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M4.6 Depth: 18.1 km

M4.6 Earthquake near 97 km SW of Atka, Alaska

UTC time: 2025-12-27 22:08:25 UTC Local time: —

About this earthquake

On December 27, 2025 at 22:08 UTC, a magnitude M4.6 earthquake occurred near 97 km SW of Atka, Alaska. With a focal depth of about 18 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Earthquakes of this magnitude are clearly felt; minor damage to vulnerable buildings is possible.

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

Details

Magnitude
M4.6
Depth
18.1 km
UTC time
2025-12-27 22:08:25 UTC
Local time
—
Country
—
Source
usgs
Coordinates
51.58900, -175.22800
Temperature
1.5°C

Map

Depth profile

Depth profile Depth: 18.1 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 18.1 km
Shallow
18.1 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

  • Kasatochi
    Distance: 68 km ·Stratovolcano ·Elevation: 314 m ·Last eruption: 2008 ·United States
  • Koniuji
    Distance: 70 km ·Stratovolcano ·Elevation: 273 m ·Last eruption: -1150 ·United States
  • Great Sitkin WATCH · ORANGE
    Distance: 82 km ·Stratovolcano ·Elevation: 1'740 m ·Last eruption: 2026 ·United States
  • Atka Volcanic Complex
    Distance: 111 km ·Stratovolcano(es) ·Elevation: 1'518 m ·Last eruption: 2025 ·United States
  • Moffett
    Distance: 112 km ·Stratovolcano ·Elevation: 1'196 m ·Last eruption: -1600 ·United States
  • Kanaga
    Distance: 139 km ·Stratovolcano ·Elevation: 1'307 m ·Last eruption: 2023 ·United States

Stats (last 24h)

Global (24h)
659
Country (24h)
—
—
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