M3.5 Earthquake 113 km N of San Antonio, Puerto Rico — November 14, 2026
2026-11-14 07:39:11 UTC (1 hour ago) · approx. 3:39 AM UTC-4 local
On November 14, 2026 at 07:39 UTC, a magnitude 3.5 shallow crustal earthquake struck 113 km N of San Antonio, Puerto Rico, at a depth of 28.0 km and coordinates 19.5083°, -67.2648°.
Physical scale: An earthquake of magnitude 3.5 releases seismic energy equivalent to roughly 3.2 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 170 m — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
-67.2648°E
Technical Information
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Common Questions
How strong was the magnitude 3.5 earthquake near San Antonio, Puerto Rico?
The magnitude 3.5 earthquake that struck 113 km N of San Antonio, Puerto Rico on November 14, 2026 at 07:39 UTC had a depth of 28.0 km. For context, this was a minor earthquake typically detected only by instruments.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 3.5 earthquakes can continue for several days and gradually diminish over time.
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Understanding This Data
Magnitude 3.5 earthquakes are typically only recorded by instruments.
Authoritative source: USGS event page (event ID: pr2026318000). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2026, November 14, 2026). M3.5 Earthquake 113 km N of San Antonio, Puerto Rico — November 14, 2026. Retrieved November 14, 2026 from https://www.earthquaketracker.org/earthquakes/event/pr2026318000/