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M0.8 Depth: 19.1 km

M0.8 Earthquake near 13 km N of Four Mile Road, Alaska (United States)

UTC time: 2025-08-20 21:00:10 UTC Local time: —

About this earthquake

On August 20, 2025 at 21:00 UTC, a magnitude M0.8 earthquake occurred near 13 km N of Four Mile Road, Alaska (United States). With a focal depth of about 19 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 203 earthquakes, the strongest at M3.7.

Details

Magnitude
M0.8
Depth
19.1 km
UTC time
2025-08-20 21:00:10 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
64.71820, -149.07030
Temperature
16.4°C

Map

Depth profile

Depth profile Depth: 19.1 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 19.1 km
Shallow
19.1 km
19.1 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: 79 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Hayes
    Distance: 381 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Wrangell
    Distance: 393 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·United States
  • Spurr
    Distance: 413 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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