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USGSSeptember 4, 2026

M3.2 earthquake, 67 km NW of San Antonio, Puerto Rico

A magnitude 3.2 earthquake was recorded 67 km NW of San Antonio, Puerto Rico at a depth of 6 km, according to the U.S. Geological Survey. It was the 8,617th earthquake of magnitude 2.5 or more the USGS located in and near the U.S. in 2026, against 12,608 a year on average in 2016-2025.

M3.2

The notice

Issued by
U.S. Geological Survey
Area
67 km NW of San Antonio, Puerto Rico
State
Puerto Rico
Magnitude
3.2 (duration magnitude)
Depth
5.9 km
Time
2026-09-04 14:06:56 UTC
Status
reviewed by a seismologist
Epicentre
18.864, -67.602
Official source
U.S. Geological Survey: the notice at its source

Source: U.S. Geological Survey: the notice at its source. AreaZine rebuilds this page from the agency's record; the agency's page is the one to act on. A U.S. Government work, in the public domain.