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M4.4 Depth: 9.8 km

M4.4 Earthquake near 141 km SSE of Old Harbor, Alaska

UTC time: 2025-09-01 19:18:58 UTC Local time: —

About this earthquake

A magnitude M4.4 earthquake was recorded near 141 km SSE of Old Harbor, Alaska on September 1, 2025 at 19:18 UTC. With a focal depth of about 10 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Tremors of this size are distinctly felt and can occasionally cause light damage.

The event was recorded by USGS.

Details

Magnitude
M4.4
Depth
9.8 km
UTC time
2025-09-01 19:18:58 UTC
Local time
—
Country
—
Source
usgs
Coordinates
56.13010, -152.07160
Temperature
14.6°C

Map

Depth profile

Depth profile Depth: 9.8 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 9.8 km
Shallow
9.8 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: 280 km ·Lava dome ·Elevation: 402 m ·United States
  • Steller
    Distance: 291 km ·Stratovolcano ·Elevation: 2'279 m ·United States
  • Snowy Mountain
    Distance: 291 km ·Stratovolcano(es) ·Elevation: 2'162 m ·Last eruption: 1710 ·United States
  • Denison
    Distance: 292 km ·Stratovolcano ·Elevation: 2'287 m ·United States
  • Kukak
    Distance: 292 km ·Stratovolcano ·Elevation: 2'043 m ·United States
  • Katmai
    Distance: 295 km ·Stratovolcano ·Elevation: 2'047 m ·Last eruption: 1912 ·United States

Stats (last 24h)

Global (24h)
603
Country (24h)
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