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M3.0 Depth: 33.3 km

M3.0 Earthquake near 27 km NNE of Old Harbor, Alaska (United States)

UTC time: 2025-10-12 13:28:54 UTC Local time: —

About this earthquake

A magnitude M3.0 earthquake was recorded near 27 km NNE of Old Harbor, Alaska (United States) on October 12, 2025 at 13:28 UTC. With a focal depth of about 33 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Earthquakes of this magnitude are often felt but rarely cause damage.

The event was recorded by USGS. United States: over the past 24 hours, QuakeMap24 logged 156 earthquakes, the strongest at M5.1.

Details

Magnitude
M3.0
Depth
33.3 km
UTC time
2025-10-12 13:28:54 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
57.43380, -153.12850
Temperature
9.9°C

Map

Depth profile

Depth profile Depth: 33.3 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 33.3 km
Shallow
33.3 km
33.3 km — deeper than the regional average (15.6 km)
Regional average: 15.6 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

  • Steller
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  • Denison
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  • Kukak
    Distance: 134 km ·Stratovolcano ·Elevation: 2'043 m ·United States
  • Snowy Mountain
    Distance: 136 km ·Stratovolcano(es) ·Elevation: 2'162 m ·Last eruption: 1710 ·United States
  • Kaguyak
    Distance: 141 km ·Lava dome(s) ·Elevation: 901 m ·Last eruption: -3850 ·United States
  • Katmai
    Distance: 143 km ·Stratovolcano ·Elevation: 2'047 m ·Last eruption: 1912 ·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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