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M1.3 Depth: 99.2 km

M1.3 Earthquake near 55 km WNW of Nanwalek, Alaska (United States)

UTC time: 2025-08-04 06:46:54 UTC Local time: —

About this earthquake

A magnitude M1.3 earthquake was recorded near 55 km WNW of Nanwalek, Alaska (United States) on August 4, 2025 at 06:46 UTC. At around 99 km, the focal depth places this among intermediate-depth events. 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 241 earthquakes, the strongest at M4.1.

Details

Magnitude
M1.3
Depth
99.2 km
UTC time
2025-08-04 06:46:54 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
59.56070, -152.81630
Temperature
13.1°C

Map

Depth profile

Depth profile Depth: 99.2 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 99.2 km
Intermediate
99.2 km
99.2 km — deeper than the regional average (15.3 km)
Regional average: 15.3 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

  • Augustine
    Distance: 41 km ·Lava dome(s) ·Elevation: 1'218 m ·Last eruption: 2006 ·United States
  • Iliamna
    Distance: 55 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Douglas
    Distance: 89 km ·Stratovolcano ·Elevation: 2'140 m ·United States
  • Fourpeaked
    Distance: 101 km ·Stratovolcano ·Elevation: 2'105 m ·Last eruption: 2006 ·United States
  • Redoubt
    Distance: 103 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Kaguyak
    Distance: 126 km ·Lava dome(s) ·Elevation: 901 m ·Last eruption: -3850 ·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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