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M1.2 Depth: 37.5 km

M1.2 Earthquake near 17 km SW of Knik River, Alaska (United States)

UTC time: 2025-08-16 05:39:06 UTC Local time: —

About this earthquake

A magnitude M1.2 earthquake was recorded near 17 km SW of Knik River, Alaska (United States) on August 16, 2025 at 05:39 UTC. The hypocenter lay relatively close to the surface at around 38 km, increasing how strongly it was felt. Events of this size typically go unnoticed.

The event was recorded by USGS. United States: 224 earthquakes were recorded in the past 24 hours, the strongest reaching M3.9.

Details

Magnitude
M1.2
Depth
37.5 km
UTC time
2025-08-16 05:39:06 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
61.36510, -149.17120
Temperature
8.4°C

Map

Depth profile

Depth profile Depth: 37.5 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 37.5 km
Shallow
37.5 km
37.5 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: 164 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Hayes
    Distance: 175 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: 260 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Wrangell
    Distance: 281 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·United States
  • Buzzard Creek
    Distance: 302 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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