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M3.5 Depth: 21.0 km

M3.5 Earthquake near SOUTH OF ALASKA

UTC time: 2025-12-31 16:27:15 UTC Local time: —

About this earthquake

A magnitude M3.5 earthquake was recorded near SOUTH OF ALASKA on December 31, 2025 at 16:27 UTC. With a focal depth of about 21 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 EMSC and cross-checked across seismological networks.

Details

Magnitude
M3.5
Depth
21.0 km
UTC time
2025-12-31 16:27:15 UTC
Local time
—
Country
—
Source
emsc
Coordinates
54.50500, -159.80700
Temperature
2.2°C

Map

Depth profile

Depth profile Depth: 21 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 21 km
Shallow
21 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

  • Dana
    Distance: 155 km ·Stratovolcano ·Elevation: 1'354 m ·Last eruption: -1890 ·United States
  • Stepovak Bay Group
    Distance: 158 km ·Volcanic field ·Elevation: 1'633 m ·United States
  • Pavlof
    Distance: 167 km ·Stratovolcano ·Elevation: 2'493 m ·Last eruption: 2022 ·United States
  • Kupreanof ADVISORY · YELLOW
    Distance: 167 km ·Stratovolcano ·Elevation: 1'895 m ·United States
  • Pavlof Sister
    Distance: 168 km ·Stratovolcano ·Elevation: 2'142 m ·United States
  • Emmons Lake Volcanic Center
    Distance: 171 km ·Caldera ·Elevation: 1'534 m ·United States

Stats (last 24h)

Global (24h)
611
Country (24h)
—
—
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