M1.9 Depth: 108.1 km

M1.9 Earthquake near 39 km SW of Skwentna, Alaska (United States)

UTC time: 2025-09-16 02:48:59 UTC Local time:

About this earthquake

On September 16, 2025 at 02:48 UTC, a magnitude M1.9 earthquake occurred near 39 km SW of Skwentna, Alaska (United States). The earthquake originated at an intermediate depth of about 108 km. Events of this size typically go unnoticed.

The event was recorded by USGS. United States: over the past 24 hours, QuakeMap24 logged 163 earthquakes, the strongest at M3.9.

Details

Magnitude
M1.9
Depth
108.1 km
UTC time
2025-09-16 02:48:59 UTC
Local time
Country
City
Source
usgs
Coordinates
61.72780, -151.88800
Temperature
3.8°C

Map

Depth profile

Depth profile Depth: 108.1 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 108.1 km
Intermediate
108.1 km
108.1 km — deeper than the regional average (15.4 km)
Regional average: 15.4 km
Why depth matters

Intermediate-depth quakes are felt across a wider area but usually cause less surface damage.

Depth classes per USGS

Volcanoes nearby

  • Hayes
    Distance: 29 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Spurr
    Distance: 51 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Redoubt
    Distance: 146 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Iliamna
    Distance: 199 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Augustine
    Distance: 276 km ·Lava dome(s) ·Elevation: 1'218 m ·Last eruption: 2006 ·United States
  • Buzzard Creek
    Distance: 313 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States

Historic earthquake map · United States

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

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

Share