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M3.1 Depth: 54.7 km

M3.1 Earthquake near 30 km NNE of Karluk, Alaska (United States)

UTC time: 2025-10-26 15:13:28 UTC Local time: —

About this earthquake

On October 26, 2025 at 15:13 UTC, a magnitude M3.1 earthquake occurred near 30 km NNE of Karluk, Alaska (United States). The hypocenter lay relatively close to the surface at around 55 km, increasing how strongly it was felt. Earthquakes of this magnitude are often felt but rarely cause damage.

The data is provided by USGS and cross-checked across seismological networks. United States: over the past 24 hours, QuakeMap24 logged 207 earthquakes, the strongest at M5.0.

Details

Magnitude
M3.1
Depth
54.7 km
UTC time
2025-10-26 15:13:28 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
57.82640, -154.29900
Temperature
-0.1°C

Map

Depth profile

Depth profile Depth: 54.7 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 54.7 km
Shallow
54.7 km
54.7 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: 61 km ·Stratovolcano(es) ·Elevation: 2'162 m ·Last eruption: 1710 ·United States
  • Katmai
    Distance: 63 km ·Stratovolcano ·Elevation: 2'047 m ·Last eruption: 1912 ·United States
  • Trident
    Distance: 66 km ·Stratovolcano ·Elevation: 1'864 m ·Last eruption: 1974 ·United States
  • Alaska Peninsula Arc at 155.4°W
    Distance: 66 km ·Lava dome ·Elevation: 402 m ·United States
  • Denison
    Distance: 66 km ·Stratovolcano ·Elevation: 2'287 m ·United States
  • Steller
    Distance: 67 km ·Stratovolcano ·Elevation: 2'279 m ·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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