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United States

M1.1 Earthquake near 28 km S of Chickaloon, Alaska (United States)

UTC time: 2025-04-27 11:55:03 UTC Local time: —

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About this earthquake

A magnitude M1.1 earthquake was recorded near 28 km S of Chickaloon, Alaska (United States) on April 27, 2025 at 11:55 UTC. The hypocenter lay relatively close to the surface at around 24 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: 166 earthquakes were recorded in the past 24 hours, the strongest reaching M3.9.

Details

ID
2918e561ecfd67ffe6f79dd00b3a9f5cb08b589b
Magnitude
M1.1
Depth
23.5 km
UTC time
2025-04-27 11:55:03 UTC
Local time
—
Country
United States
Source
usgs
Coordinates
61.54460, -148.36170
Temperature
-0.9°C

Depth profile

Depth profile Depth: 23.5 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 23.5 km
Shallow
23.5 km
23.5 km — deeper 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

  • Spurr
    Distance: 209 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Hayes
    Distance: 214 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Wrangell
    Distance: 234 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·United States
  • Redoubt
    Distance: 264 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Buzzard Creek
    Distance: 280 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Iliamna
    Distance: 307 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States

Historic earthquake map · United States

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Country statistics · United States

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

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