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M1.3 Depth: 2.5 km

M1.3 Earthquake near 85 km NNW of Karluk, Alaska (United States)

UTC time: 2025-08-09 14:21:48 UTC Local time: —

About this earthquake

A magnitude M1.3 earthquake was recorded near 85 km NNW of Karluk, Alaska (United States) on August 9, 2025 at 14:21 UTC. The hypocenter lay relatively close to the surface at around 3 km, increasing how strongly it was felt. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The data is provided by USGS and cross-checked across seismological networks. United States: over the past 24 hours, QuakeMap24 logged 162 earthquakes, the strongest at M4.1.

Details

Magnitude
M1.3
Depth
2.5 km
UTC time
2025-08-09 14:21:48 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
58.28710, -154.95750
Temperature
11.6°C

Map

Depth profile

Depth profile Depth: 2.5 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 2.5 km
Shallow
2.5 km
2.5 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

  • Katmai
    Distance: 1 km ·Stratovolcano ·Elevation: 2'047 m ·Last eruption: 1912 ·United States
  • Trident
    Distance: 10 km ·Stratovolcano ·Elevation: 1'864 m ·Last eruption: 1974 ·United States
  • Griggs
    Distance: 11 km ·Stratovolcano ·Elevation: 2'317 m ·Last eruption: -1790 ·United States
  • Novarupta
    Distance: 12 km ·Caldera ·Elevation: 841 m ·Last eruption: 1912 ·United States
  • Snowy Mountain
    Distance: 17 km ·Stratovolcano(es) ·Elevation: 2'162 m ·Last eruption: 1710 ·United States
  • Mageik
    Distance: 20 km ·Stratovolcano ·Elevation: 2'165 m ·Last eruption: -500 ·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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