United States

M4.0 Earthquake near 82 km SSE of Sand Point, Alaska (United States)

UTC time: 2025-07-17 05:06:50 UTC Local time: —

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About this earthquake

On July 17, 2025 at 05:06 UTC, a magnitude M4.0 earthquake occurred near 82 km SSE of Sand Point, Alaska (United States). With a focal depth of about 39 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Earthquakes of this magnitude are clearly felt; minor damage to vulnerable buildings is possible.

The data is provided by USGS and cross-checked across seismological networks. United States: over the past 24 hours, QuakeMap24 logged 172 earthquakes, the strongest at M3.3.

Details

ID
b5428992efe9d88d2899188f3bf2e1f84dd18b1d
Magnitude
M4.0
Depth
38.6 km
UTC time
2025-07-17 05:06:50 UTC
Local time
—
Country
City
Source
usgs
Coordinates
54.66340, -159.95750
Temperature
11.0°C

Depth profile

Depth profile Depth: 38.6 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 38.6 km
Shallow
38.6 km
38.6 km — deeper than the regional average (15.2 km)
Regional average: 15.2 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

  • Distance: 135 km ·Stratovolcano ·Elevation: 1'354 m ·Last eruption: -1890 ·United States
  • Distance: 139 km ·Volcanic field ·Elevation: 1'633 m ·United States
  • Distance: 149 km ·Stratovolcano ·Elevation: 2'493 m ·Last eruption: 2022 ·United States
  • Distance: 150 km ·Stratovolcano ·Elevation: 2'142 m ·United States
  • Distance: 150 km ·Stratovolcano ·Elevation: 1'895 m ·United States
  • Distance: 154 km ·Caldera ·Elevation: 1'534 m ·United States

Alaska

Context for this earthquake

05 Oct 2025 – 05 Oct 2026 · M ≥ 3.0 · 653 Catalogue entries

Sufficiently reliable matching data are not currently available for a direct comparison. The area profile shows the available records and their limitations.

Open seismic profile

Historic earthquake map · United States

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Country statistics · United States

View earthquake KPIs, strongest and latest events, and averages for this country.

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