M0.8 Depth: 119.7 km

M0.8 Earthquake near 68 km WNW of Happy Valley, Alaska (United States)

UTC time: 2025-08-31 19:20:34 UTC Local time:

About this earthquake

A magnitude M0.8 earthquake was recorded near 68 km WNW of Happy Valley, Alaska (United States) on August 31, 2025 at 19:20 UTC. The earthquake originated at an intermediate depth of about 120 km. Events of this size typically go unnoticed.

The data is provided by USGS and cross-checked across seismological networks. United States: 237 earthquakes were recorded in the past 24 hours, the strongest reaching M3.9.

Details

Magnitude
M0.8
Depth
119.7 km
UTC time
2025-08-31 19:20:34 UTC
Local time
Country
City
Source
usgs
Coordinates
60.15950, -152.89470
Temperature
4.2°C

Map

Depth profile

Depth profile Depth: 119.7 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 119.7 km
Intermediate
119.7 km
119.7 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: 18 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Redoubt
    Distance: 37 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Augustine
    Distance: 94 km ·Lava dome(s) ·Elevation: 1'218 m ·Last eruption: 2006 ·United States
  • Spurr
    Distance: 131 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Douglas
    Distance: 150 km ·Stratovolcano ·Elevation: 2'140 m ·United States
  • Fourpeaked
    Distance: 161 km ·Stratovolcano ·Elevation: 2'105 m ·Last eruption: 2006 ·United States

Historic earthquake map · United States

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

View earthquake KPIs, strongest and latest events, and averages for this country.

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