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M1.0 Depth: 110.7 km

M1.0 Earthquake near 69 km WNW of Happy Valley, Alaska (United States)

UTC time: 2025-08-25 02:38:34 UTC Local time: —

About this earthquake

On August 25, 2025 at 02:38 UTC, a magnitude M1.0 earthquake occurred near 69 km WNW of Happy Valley, Alaska (United States). The earthquake originated at an intermediate depth of about 111 km. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The data is provided by USGS and cross-checked across seismological networks. United States: over the past 24 hours, QuakeMap24 logged 195 earthquakes, the strongest at M3.7.

Details

Magnitude
M1.0
Depth
110.7 km
UTC time
2025-08-25 02:38:34 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
60.12480, -152.92110
Temperature
9.4°C

Map

Depth profile

Depth profile Depth: 110.7 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 110.7 km
Intermediate
110.7 km
110.7 km — deeper than the regional average (15.4 km)
Regional average: 15.4 km
Why depth matters

Intermediate-depth quakes are felt across a wider area but usually cause less surface damage.

Depth classes per USGS

Volcanoes nearby

  • Iliamna
    Distance: 14 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Redoubt
    Distance: 41 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Augustine
    Distance: 90 km ·Lava dome(s) ·Elevation: 1'218 m ·Last eruption: 2006 ·United States
  • Spurr
    Distance: 136 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Douglas
    Distance: 145 km ·Stratovolcano ·Elevation: 2'140 m ·United States
  • Fourpeaked
    Distance: 157 km ·Stratovolcano ·Elevation: 2'105 m ·Last eruption: 2006 ·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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