M1.2 Depth: 18.3 km

M1.2 Earthquake near 47 km W of Sitka, Alaska (United States)

UTC time: 2025-12-22 20:52:37 UTC Local time:

About this earthquake

A magnitude M1.2 earthquake was recorded near 47 km W of Sitka, Alaska (United States) on December 22, 2025 at 20:52 UTC. The hypocenter lay relatively close to the surface at around 18 km, increasing how strongly it was felt. Events of this size typically go unnoticed.

The data is provided by USGS and cross-checked across seismological networks. United States: 229 earthquakes were recorded in the past 24 hours, the strongest reaching M6.0.

Details

Magnitude
M1.2
Depth
18.3 km
UTC time
2025-12-22 20:52:37 UTC
Local time
Country
City
Source
usgs
Coordinates
57.07117, -136.10917
Temperature
-8.1°C

Map

Depth profile

Depth profile Depth: 18.3 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 18.3 km
Shallow
18.3 km
18.3 km — close to the regional average (15.7 km)
Regional average: 15.7 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

  • Edgecumbe
    Distance: 22 km ·Volcanic field ·Elevation: 970 m ·Last eruption: -2080 ·United States
  • Duncan Canal
    Distance: 194 km ·Volcanic field ·Elevation: 15 m ·United States
  • Tlevak Strait-Suemez Island
    Distance: 267 km ·Volcanic field ·Elevation: 50 m ·United States
  • Hoodoo Mountain
    Distance: 295 km ·Pyroclastic cone(s) ·Elevation: 1'850 m ·Last eruption: -7050 ·Canada
  • Heart Peaks
    Distance: 298 km ·Shield ·Elevation: 2'012 m ·Canada
  • Level Mountain
    Distance: 320 km ·Shield ·Elevation: 2'164 m ·Canada

Historic earthquake map · United States

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

View earthquake KPIs, strongest and latest events, and averages for this country.

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