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M1.1 Depth: 5.0 km

M1.1 Earthquake near 74 km NW of Karluk, Alaska (United States)

UTC time: 2025-12-27 11:45:45 UTC Local time: —

About this earthquake

On December 27, 2025 at 11:45 UTC, a magnitude M1.1 earthquake occurred near 74 km NW of Karluk, Alaska (United States). With a focal depth of about 5 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 184 earthquakes, the strongest at M3.6.

Details

Magnitude
M1.1
Depth
5.0 km
UTC time
2025-12-27 11:45:45 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
57.99300, -155.42900
Temperature
-1.9°C

Map

Depth profile

Depth profile Depth: 5 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 5 km
Shallow
5 km
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

  • Alaska Peninsula Arc at 155.4°W
    Distance: 14 km ·Lava dome ·Elevation: 402 m ·United States
  • Martin
    Distance: 20 km ·Stratovolcano ·Elevation: 1'863 m ·Last eruption: 1953 ·United States
  • Mageik
    Distance: 25 km ·Stratovolcano ·Elevation: 2'165 m ·Last eruption: -500 ·United States
  • Trident
    Distance: 33 km ·Stratovolcano ·Elevation: 1'864 m ·Last eruption: 1974 ·United States
  • Novarupta
    Distance: 34 km ·Caldera ·Elevation: 841 m ·Last eruption: 1912 ·United States
  • Katmai
    Distance: 42 km ·Stratovolcano ·Elevation: 2'047 m ·Last eruption: 1912 ·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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