M4.1 Depth: 143.0 km

M4.1 Earthquake near 21 km SE of Kokhanok, Alaska (United States)

UTC time: 2025-11-23 20:30:19 UTC Local time:

About this earthquake

A magnitude M4.1 earthquake was recorded near 21 km SE of Kokhanok, Alaska (United States) on November 23, 2025 at 20:30 UTC. At around 143 km, the focal depth places this among intermediate-depth events. Earthquakes of this magnitude are clearly felt; minor damage to vulnerable buildings is possible.

The data is provided by USGS and cross-checked across seismological networks. United States: 183 earthquakes were recorded in the past 24 hours, the strongest reaching M5.8.

Details

Magnitude
M4.1
Depth
143.0 km
UTC time
2025-11-23 20:30:19 UTC
Local time
Country
City
Source
usgs
Coordinates
59.30344, -154.50316
Temperature
-2.0°C

Map

Depth profile

Depth profile Depth: 143 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 143 km
Intermediate
143 km
143 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

  • Augustine
    Distance: 61 km ·Lava dome(s) ·Elevation: 1'218 m ·Last eruption: 2006 ·United States
  • Douglas
    Distance: 74 km ·Stratovolcano ·Elevation: 2'140 m ·United States
  • Fourpeaked
    Distance: 76 km ·Stratovolcano ·Elevation: 2'105 m ·Last eruption: 2006 ·United States
  • Kaguyak
    Distance: 82 km ·Lava dome(s) ·Elevation: 901 m ·Last eruption: -3850 ·United States
  • Kukak
    Distance: 95 km ·Stratovolcano ·Elevation: 2'043 m ·United States
  • Steller
    Distance: 97 km ·Stratovolcano ·Elevation: 2'279 m ·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.

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