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M1.6 Depth: 54.1 km

M1.6 Earthquake near 8 km SW of Clam Gulch, Alaska (United States)

UTC time: 2025-09-16 16:01:24 UTC Local time: —

About this earthquake

A magnitude M1.6 earthquake was recorded near 8 km SW of Clam Gulch, Alaska (United States) on September 16, 2025 at 16:01 UTC. With a focal depth of about 54 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The data is provided by USGS and cross-checked across seismological networks. United States: over the past 24 hours, QuakeMap24 logged 167 earthquakes, the strongest at M3.9.

Details

Magnitude
M1.6
Depth
54.1 km
UTC time
2025-09-16 16:01:24 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
60.16840, -151.48750
Temperature
10.2°C

Map

Depth profile

Depth profile Depth: 54.1 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 54.1 km
Shallow
54.1 km
54.1 km — deeper than the regional average (15.4 km)
Regional average: 15.4 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: 78 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Iliamna
    Distance: 90 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Spurr
    Distance: 132 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Augustine
    Distance: 141 km ·Lava dome(s) ·Elevation: 1'218 m ·Last eruption: 2006 ·United States
  • Hayes
    Distance: 171 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Douglas
    Distance: 186 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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