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M1.8 Depth: 28.6 km

M1.8 Earthquake near 8 km ENE of Willow, Alaska (United States)

UTC time: 2025-12-04 04:18:35 UTC Local time: —

About this earthquake

On December 4, 2025 at 04:18 UTC, a magnitude M1.8 earthquake occurred near 8 km ENE of Willow, Alaska (United States). The hypocenter lay relatively close to the surface at around 29 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: 190 earthquakes were recorded in the past 24 hours, the strongest reaching M5.0.

Details

Magnitude
M1.8
Depth
28.6 km
UTC time
2025-12-04 04:18:35 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
61.76838, -149.88699
Temperature
-2.5°C

Map

Depth profile

Depth profile Depth: 28.6 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 28.6 km
Shallow
28.6 km
28.6 km — deeper than the regional average (15.6 km)
Regional average: 15.6 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

  • Hayes
    Distance: 134 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Spurr
    Distance: 136 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Redoubt
    Distance: 209 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Iliamna
    Distance: 259 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Buzzard Creek
    Distance: 265 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Wrangell
    Distance: 309 km ·Shield ·Elevation: 4'278 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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