M3.4

USGS earthquake · M3.431 km N of Isabela

Name: M3.4 earthquake at 31 km N of Isabela, Puerto Rico
Creator: U.S. Geological Survey
License: https://www.usgs.gov/information-policies-and-instructions/copyrights-and-credits

🇵🇷 - Puerto Rico

Oct 28, 2026, 1:00 AM UTC · 2 hours ago

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Depth9.5 km

Origin timeOct 28, 2026, 1:00 AM UTC

Coordinates18.781, -67.049

Tsunami flagNot reported

Magnitude scaleDuration magnitude

SolutionReviewed by a seismologist

Official source

U.S. Geological Survey

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USGS earthquake · M3.431 km N of Isabela

U.S. Geological Survey

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