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M1.4 Depth: 114.8 km

M1.4 Earthquake near 30 km NE of Larsen Bay, Alaska (United States)

UTC time: 2025-08-12 03:55:30 UTC Local time: —

About this earthquake

A magnitude M1.4 earthquake was recorded near 30 km NE of Larsen Bay, Alaska (United States) on August 12, 2025 at 03:55 UTC. The earthquake originated at an intermediate depth of about 115 km. 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 188 earthquakes, the strongest at M4.1.

Details

Magnitude
M1.4
Depth
114.8 km
UTC time
2025-08-12 03:55:30 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
57.76260, -153.68010
Temperature
13.2°C

Map

Depth profile

Depth profile Depth: 114.8 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 114.8 km
Intermediate
114.8 km
114.8 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

  • Steller
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  • Snowy Mountain
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  • Katmai
    Distance: 94 km ·Stratovolcano ·Elevation: 2'047 m ·Last eruption: 1912 ·United States
  • Kaguyak
    Distance: 97 km ·Lava dome(s) ·Elevation: 901 m ·Last eruption: -3850 ·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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