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United States

M1.6 Earthquake near 8 km WNW of Karluk, Alaska (United States)

UTC time: 2025-04-28 08:59:47 UTC Local time: —

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About this earthquake

A magnitude M1.6 earthquake was recorded near 8 km WNW of Karluk, Alaska (United States) on April 28, 2025 at 08:59 UTC. The hypocenter lay relatively close to the surface at around 28 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: 169 earthquakes were recorded in the past 24 hours, the strongest reaching M3.9.

Details

ID
f28fd3bc5be70e1462b932be25b8fdeabd06d329
Magnitude
M1.6
Depth
27.8 km
UTC time
2025-04-28 08:59:47 UTC
Local time
—
Country
United States
Source
usgs
Coordinates
57.59640, -154.58790
Temperature
7.0°C

Depth profile

Depth profile Depth: 27.8 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 27.8 km
Shallow
27.8 km
27.8 km — deeper 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

  • Alaska Peninsula Arc at 155.4°W
    Distance: 58 km ·Lava dome ·Elevation: 402 m ·United States
  • Trident
    Distance: 77 km ·Stratovolcano ·Elevation: 1'864 m ·Last eruption: 1974 ·United States
  • Mageik
    Distance: 77 km ·Stratovolcano ·Elevation: 2'165 m ·Last eruption: -500 ·United States
  • Martin
    Distance: 79 km ·Stratovolcano ·Elevation: 1'863 m ·Last eruption: 1953 ·United States
  • Katmai
    Distance: 79 km ·Stratovolcano ·Elevation: 2'047 m ·Last eruption: 1912 ·United States
  • Novarupta
    Distance: 82 km ·Caldera ·Elevation: 841 m ·Last eruption: 1912 ·United States

Historic earthquake map · United States

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Country statistics · United States

Country overview
View earthquake KPIs, strongest and latest events, and averages for this country.

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