M1.8 Depth: 70.9 km

M1.8 Earthquake near 85 km W of Karluk, Alaska (United States)

UTC time: 2025-10-11 00:43:17 UTC Local time:

About this earthquake

A magnitude M1.8 earthquake was recorded near 85 km W of Karluk, Alaska (United States) on October 11, 2025 at 00:43 UTC. The earthquake originated at an intermediate depth of about 71 km. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The event was recorded by USGS. United States: over the past 24 hours, QuakeMap24 logged 199 earthquakes, the strongest at M5.5.

Details

Magnitude
M1.8
Depth
70.9 km
UTC time
2025-10-11 00:43:17 UTC
Local time
Country
City
Source
usgs
Coordinates
57.52260, -155.88660
Temperature
9.4°C

Map

Depth profile

Depth profile Depth: 70.9 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 70.9 km
Intermediate
70.9 km
70.9 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

  • Ugashik-Peulik
    Distance: 38 km ·Stratovolcano ·Elevation: 1'474 m ·Last eruption: 1814 ·United States
  • Alaska Peninsula Arc at 155.4°W
    Distance: 48 km ·Lava dome ·Elevation: 402 m ·United States
  • Ukinrek Maars
    Distance: 51 km ·Maar(s) ·Elevation: 91 m ·Last eruption: 1977 ·United States
  • Kialagvik
    Distance: 63 km ·Stratovolcano ·Elevation: 1'677 m ·United States
  • Martin
    Distance: 79 km ·Stratovolcano ·Elevation: 1'863 m ·Last eruption: 1953 ·United States
  • Chiginagak
    Distance: 79 km ·Stratovolcano ·Elevation: 2'221 m ·Last eruption: 1998 ·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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