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M3.1 Depth: 27.4 km

M3.1 Earthquake near SOUTH OF ALASKA

UTC time: 2025-07-21 18:54:53 UTC Local time: —

About this earthquake

A magnitude M3.1 earthquake was recorded near SOUTH OF ALASKA on July 21, 2025 at 18:54 UTC. The hypocenter lay relatively close to the surface at around 27 km, increasing how strongly it was felt. Earthquakes of this magnitude are often felt but rarely cause damage.

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

Details

Magnitude
M3.1
Depth
27.4 km
UTC time
2025-07-21 18:54:53 UTC
Local time
—
Country
—
Source
emsc
Coordinates
54.41090, -159.62420
Temperature
10.8°C

Map

Depth profile

Depth profile Depth: 27.4 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 27.4 km
Shallow
27.4 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

  • Stepovak Bay Group
    Distance: 169 km ·Volcanic field ·Elevation: 1'633 m ·United States
  • Dana
    Distance: 170 km ·Stratovolcano ·Elevation: 1'354 m ·Last eruption: -1890 ·United States
  • Kupreanof ADVISORY · YELLOW
    Distance: 178 km ·Stratovolcano ·Elevation: 1'895 m ·United States
  • Pavlof
    Distance: 183 km ·Stratovolcano ·Elevation: 2'493 m ·Last eruption: 2022 ·United States
  • Pavlof Sister
    Distance: 184 km ·Stratovolcano ·Elevation: 2'142 m ·United States
  • Emmons Lake Volcanic Center
    Distance: 187 km ·Caldera ·Elevation: 1'534 m ·United States

Stats (last 24h)

Global (24h)
605
Country (24h)
—
—
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