M3.1 Earthquake 2 km SW of Hato Candal, Puerto Rico — August 31, 2026
2026-08-31 06:53:28 UTC (4 hours ago) · approx. 2:53 AM UTC-4 local
On August 31, 2026 at 06:53 UTC, a magnitude 3.1 intermediate depth earthquake struck 2 km SW of Hato Candal, Puerto Rico, at a depth of 128.4 km and coordinates 18.3602°, -65.8015°.
Physical scale: An earthquake of magnitude 3.1 releases seismic energy equivalent to roughly 722 kg of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 86 m — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
-65.8015°E
Technical Information
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Common Questions
How strong was the magnitude 3.1 earthquake near Hato Candal, Puerto Rico?
The magnitude 3.1 earthquake that struck 2 km SW of Hato Candal, Puerto Rico on August 31, 2026 at 06:53 UTC had a depth of 128.4 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 3.1 earthquakes can continue for several days and gradually diminish over time.
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Understanding This Data
Magnitude 3.1 earthquakes are typically only recorded by instruments.
Authoritative source: USGS event page (event ID: pr71530423). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2026, August 31, 2026). M3.1 Earthquake 2 km SW of Hato Candal, Puerto Rico — August 31, 2026. Retrieved August 31, 2026 from https://www.earthquaketracker.org/earthquakes/event/pr71530423/