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M1.8 Depth: 1.0 km

M1.8 Earthquake near 24 km NNE of Four Mile Road, Alaska (United States)

UTC time: 2025-08-29 01:00:40 UTC Local time: —

About this earthquake

A magnitude M1.8 earthquake was recorded near 24 km NNE of Four Mile Road, Alaska (United States) on August 29, 2025 at 01:00 UTC. With a focal depth of about 1 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Events of this size typically go unnoticed.

The data is provided by USGS and cross-checked across seismological networks. United States: 240 earthquakes were recorded in the past 24 hours, the strongest reaching M3.9.

Details

Magnitude
M1.8
Depth
1.0 km
UTC time
2025-08-29 01:00:40 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
64.80860, -148.93390
Temperature
16.3°C

Map

Depth profile

Depth profile Depth: 1 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 1 km
Shallow
1 km
1 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: 86 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Hayes
    Distance: 393 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Wrangell
    Distance: 396 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·United States
  • Spurr
    Distance: 424 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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