USGSOctober 6, 2026
M3.1 earthquake, 7 km NNW of Trujillo Alto, Puerto Rico
A magnitude 3.1 earthquake was recorded 7 km NNW of Trujillo Alto, Puerto Rico at a depth of 113 km, according to the U.S. Geological Survey. It was the 9,663rd 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
- 7 km NNW of Trujillo Alto, Puerto Rico
- State
- Puerto Rico
- Magnitude
- 3.1 (duration magnitude)
- Depth
- 113.0 km
- Time
- 2026-10-06 15:42:06 UTC
- Status
- reviewed by a seismologist
- Epicentre
- 18.409, -66.045
- Official source
- U.S. Geological Survey: the notice at its source
Warnings and earthquakes in Puerto RicoEarthquakes, October 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.