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M1.5 Depth: 28.1 km

M1.5 Earthquake near 34 km SW of Trapper Creek, Alaska (United States)

UTC time: 2025-09-21 08:26:10 UTC Local time: —

About this earthquake

A magnitude M1.5 earthquake was recorded near 34 km SW of Trapper Creek, Alaska (United States) on September 21, 2025 at 08:26 UTC. The hypocenter lay relatively close to the surface at around 28 km, increasing how strongly it was felt. 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: 167 earthquakes were recorded in the past 24 hours, the strongest reaching M3.7.

Details

Magnitude
M1.5
Depth
28.1 km
UTC time
2025-09-21 08:26:10 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
62.06290, -150.62260
Temperature
9.2°C

Map

Depth profile

Depth profile Depth: 28.1 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 28.1 km
Shallow
28.1 km
28.1 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

  • Hayes
    Distance: 105 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Spurr
    Distance: 121 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
  • Buzzard Creek
    Distance: 248 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Iliamna
    Distance: 262 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Augustine
    Distance: 337 km ·Lava dome(s) ·Elevation: 1'218 m ·Last eruption: 2006 ·United States

Historic earthquake map · United States

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Country statistics · United States

Country overview
View earthquake KPIs, strongest and latest events, and averages for this country.

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