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M0.8 Depth: 82.2 km

M0.8 Earthquake near 44 km WNW of Happy Valley, Alaska (United States)

UTC time: 2025-08-20 17:34:52 UTC Local time: —

About this earthquake

On August 20, 2025 at 17:34 UTC, a magnitude M0.8 earthquake occurred near 44 km WNW of Happy Valley, Alaska (United States). The earthquake originated at an intermediate depth of about 82 km. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The event was recorded by USGS. United States: 195 earthquakes were recorded in the past 24 hours, the strongest reaching M5.4.

Details

Magnitude
M0.8
Depth
82.2 km
UTC time
2025-08-20 17:34:52 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
60.02750, -152.51020
Temperature
17.0°C

Map

Depth profile

Depth profile Depth: 82.2 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 82.2 km
Intermediate
82.2 km
82.2 km — deeper than the regional average (15.9 km)
Regional average: 15.9 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: 32 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Redoubt
    Distance: 52 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: 142 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Douglas
    Distance: 143 km ·Stratovolcano ·Elevation: 2'140 m ·United States
  • Fourpeaked
    Distance: 155 km ·Stratovolcano ·Elevation: 2'105 m ·Last eruption: 2006 ·United States

Historic earthquake map · United States

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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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