Earthquake report · M 3.4

M3.4 earthquake 41 km from Aguadilla, Puerto Rico

USGS · updated Oct 28, 2026, 02:00 UTC

A magnitude 3.4 earthquake was recorded on Oct 27, 2026, 9:00 PM (AST) 31 km N of Isabela, Puerto Rico at a depth of 10 km, according to the U.S. Geological Survey (USGS). Data is preliminary and the magnitude may be revised.

Reported location · 18.78°, -67.05° ·

Read the official report ↗Map, updates and comments

Details

Source: usgs
Category: earthquake
Source status: active
Magnitude: 3.4
Depth (km): 10
Local time: Oct 27, 2026, 9:00 PM (AST)
UTC time: 2026-10-28 01:00
Coordinates: 18.781, -67.049

Updates

M 3.4 - 31 km N of Isabela, Puerto RicoOct 28, 2026, 02:00 UTC

Nearby cities

Aguadilla · 41 km
Arecibo · 49 km
Barceloneta · 65 km
Mayagüez · 65 km
Manatí · 71 km

All recent earthquakes in Puerto Rico →

Saved source report · captured Nov 3, 2026, 19:21 UTC. Follow the issuing authority’s current instructions.