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M1.5 Depth: 70.6 km

M1.5 Earthquake near 35 km W of Happy Valley, Alaska (United States)

UTC time: 2025-12-04 13:05:09 UTC Local time: —

About this earthquake

A magnitude M1.5 earthquake was recorded near 35 km W of Happy Valley, Alaska (United States) on December 4, 2025 at 13:05 UTC. The earthquake originated at an intermediate depth of about 71 km. Events of this size typically go unnoticed.

The event was recorded by USGS. United States: 185 earthquakes were recorded in the past 24 hours, the strongest reaching M5.0.

Details

Magnitude
M1.5
Depth
70.6 km
UTC time
2025-12-04 13:05:09 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
59.96550, -152.35921
Temperature
2.6°C

Map

Depth profile

Depth profile Depth: 70.6 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 70.6 km
Intermediate
70.6 km
70.6 km — deeper than the regional average (15.6 km)
Regional average: 15.6 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: 41 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Redoubt
    Distance: 62 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
  • Douglas
    Distance: 140 km ·Stratovolcano ·Elevation: 2'140 m ·United States
  • Spurr
    Distance: 148 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Fourpeaked
    Distance: 152 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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