M1.5 Depth: 122.7 km

M1.5 Earthquake near 65 km E of Port Alsworth, Alaska (United States)

UTC time: 2025-09-14 03:18:06 UTC Local time:

About this earthquake

A magnitude M1.5 earthquake was recorded near 65 km E of Port Alsworth, Alaska (United States) on September 14, 2025 at 03:18 UTC. The earthquake originated at an intermediate depth of about 123 km. Events of this size typically go unnoticed.

The data is provided by USGS and cross-checked across seismological networks. United States: 169 earthquakes were recorded in the past 24 hours, the strongest reaching M3.9.

Details

Magnitude
M1.5
Depth
122.7 km
UTC time
2025-09-14 03:18:06 UTC
Local time
Country
City
Source
usgs
Coordinates
60.18090, -153.13960
Temperature
0.0°C

Map

Depth profile

Depth profile Depth: 122.7 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 122.7 km
Intermediate
122.7 km
122.7 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

  • Iliamna
    Distance: 17 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Redoubt
    Distance: 40 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Augustine
    Distance: 92 km ·Lava dome(s) ·Elevation: 1'218 m ·Last eruption: 2006 ·United States
  • Spurr
    Distance: 133 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Douglas
    Distance: 149 km ·Stratovolcano ·Elevation: 2'140 m ·United States
  • Fourpeaked
    Distance: 160 km ·Stratovolcano ·Elevation: 2'105 m ·Last eruption: 2006 ·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