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M4.0 Depth: 38.6 km

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

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

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 204 earthquakes, the strongest at M3.2.

Details

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

Map

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 (15.3 km)
Regional average: 15.3 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: 135 km ·Stratovolcano ·Elevation: 1'354 m ·Last eruption: -1890 ·United States
  • Stepovak Bay Group
    Distance: 139 km ·Volcanic field ·Elevation: 1'633 m ·United States
  • Pavlof
    Distance: 149 km ·Stratovolcano ·Elevation: 2'493 m ·Last eruption: 2022 ·United States
  • Pavlof Sister
    Distance: 150 km ·Stratovolcano ·Elevation: 2'142 m ·United States
  • Kupreanof ADVISORY · YELLOW
    Distance: 150 km ·Stratovolcano ·Elevation: 1'895 m ·United States
  • Emmons Lake Volcanic Center
    Distance: 154 km ·Caldera ·Elevation: 1'534 m ·United States

Historic earthquake map · United States

Open history map
Explore recent and long-term earthquake activity in this country. Use filters to narrow down by magnitude, depth, and date range.

Country statistics · United States

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

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