M3.0 Earthquake 3 km NW of H. Rivera Colon, Puerto Rico — April 5, 2025
2025-04-05 23:49:38 UTC (2025-04-05) · approx. 7:49 PM UTC-4 local
On April 5, 2025 at 23:49 UTC, a magnitude 3.0 intermediate depth earthquake struck 3 km NW of H. Rivera Colon, Puerto Rico, at a depth of 117.0 km and coordinates 18.3678°, -66.2980°.
Physical scale: An earthquake of magnitude 3.0 releases seismic energy equivalent to roughly 511 kg of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 73 m — a useful intuition for the size of the slip patch on the fault.

Earthquake Details
-66.2980°E
Technical Information
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Common Questions
How strong was the magnitude 3.0 earthquake near H. Rivera Colon, Puerto Rico?
The magnitude 3.0 earthquake that struck 3 km NW of H. Rivera Colon, Puerto Rico on April 5, 2025 at 23:49 UTC had a depth of 117.0 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 3.0 earthquakes can continue for several days and gradually diminish over time.
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Understanding This Data
Magnitude 3.0 earthquakes are typically only recorded by instruments.
Authoritative source: USGS event page (event ID: pr71478448). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2025, April 5, 2025). M3.0 Earthquake 3 km NW of H. Rivera Colon, Puerto Rico — April 5, 2025. Retrieved April 6, 2025 from https://www.earthquaketracker.org/earthquakes/event/pr71478448/