M1.9 Depth: 135.3 km

M1.9 Earthquake near 64 km E of Port Alsworth, Alaska (United States)

UTC time: 2025-11-15 07:33:53 UTC Local time:

About this earthquake

On November 15, 2025 at 07:33 UTC, a magnitude M1.9 earthquake occurred near 64 km E of Port Alsworth, Alaska (United States). At around 135 km, the focal depth places this among intermediate-depth events. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The data is provided by USGS and cross-checked across seismological networks. United States: 159 earthquakes were recorded in the past 24 hours, the strongest reaching M3.2.

Details

Magnitude
M1.9
Depth
135.3 km
UTC time
2025-11-15 07:33:53 UTC
Local time
Country
City
Source
usgs
Coordinates
60.17000, -153.15340
Temperature
-8.4°C

Map

Depth profile

Depth profile Depth: 135.3 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 135.3 km
Intermediate
135.3 km
135.3 km — deeper than the regional average (15.5 km)
Regional average: 15.5 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: 16 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Redoubt
    Distance: 42 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Augustine
    Distance: 91 km ·Lava dome(s) ·Elevation: 1'218 m ·Last eruption: 2006 ·United States
  • Spurr
    Distance: 135 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Douglas
    Distance: 148 km ·Stratovolcano ·Elevation: 2'140 m ·United States
  • Fourpeaked
    Distance: 158 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