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M1.2 Depth: 27.9 km

M1.2 Earthquake near 8 km SSW of Knik, Alaska (United States)

UTC time: 2025-09-03 07:19:48 UTC Local time: —

About this earthquake

A magnitude M1.2 earthquake was recorded near 8 km SSW of Knik, Alaska (United States) on September 3, 2025 at 07:19 UTC. The hypocenter lay relatively close to the surface at around 28 km, increasing how strongly it was felt. Events of this size typically go unnoticed.

The data is provided by USGS and cross-checked across seismological networks. United States: 241 earthquakes were recorded in the past 24 hours, the strongest reaching M3.5.

Details

Magnitude
M1.2
Depth
27.9 km
UTC time
2025-09-03 07:19:48 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
61.38760, -149.79790
Temperature
10.6°C

Map

Depth profile

Depth profile Depth: 27.9 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 27.9 km
Shallow
27.9 km
27.9 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

  • Spurr
    Distance: 131 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Hayes
    Distance: 141 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Redoubt
    Distance: 188 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Iliamna
    Distance: 234 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Augustine
    Distance: 301 km ·Lava dome(s) ·Elevation: 1'218 m ·Last eruption: 2006 ·United States
  • Buzzard Creek
    Distance: 305 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·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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