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M-0.2 Depth: 1.1 km

M-0.2 Earthquake near 83 km NNW of Karluk, Alaska (United States)

UTC time: 2025-08-18 10:30:56 UTC Local time: —

About this earthquake

A magnitude M-0.2 earthquake was recorded near 83 km NNW of Karluk, Alaska (United States) on August 18, 2025 at 10:30 UTC. The hypocenter lay relatively close to the surface at around 1 km, increasing how strongly it was felt. Events of this size typically go unnoticed.

The data is provided by USGS and cross-checked across seismological networks. United States: over the past 24 hours, QuakeMap24 logged 230 earthquakes, the strongest at M3.9.

Details

Magnitude
M-0.2
Depth
1.1 km
UTC time
2025-08-18 10:30:56 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
58.23350, -155.10080
Temperature
9.5°C

Map

Depth profile

Depth profile Depth: 1.1 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 1.1 km
Shallow
1.1 km
1.1 km — shallower than the regional average (15.4 km)
Regional average: 15.4 km
Why depth matters

Shallow quakes release energy near the surface — shaking is felt more strongly and damage potential is higher.

Depth classes per USGS

Volcanoes nearby

  • Trident
    Distance: 0 km ·Stratovolcano ·Elevation: 1'864 m ·Last eruption: 1974 ·United States
  • Novarupta
    Distance: 5 km ·Caldera ·Elevation: 841 m ·Last eruption: 1912 ·United States
  • Mageik
    Distance: 10 km ·Stratovolcano ·Elevation: 2'165 m ·Last eruption: -500 ·United States
  • Katmai
    Distance: 10 km ·Stratovolcano ·Elevation: 2'047 m ·Last eruption: 1912 ·United States
  • Griggs
    Distance: 13 km ·Stratovolcano ·Elevation: 2'317 m ·Last eruption: -1790 ·United States
  • Martin
    Distance: 17 km ·Stratovolcano ·Elevation: 1'863 m ·Last eruption: 1953 ·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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