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M3.1 Depth: 35.0 km

M3.1 Earthquake near 72 km ESE of Nikolski, Alaska

UTC time: 2025-10-15 17:18:42 UTC Local time: —

About this earthquake

On October 15, 2025 at 17:18 UTC, a magnitude M3.1 earthquake occurred near 72 km ESE of Nikolski, Alaska. With a focal depth of about 35 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Shaking of this size is frequently noticed but usually harmless.

The data is provided by USGS and cross-checked across seismological networks.

Details

Magnitude
M3.1
Depth
35.0 km
UTC time
2025-10-15 17:18:42 UTC
Local time
—
Country
—
Source
usgs
Coordinates
52.71980, -167.84550
Temperature
8.4°C

Map

Depth profile

Depth profile Depth: 35 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 35 km
Shallow
35 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

  • Recheschnoi
    Distance: 67 km ·Stratovolcano ·Elevation: 1'984 m ·United States
  • Vsevidof
    Distance: 72 km ·Stratovolcano ·Elevation: 2'160 m ·Last eruption: 1878 ·United States
  • Okmok
    Distance: 81 km ·Shield ·Elevation: 1'073 m ·Last eruption: 2008 ·United States
  • Kagamil
    Distance: 129 km ·Stratovolcano ·Elevation: 893 m ·Last eruption: 1929 ·United States
  • Tana
    Distance: 130 km ·Stratovolcano(es) ·Elevation: 1'170 m ·United States
  • Uliaga
    Distance: 135 km ·Stratovolcano ·Elevation: 888 m ·United States

Stats (last 24h)

Global (24h)
586
Country (24h)
—
—
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