquake

On September 9, 2025 at 15:22 UTC, a magnitude M1.1 earthquake occurred near 18 km N of Four Mile Road, Alaska (United States). With a focal depth of about 23 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 event was recorded by USGS. United States: over the past 24 hours, QuakeMap24 logged 192 earthquakes, the strongest at M4.8.

Details

Magnitude
M1.1
Depth
22.5 km
UTC time
2025-09-09 15:22:52 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
64.76930, -149.08980
Temperature
10.6°C

Map

Depth profile

Depth profile Depth: 22.5 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 22.5 km
Shallow
22.5 km
22.5 km — deeper 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: 85 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Hayes
    Distance: 386 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Wrangell
    Distance: 398 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·United States
  • Spurr
    Distance: 417 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·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.

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