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M4.5 Depth: 35.0 km

M4.5 Earthquake near 111 km SSE of Sand Point, Alaska

UTC time: 2025-09-20 20:29:46 UTC Local time: —

About this earthquake

On September 20, 2025 at 20:29 UTC, a magnitude M4.5 earthquake occurred near 111 km SSE of Sand Point, Alaska. The hypocenter lay relatively close to the surface at around 35 km, increasing how strongly it was felt. Earthquakes of this magnitude are clearly felt; minor damage to vulnerable buildings is possible.

The event was recorded by USGS.

Details

Magnitude
M4.5
Depth
35.0 km
UTC time
2025-09-20 20:29:46 UTC
Local time
—
Country
—
Source
usgs
Coordinates
54.41910, -159.81480
Temperature
10.6°C

Map

Depth profile

Depth profile Depth: 35 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 35 km
Shallow
35 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

  • Dana
    Distance: 163 km ·Stratovolcano ·Elevation: 1'354 m ·Last eruption: -1890 ·United States
  • Stepovak Bay Group
    Distance: 167 km ·Volcanic field ·Elevation: 1'633 m ·United States
  • Pavlof
    Distance: 173 km ·Stratovolcano ·Elevation: 2'493 m ·Last eruption: 2022 ·United States
  • Pavlof Sister
    Distance: 174 km ·Stratovolcano ·Elevation: 2'142 m ·United States
  • Emmons Lake Volcanic Center
    Distance: 176 km ·Caldera ·Elevation: 1'534 m ·United States
  • Kupreanof ADVISORY · YELLOW
    Distance: 177 km ·Stratovolcano ·Elevation: 1'895 m ·United States

Stats (last 24h)

Global (24h)
910
Country (24h)
—
—
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