M3.1 Earthquake 74 km N of Charlotte Amalie, U.S. Virgin Islands — October 17, 2026
2026-10-17 04:11:56 UTC (1 hour ago) · approx. 12:11 AM UTC-4 local
On October 17, 2026 at 04:11 UTC, a magnitude 3.1 shallow crustal earthquake struck 74 km N of Charlotte Amalie, U.S. Virgin Islands, at a depth of 26.0 km and coordinates 19.0090°, -65.0140°.
Physical scale: An earthquake of magnitude 3.1 releases seismic energy equivalent to roughly 651 kg of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 82 m — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
-65.0140°E
Technical Information
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Common Questions
How strong was the magnitude 3.1 earthquake near Charlotte Amalie, U.S. Virgin Islands?
The magnitude 3.1 earthquake that struck 74 km N of Charlotte Amalie, U.S. Virgin Islands on October 17, 2026 at 04:11 UTC had a depth of 26.0 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: pr71536988). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2026, October 17, 2026). M3.1 Earthquake 74 km N of Charlotte Amalie, U.S. Virgin Islands — October 17, 2026. Retrieved October 17, 2026 from https://www.earthquaketracker.org/earthquakes/event/pr71536988/