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M1.1 Depth: 10.6 km

M1.1 Earthquake near 31 km NNE of Four Mile Road, Alaska (United States)

UTC time: 2025-10-18 17:40:16 UTC Local time: —

About this earthquake

A magnitude M1.1 earthquake was recorded near 31 km NNE of Four Mile Road, Alaska (United States) on October 18, 2025 at 17:40 UTC. With a focal depth of about 11 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 208 earthquakes, the strongest at M5.5.

Details

Magnitude
M1.1
Depth
10.6 km
UTC time
2025-10-18 17:40:16 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
64.85110, -148.80680
Temperature
-1.0°C

Map

Depth profile

Depth profile Depth: 10.6 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 10.6 km
Shallow
10.6 km
10.6 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: 90 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Wrangell
    Distance: 396 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·United States
  • Hayes
    Distance: 400 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Spurr
    Distance: 431 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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