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M1.6 Depth: 63.9 km

M1.6 Earthquake near 25 km WNW of Clam Gulch, Alaska (United States)

UTC time: 2025-10-28 19:16:53 UTC Local time: —

About this earthquake

A magnitude M1.6 earthquake was recorded near 25 km WNW of Clam Gulch, Alaska (United States) on October 28, 2025 at 19:16 UTC. With a focal depth of about 64 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: 181 earthquakes were recorded in the past 24 hours, the strongest reaching M5.5.

Details

Magnitude
M1.6
Depth
63.9 km
UTC time
2025-10-28 19:16:53 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
60.31550, -151.82410
Temperature
1.9°C

Map

Depth profile

Depth profile Depth: 63.9 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 63.9 km
Shallow
63.9 km
63.9 km — deeper than the regional average (15.5 km)
Regional average: 15.5 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: 54 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Iliamna
    Distance: 77 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Spurr
    Distance: 112 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Augustine
    Distance: 139 km ·Lava dome(s) ·Elevation: 1'218 m ·Last eruption: 2006 ·United States
  • Hayes
    Distance: 151 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Douglas
    Distance: 189 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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