M3.5 Earthquake 62 km N of Cruz Bay, U.S. Virgin Islands — October 30, 2023
2023-10-30 20:26:35 UTC (2023-10-30) · approx. 4:26 PM UTC-4 local
On October 30, 2023 at 20:26 UTC, a magnitude 3.5 shallow crustal earthquake struck 62 km N of Cruz Bay, U.S. Virgin Islands, at a depth of 11.0 km and coordinates 18.8856°, -64.6843°.
Physical scale: An earthquake of magnitude 3.5 releases seismic energy equivalent to roughly 2.6 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 154 m — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
-64.6843°E
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Common Questions
How strong was the magnitude 3.5 earthquake near Cruz Bay, U.S. Virgin Islands?
The magnitude 3.5 earthquake that struck 62 km N of Cruz Bay, U.S. Virgin Islands on October 30, 2023 at 20:26 UTC had a depth of 11.0 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 3.5 earthquakes can continue for several days and gradually diminish over time.
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Understanding This Data
Magnitude 3.5 earthquakes are typically only recorded by instruments.
Authoritative source: USGS event page (event ID: pr2023303000). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2023, October 30, 2023). M3.5 Earthquake 62 km N of Cruz Bay, U.S. Virgin Islands — October 30, 2023. Retrieved October 30, 2023 from https://www.earthquaketracker.org/earthquakes/event/pr2023303000/