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M3.5 Depth: 128.0 km

M3.5 Earthquake near 64 km W of Stella, Puerto Rico (United States)

UTC time: 2025-08-29 00:59:35 UTC Local time: —

About this earthquake

On August 29, 2025 at 00:59 UTC, a magnitude M3.5 earthquake occurred near 64 km W of Stella, Puerto Rico (United States). At around 128 km, the focal depth places this among intermediate-depth events. Shaking of this size is frequently noticed but usually harmless.

The event was recorded by USGS. United States: 243 earthquakes were recorded in the past 24 hours, the strongest reaching M3.9.

Details

Magnitude
M3.5
Depth
128.0 km
UTC time
2025-08-29 00:59:35 UTC
Local time
—
Country
United States
City
Puerto Rico
Source
usgs
Coordinates
18.21030, -67.84550
Temperature
28.5°C

Map

Depth profile

Depth profile Depth: 128 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 128 km
Intermediate
128 km
128 km — deeper than the regional average (15.4 km)
Regional average: 15.4 km
Why depth matters

Intermediate-depth quakes are felt across a wider area but usually cause less surface damage.

Depth classes per USGS

Volcanoes nearby

  • Saba
    Distance: 493 km ·Stratovolcano ·Elevation: 887 m ·Last eruption: 1640 ·Netherlands

Historic earthquake map · United States

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