M3.8 Earthquake 47 km SE of Boca de Yuma, Dominican Republic — October 23, 2021
2021-10-23 16:29:17 UTC (2021-10-23) · approx. 11:29 AM UTC-5 local
On October 23, 2021 at 16:29 UTC, a magnitude 3.8 intermediate depth earthquake struck 47 km SE of Boca de Yuma, Dominican Republic, at a depth of 92.0 km and coordinates 18.1188°, -68.2541°.
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
-68.2541°E
Technical Information
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Common Questions
How strong was the magnitude 3.8 earthquake near Boca de Yuma, Dominican Republic?
The magnitude 3.8 earthquake that struck 47 km SE of Boca de Yuma, Dominican Republic on October 23, 2021 at 16:29 UTC had a depth of 92.0 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: pr2021296006). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2021, October 23, 2021). M3.8 Earthquake 47 km SE of Boca de Yuma, Dominican Republic — October 23, 2021. Retrieved January 8, 2022 from https://www.earthquaketracker.org/earthquakes/event/pr2021296006/