M3.8 Earthquake 125 km N of Su?rez, Puerto Rico — July 12, 2023
2023-07-12 23:02:42 UTC (2023-07-12) · approx. 7:02 PM UTC-4 local
On July 12, 2023 at 23:02 UTC, a magnitude 3.8 intermediate depth earthquake struck 125 km N of Su?rez, Puerto Rico, at a depth of 86.0 km and coordinates 19.5615°, -65.7608°.
Physical scale: An earthquake of magnitude 3.8 releases seismic energy equivalent to roughly 7.8 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 256 m — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
-65.7608°E
Technical Information
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Common Questions
How strong was the magnitude 3.8 earthquake near Su?rez, Puerto Rico?
The magnitude 3.8 earthquake that struck 125 km N of Su?rez, Puerto Rico on July 12, 2023 at 23:02 UTC had a depth of 86.0 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 3.8 earthquakes can continue for several days and gradually diminish over time.
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Understanding This Data
Magnitude 3.8 earthquakes are typically only recorded by instruments.
Authoritative source: USGS event page (event ID: pr2023193002). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2023, July 12, 2023). M3.8 Earthquake 125 km N of Su?rez, Puerto Rico — July 12, 2023. Retrieved January 18, 2024 from https://www.earthquaketracker.org/earthquakes/event/pr2023193002/