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M1.8 Depth: 73.9 km

M1.8 Earthquake near 26 km SSE of Skwentna, Alaska (United States)

UTC time: 2025-12-17 07:57:57 UTC Local time: —

About this earthquake

On December 17, 2025 at 07:57 UTC, a magnitude M1.8 earthquake occurred near 26 km SSE of Skwentna, Alaska (United States). The earthquake originated at an intermediate depth of about 74 km. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The event was recorded by USGS. United States: 222 earthquakes were recorded in the past 24 hours, the strongest reaching M5.3.

Details

Magnitude
M1.8
Depth
73.9 km
UTC time
2025-12-17 07:57:57 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
61.78800, -151.14000
Temperature
-12.1°C

Map

Depth profile

Depth profile Depth: 73.9 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 73.9 km
Intermediate
73.9 km
73.9 km — deeper than the regional average (15.7 km)
Regional average: 15.7 km
Why depth matters

Intermediate-depth quakes are felt across a wider area but usually cause less surface damage.

Depth classes per USGS

Volcanoes nearby

  • Hayes
    Distance: 69 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Spurr
    Distance: 80 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Redoubt
    Distance: 168 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Iliamna
    Distance: 222 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Buzzard Creek
    Distance: 287 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Augustine
    Distance: 297 km ·Lava dome(s) ·Elevation: 1'218 m ·Last eruption: 2006 ·United States

Historic earthquake map · United States

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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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