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M3.3 Depth: 136.5 km

M3.3 Earthquake near Puerto Rico (United States)

UTC time: 2026-08-06 18:06:31 UTC Local time: —

About this earthquake

A magnitude M3.3 earthquake was recorded near Puerto Rico (United States) on August 6, 2026 at 18:06 UTC. At around 136 km, the focal depth places this among intermediate-depth events. Shaking of this size is frequently noticed but usually harmless.

The data is provided by USGS and cross-checked across seismological networks. United States: 142 earthquakes were recorded in the past 24 hours, the strongest reaching M4.5.

Details

Magnitude
M3.3
Depth
136.5 km
UTC time
2026-08-06 18:06:31 UTC
Local time
—
Country
United States
State
Puerto Rico
City
Puerto Rico
Source
usgs
Coordinates
18.20900, -67.80333
Temperature
28.8°C

Map

Depth profile

Depth profile Depth: 136.5 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 136.5 km
Intermediate
136.5 km
136.5 km — deeper than the regional average (15.5 km)
Regional average: 15.5 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: 488 km ·Stratovolcano ·Elevation: 887 m ·Last eruption: 1640 ·Netherlands

Historic earthquake map · United States

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Country statistics · United States

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

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