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United States

M1.8 Earthquake near 135 km SE of McCarthy, Alaska (United States)

UTC time: 2025-12-11 04:38:47 UTC Local time: —

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About this earthquake

On December 11, 2025 at 04:38 UTC, a magnitude M1.8 earthquake occurred near 135 km SE of McCarthy, Alaska (United States). With a focal depth of about 1 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Events of this size typically go unnoticed.

The event was recorded by USGS. United States: 146 earthquakes were recorded in the past 24 hours, the strongest reaching M5.3.

Details

ID
8690a1ceed82c8a2e009654e5010437bded5c7b8
Magnitude
M1.8
Depth
0.6 km
UTC time
2025-12-11 04:38:47 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
60.61400, -141.06200
Temperature
-21.1°C

Depth profile

Depth profile Depth: 0.6 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 0.6 km
Shallow
0.6 km
0.6 km — shallower than the regional average (15.3 km)
Regional average: 15.3 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

  • Churchill
    Distance: 93 km ·Stratovolcano ·Elevation: 5'005 m ·Last eruption: 847 ·United States
  • Wrangell
    Distance: 221 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·United States
  • Alligator Lake
    Distance: 309 km ·Volcanic field ·Elevation: 2'217 m ·Canada
  • Fort Selkirk
    Distance: 322 km ·Volcanic field ·Elevation: 1'239 m ·Canada
  • Atlin Volcanic Field
    Distance: 438 km ·Pyroclastic cone(s) ·Elevation: 1'880 m ·Canada

Alaska

Context for this earthquake

05 Oct 2025 – 05 Oct 2026 · M ≥ 2.0 · 4,148 Catalogue entries

Sufficiently reliable matching data are not currently available for a direct comparison. The area profile shows the available records and their limitations.

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Historic earthquake map · United States

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Country statistics · United States

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