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M1.3 Depth: 10.2 km

M1.3 Earthquake near 20 km WSW of Salcha, Alaska (United States)

UTC time: 2025-12-04 05:35:52 UTC Local time: —

About this earthquake

On December 4, 2025 at 05:35 UTC, a magnitude M1.3 earthquake occurred near 20 km WSW of Salcha, Alaska (United States). With a focal depth of about 10 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Events of this size typically go unnoticed.

The data is provided by USGS and cross-checked across seismological networks. United States: over the past 24 hours, QuakeMap24 logged 190 earthquakes, the strongest at M5.0.

Details

Magnitude
M1.3
Depth
10.2 km
UTC time
2025-12-04 05:35:52 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
64.43803, -147.28517
Temperature
-20.6°C

Map

Depth profile

Depth profile Depth: 10.2 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 10.2 km
Shallow
10.2 km
10.2 km — shallower than the regional average (15.6 km)
Regional average: 15.6 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

  • Buzzard Creek
    Distance: 69 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Wrangell
    Distance: 316 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·United States
  • Hayes
    Distance: 404 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Spurr
    Distance: 430 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Churchill
    Distance: 440 km ·Stratovolcano ·Elevation: 5'005 m ·Last eruption: 847 ·United States

Historic earthquake map · United States

Open history map
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

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

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