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M1.6 Depth: 67.4 km

M1.6 Earthquake near 8 km NW of Happy Valley, Alaska (United States)

UTC time: 2025-08-07 05:06:36 UTC Local time: —

About this earthquake

A magnitude M1.6 earthquake was recorded near 8 km NW of Happy Valley, Alaska (United States) on August 7, 2025 at 05:06 UTC. The hypocenter lay relatively close to the surface at around 67 km, increasing how strongly it was felt. Events of this size typically go unnoticed.

The data is provided by USGS and cross-checked across seismological networks. United States: over the past 24 hours, QuakeMap24 logged 155 earthquakes, the strongest at M4.1.

Details

Magnitude
M1.6
Depth
67.4 km
UTC time
2025-08-07 05:06:36 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
60.00190, -151.83790
Temperature
13.5°C

Map

Depth profile

Depth profile Depth: 67.4 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 67.4 km
Shallow
67.4 km
67.4 km — deeper than the regional average (15.4 km)
Regional average: 15.4 km
Why depth matters

Shallow quakes release energy near the surface — shaking is felt more strongly and damage potential is higher.

Depth classes per USGS

Volcanoes nearby

  • Iliamna
    Distance: 70 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Redoubt
    Distance: 73 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Augustine
    Distance: 114 km ·Lava dome(s) ·Elevation: 1'218 m ·Last eruption: 2006 ·United States
  • Spurr
    Distance: 146 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Douglas
    Distance: 160 km ·Stratovolcano ·Elevation: 2'140 m ·United States
  • Fourpeaked
    Distance: 172 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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