USGSNovember 4, 2026
M3.1 earthquake, 40 km NW of San Antonio, Puerto Rico
A magnitude 3.1 earthquake was recorded 40 km NW of San Antonio, Puerto Rico at a depth of 14 km, according to the U.S. Geological Survey. It was the 10,633rd 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.
M3.1
The notice
- Issued by
- U.S. Geological Survey
- Area
- 40 km NW of San Antonio, Puerto Rico
- State
- Puerto Rico
- Magnitude
- 3.1 (duration magnitude)
- Depth
- 14.1 km
- Time
- 2026-11-04 05:13:47 UTC
- Status
- reviewed by a seismologist
- Epicentre
- 18.790, -67.327
- Official source
- U.S. Geological Survey: the notice at its source
Warnings and earthquakes in Puerto RicoEarthquakes, November 2026
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.