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M3.9 Depth: 10.0 km

M3.9 Earthquake near 138 km SSE of Sand Point, Alaska

UTC time: 2025-09-16 13:04:52 UTC Local time: —

About this earthquake

On September 16, 2025 at 13:04 UTC, a magnitude M3.9 earthquake occurred near 138 km SSE of Sand Point, Alaska. The hypocenter lay relatively close to the surface at around 10 km, increasing how strongly it was felt. Shaking of this size is frequently noticed but usually harmless.

The event was recorded by USGS.

Details

Magnitude
M3.9
Depth
10.0 km
UTC time
2025-09-16 13:04:52 UTC
Local time
—
Country
—
Source
usgs
Coordinates
54.25330, -159.43250
Temperature
9.5°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

  • Stepovak Bay Group
    Distance: 189 km ·Volcanic field ·Elevation: 1'633 m ·United States
  • Dana
    Distance: 192 km ·Stratovolcano ·Elevation: 1'354 m ·Last eruption: -1890 ·United States
  • Kupreanof ADVISORY · YELLOW
    Distance: 197 km ·Stratovolcano ·Elevation: 1'895 m ·United States
  • Pavlof
    Distance: 204 km ·Stratovolcano ·Elevation: 2'493 m ·Last eruption: 2022 ·United States
  • Pavlof Sister
    Distance: 205 km ·Stratovolcano ·Elevation: 2'142 m ·United States
  • Emmons Lake Volcanic Center
    Distance: 207 km ·Caldera ·Elevation: 1'534 m ·United States

Stats (last 24h)

Global (24h)
911
Country (24h)
—
—
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