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M2.7 Depth: 90.8 km

M2.7 Earthquake near 27 km WNW of Happy Valley, Alaska (United States)

UTC time: 2025-12-28 10:46:15 UTC Local time: —

About this earthquake

A magnitude M2.7 earthquake was recorded near 27 km WNW of Happy Valley, Alaska (United States) on December 28, 2025 at 10:46 UTC. The earthquake originated at an intermediate depth of about 91 km. 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 177 earthquakes, the strongest at M4.3.

Details

Magnitude
M2.7
Depth
90.8 km
UTC time
2025-12-28 10:46:15 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
60.06800, -152.16900
Temperature
-4.0°C

Map

Depth profile

Depth profile Depth: 90.8 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 90.8 km
Intermediate
90.8 km
90.8 km — deeper than the regional average (15.7 km)
Regional average: 15.7 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: 51 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Redoubt
    Distance: 56 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Augustine
    Distance: 106 km ·Lava dome(s) ·Elevation: 1'218 m ·Last eruption: 2006 ·United States
  • Spurr
    Distance: 137 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Douglas
    Distance: 156 km ·Stratovolcano ·Elevation: 2'140 m ·United States
  • Fourpeaked
    Distance: 168 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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