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M1.8 Depth: 60.8 km

M1.8 Earthquake near 5 km NNE of Clam Gulch, Alaska (United States)

UTC time: 2025-12-30 08:02:35 UTC Local time: —

About this earthquake

A magnitude M1.8 earthquake was recorded near 5 km NNE of Clam Gulch, Alaska (United States) on December 30, 2025 at 08:02 UTC. With a focal depth of about 61 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: 191 earthquakes were recorded in the past 24 hours, the strongest reaching M4.3.

Details

Magnitude
M1.8
Depth
60.8 km
UTC time
2025-12-30 08:02:35 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
60.27300, -151.34300
Temperature
-3.6°C

Map

Depth profile

Depth profile Depth: 60.8 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 60.8 km
Shallow
60.8 km
60.8 km — deeper 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

  • Redoubt
    Distance: 80 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Iliamna
    Distance: 100 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Spurr
    Distance: 124 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Augustine
    Distance: 155 km ·Lava dome(s) ·Elevation: 1'218 m ·Last eruption: 2006 ·United States
  • Hayes
    Distance: 163 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Douglas
    Distance: 200 km ·Stratovolcano ·Elevation: 2'140 m ·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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