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M1.2 Depth: 17.1 km

M1.2 Earthquake near 16 km NE of Girdwood, Alaska (United States)

UTC time: 2025-09-11 13:33:37 UTC Local time: —

About this earthquake

A magnitude M1.2 earthquake was recorded near 16 km NE of Girdwood, Alaska (United States) on September 11, 2025 at 13:33 UTC. The hypocenter lay relatively close to the surface at around 17 km, increasing how strongly it was felt. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The event was recorded by USGS. United States: 182 earthquakes were recorded in the past 24 hours, the strongest reaching M4.8.

Details

Magnitude
M1.2
Depth
17.1 km
UTC time
2025-09-11 13:33:37 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
61.03500, -148.92830
Temperature
7.7°C

Map

Depth profile

Depth profile Depth: 17.1 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 17.1 km
Shallow
17.1 km
17.1 km — close to 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

  • Spurr
    Distance: 181 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Hayes
    Distance: 198 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Redoubt
    Distance: 216 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Iliamna
    Distance: 253 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Wrangell
    Distance: 282 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·United States
  • Augustine
    Distance: 311 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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