M1.6 Depth: 63.5 km

M1.6 Earthquake near 81 km SW of Nanwalek, Alaska (United States)

UTC time: 2025-08-25 19:20:10 UTC Local time:

About this earthquake

A magnitude M1.6 earthquake was recorded near 81 km SW of Nanwalek, Alaska (United States) on August 25, 2025 at 19:20 UTC. With a focal depth of about 64 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Events of this size typically go unnoticed.

The event was recorded by USGS. United States: 209 earthquakes were recorded in the past 24 hours, the strongest reaching M3.7.

Details

Magnitude
M1.6
Depth
63.5 km
UTC time
2025-08-25 19:20:10 UTC
Local time
Country
City
Source
usgs
Coordinates
58.86510, -152.97560
Temperature
14.0°C

Map

Depth profile

Depth profile Depth: 63.5 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 63.5 km
Shallow
63.5 km
63.5 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

  • Douglas
    Distance: 33 km ·Stratovolcano ·Elevation: 2'140 m ·United States
  • Fourpeaked
    Distance: 41 km ·Stratovolcano ·Elevation: 2'105 m ·Last eruption: 2006 ·United States
  • Augustine
    Distance: 61 km ·Lava dome(s) ·Elevation: 1'218 m ·Last eruption: 2006 ·United States
  • Kaguyak
    Distance: 67 km ·Lava dome(s) ·Elevation: 901 m ·Last eruption: -3850 ·United States
  • Kukak
    Distance: 92 km ·Stratovolcano ·Elevation: 2'043 m ·United States
  • Steller
    Distance: 95 km ·Stratovolcano ·Elevation: 2'279 m ·United States

Historic earthquake map · United States

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

View earthquake KPIs, strongest and latest events, and averages for this country.

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