M3.1 Earthquake 0 km NE of Magas Arriba, Puerto Rico — April 3, 2022
2022-04-03 23:34:24 UTC (2022-04-03) · approx. 7:34 PM UTC-4 local
On April 3, 2022 at 23:34 UTC, a magnitude 3.1 shallow crustal earthquake struck 0 km NE of Magas Arriba, Puerto Rico, at a depth of 15.0 km and coordinates 18.0228°, -66.7635°.
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
-66.7635°E
Technical Information
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Common Questions
How strong was the magnitude 3.1 earthquake near Magas Arriba, Puerto Rico?
The magnitude 3.1 earthquake that struck 0 km NE of Magas Arriba, Puerto Rico on April 3, 2022 at 23:34 UTC had a depth of 15.0 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 3.1 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: pr2022093001). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2022, April 3, 2022). M3.1 Earthquake 0 km NE of Magas Arriba, Puerto Rico — April 3, 2022. Retrieved June 11, 2022 from https://www.earthquaketracker.org/earthquakes/event/pr2022093001/