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M0.3 Depth: 4.5 km

M0.3 Earthquake near 79 km NNW of Karluk, Alaska (United States)

UTC time: 2025-07-18 23:36:41 UTC Local time: —

About this earthquake

On July 18, 2025 at 23:36 UTC, a magnitude M0.3 earthquake occurred near 79 km NNW of Karluk, Alaska (United States). The hypocenter lay relatively close to the surface at around 5 km, increasing how strongly it was felt. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The event was recorded by USGS. United States: 202 earthquakes were recorded in the past 24 hours, the strongest reaching M3.2.

Details

Magnitude
M0.3
Depth
4.5 km
UTC time
2025-07-18 23:36:41 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
58.24183, -154.88667
Temperature
12.8°C

Map

Depth profile

Depth profile Depth: 4.5 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 4.5 km
Shallow
4.5 km
4.5 km — shallower than the regional average (15.3 km)
Regional average: 15.3 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

  • Katmai
    Distance: 6 km ·Stratovolcano ·Elevation: 2'047 m ·Last eruption: 1912 ·United States
  • Trident
    Distance: 13 km ·Stratovolcano ·Elevation: 1'864 m ·Last eruption: 1974 ·United States
  • Snowy Mountain
    Distance: 16 km ·Stratovolcano(es) ·Elevation: 2'162 m ·Last eruption: 1710 ·United States
  • Novarupta
    Distance: 16 km ·Caldera ·Elevation: 841 m ·Last eruption: 1912 ·United States
  • Griggs
    Distance: 17 km ·Stratovolcano ·Elevation: 2'317 m ·Last eruption: -1790 ·United States
  • Mageik
    Distance: 22 km ·Stratovolcano ·Elevation: 2'165 m ·Last eruption: -500 ·United States

Historic earthquake map · United States

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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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