M3.4 Earthquake 131 km NNE of Vieques, Puerto Rico — June 2, 2025
2025-06-02 23:30:23 UTC (2025-06-02) · approx. 7:30 PM UTC-4 local
On June 2, 2025 at 23:30 UTC, a magnitude 3.4 shallow crustal earthquake struck 131 km NNE of Vieques, Puerto Rico, at a depth of 68.9 km and coordinates 19.5583°, -65.4695°.
Physical scale: An earthquake of magnitude 3.4 releases seismic energy equivalent to roughly 2.1 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 140 m — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
-65.4695°E
Technical Information
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Common Questions
How strong was the magnitude 3.4 earthquake near Vieques, Puerto Rico?
The magnitude 3.4 earthquake that struck 131 km NNE of Vieques, Puerto Rico on June 2, 2025 at 23:30 UTC had a depth of 68.9 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 3.4 earthquakes can continue for several days and gradually diminish over time.
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Understanding This Data
Magnitude 3.4 earthquakes are typically only recorded by instruments.
Authoritative source: USGS event page (event ID: pr71484203). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2025, June 2, 2025). M3.4 Earthquake 131 km NNE of Vieques, Puerto Rico — June 2, 2025. Retrieved August 16, 2025 from https://www.earthquaketracker.org/earthquakes/event/pr71484203/