M1.8 Depth: 92.0 km

M1.8 Earthquake near 78 km W of Karluk, Alaska (United States)

UTC time: 2025-10-25 01:05:05 UTC Local time:

About this earthquake

On October 25, 2025 at 01:05 UTC, a magnitude M1.8 earthquake occurred near 78 km W of Karluk, Alaska (United States). At around 92 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: 206 earthquakes were recorded in the past 24 hours, the strongest reaching M5.0.

Details

Magnitude
M1.8
Depth
92.0 km
UTC time
2025-10-25 01:05:05 UTC
Local time
Country
City
Source
usgs
Coordinates
57.69970, -155.74510
Temperature
1.9°C

Map

Depth profile

Depth profile Depth: 92 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 92 km
Intermediate
92 km
92 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

  • Alaska Peninsula Arc at 155.4°W
    Distance: 27 km ·Lava dome ·Elevation: 402 m ·United States
  • Ugashik-Peulik
    Distance: 37 km ·Stratovolcano ·Elevation: 1'474 m ·Last eruption: 1814 ·United States
  • Ukinrek Maars
    Distance: 48 km ·Maar(s) ·Elevation: 91 m ·Last eruption: 1977 ·United States
  • Martin
    Distance: 57 km ·Stratovolcano ·Elevation: 1'863 m ·Last eruption: 1953 ·United States
  • Mageik
    Distance: 62 km ·Stratovolcano ·Elevation: 2'165 m ·Last eruption: -500 ·United States
  • Trident
    Distance: 71 km ·Stratovolcano ·Elevation: 1'864 m ·Last eruption: 1974 ·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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