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M3.3 Depth: 10.0 km

M3.3 Earthquake near 130 km SSE of Old Harbor, Alaska

UTC time: 2025-09-01 15:20:26 UTC Local time: —

About this earthquake

A magnitude M3.3 earthquake was recorded near 130 km SSE of Old Harbor, Alaska on September 1, 2025 at 15:20 UTC. With a focal depth of about 10 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Shaking of this size is frequently noticed but usually harmless.

The event was recorded by USGS.

Details

Magnitude
M3.3
Depth
10.0 km
UTC time
2025-09-01 15:20:26 UTC
Local time
—
Country
—
Source
usgs
Coordinates
56.22390, -152.12620
Temperature
14.4°C

Map

Depth profile

Depth profile Depth: 10 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 10 km
Shallow
10 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: 270 km ·Lava dome ·Elevation: 402 m ·United States
  • Steller
    Distance: 280 km ·Stratovolcano ·Elevation: 2'279 m ·United States
  • Snowy Mountain
    Distance: 281 km ·Stratovolcano(es) ·Elevation: 2'162 m ·Last eruption: 1710 ·United States
  • Denison
    Distance: 281 km ·Stratovolcano ·Elevation: 2'287 m ·United States
  • Kukak
    Distance: 282 km ·Stratovolcano ·Elevation: 2'043 m ·United States
  • Katmai
    Distance: 285 km ·Stratovolcano ·Elevation: 2'047 m ·Last eruption: 1912 ·United States

Stats (last 24h)

Global (24h)
606
Country (24h)
—
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