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M1.8 Depth: 14.5 km

M1.8 Earthquake near 49 km W of Anderson, Alaska (United States)

UTC time: 2025-12-15 20:37:31 UTC Local time: —

About this earthquake

On December 15, 2025 at 20:37 UTC, a magnitude M1.8 earthquake occurred near 49 km W of Anderson, Alaska (United States). The hypocenter lay relatively close to the surface at around 15 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: over the past 24 hours, QuakeMap24 logged 227 earthquakes, the strongest at M5.3.

Details

Magnitude
M1.8
Depth
14.5 km
UTC time
2025-12-15 20:37:31 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
64.33800, -150.21600
Temperature
-36.5°C

Map

Depth profile

Depth profile Depth: 14.5 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 14.5 km
Shallow
14.5 km
14.5 km — close to 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: 92 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Hayes
    Distance: 320 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Spurr
    Distance: 353 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Wrangell
    Distance: 405 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·United States
  • Redoubt
    Distance: 448 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·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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