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M1.5 Depth: 39.1 km

M1.5 Earthquake near 43 km N of Karluk, Alaska (United States)

UTC time: 2025-09-02 08:46:15 UTC Local time: —

About this earthquake

A magnitude M1.5 earthquake was recorded near 43 km N of Karluk, Alaska (United States) on September 2, 2025 at 08:46 UTC. The hypocenter lay relatively close to the surface at around 39 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: 242 earthquakes were recorded in the past 24 hours, the strongest reaching M3.5.

Details

Magnitude
M1.5
Depth
39.1 km
UTC time
2025-09-02 08:46:15 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
57.95710, -154.35170
Temperature
13.6°C

Map

Depth profile

Depth profile Depth: 39.1 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 39.1 km
Shallow
39.1 km
39.1 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

  • Snowy Mountain
    Distance: 46 km ·Stratovolcano(es) ·Elevation: 2'162 m ·Last eruption: 1710 ·United States
  • Katmai
    Distance: 50 km ·Stratovolcano ·Elevation: 2'047 m ·Last eruption: 1912 ·United States
  • Denison
    Distance: 52 km ·Stratovolcano ·Elevation: 2'287 m ·United States
  • Steller
    Distance: 53 km ·Stratovolcano ·Elevation: 2'279 m ·United States
  • Trident
    Distance: 54 km ·Stratovolcano ·Elevation: 1'864 m ·Last eruption: 1974 ·United States
  • Kukak
    Distance: 55 km ·Stratovolcano ·Elevation: 2'043 m ·United States

Historic earthquake map · United States

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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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