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M1.5 Depth: 11.5 km

M1.5 Earthquake near 66 km ESE of Cantwell, Alaska (United States)

UTC time: 2025-12-20 21:36:43 UTC Local time: —

About this earthquake

On December 20, 2025 at 21:36 UTC, a magnitude M1.5 earthquake occurred near 66 km ESE of Cantwell, Alaska (United States). With a focal depth of about 12 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The data is provided by USGS and cross-checked across seismological networks. United States: 233 earthquakes were recorded in the past 24 hours, the strongest reaching M6.0.

Details

Magnitude
M1.5
Depth
11.5 km
UTC time
2025-12-20 21:36:43 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
63.16300, -147.72400
Temperature
-21.2°C

Map

Depth profile

Depth profile Depth: 11.5 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 11.5 km
Shallow
11.5 km
11.5 km — shallower than 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

  • Buzzard Creek
    Distance: 106 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Wrangell
    Distance: 229 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·United States
  • Hayes
    Distance: 295 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Spurr
    Distance: 313 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Churchill
    Distance: 367 km ·Stratovolcano ·Elevation: 5'005 m ·Last eruption: 847 ·United States
  • Redoubt
    Distance: 397 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States

Historic earthquake map · United States

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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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