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M1.4 Depth: 151.8 km

M1.4 Earthquake near 52 km SE of King Salmon, Alaska (United States)

UTC time: 2025-10-21 12:19:02 UTC Local time: —

About this earthquake

A magnitude M1.4 earthquake was recorded near 52 km SE of King Salmon, Alaska (United States) on October 21, 2025 at 12:19 UTC. At around 152 km, the focal depth places this among intermediate-depth events. Events of this size typically go unnoticed.

The data is provided by USGS and cross-checked across seismological networks. United States: 184 earthquakes were recorded in the past 24 hours, the strongest reaching M4.7.

Details

Magnitude
M1.4
Depth
151.8 km
UTC time
2025-10-21 12:19:02 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
58.39340, -155.95360
Temperature
-0.6°C

Map

Depth profile

Depth profile Depth: 151.8 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 151.8 km
Intermediate
151.8 km
151.8 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

  • Martin
    Distance: 42 km ·Stratovolcano ·Elevation: 1'863 m ·Last eruption: 1953 ·United States
  • Mageik
    Distance: 47 km ·Stratovolcano ·Elevation: 2'165 m ·Last eruption: -500 ·United States
  • Novarupta
    Distance: 49 km ·Caldera ·Elevation: 841 m ·Last eruption: 1912 ·United States
  • Griggs
    Distance: 50 km ·Stratovolcano ·Elevation: 2'317 m ·Last eruption: -1790 ·United States
  • Trident
    Distance: 53 km ·Stratovolcano ·Elevation: 1'864 m ·Last eruption: 1974 ·United States
  • Katmai
    Distance: 60 km ·Stratovolcano ·Elevation: 2'047 m ·Last eruption: 1912 ·United States

Historic earthquake map · United States

Open history map
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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