M3.1 Earthquake 70 km NNW of Charlotte Amalie, U.S. Virgin Islands — June 20, 2026
2026-06-20 14:58:57 UTC (1 hour ago) · approx. 10:58 AM UTC-4 local
On June 20, 2026 at 14:58 UTC, a magnitude 3.1 shallow crustal earthquake struck 70 km NNW of Charlotte Amalie, U.S. Virgin Islands, at a depth of 19.9 km and coordinates 18.9520°, -65.1330°.
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
-65.1330°E
Technical Information
Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 3.1 earthquake near Charlotte Amalie, U.S. Virgin Islands?
The magnitude 3.1 earthquake that struck 70 km NNW of Charlotte Amalie, U.S. Virgin Islands on June 20, 2026 at 14:58 UTC had a depth of 19.9 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.
What should I do after an earthquake?
If you were in the affected area: check yourself and others for injuries, inspect your home for damage, and be prepared for aftershocks. For detailed guidance, see our earthquake safety guide and emergency planning resources.
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Understanding This Data
Magnitude 3.1 earthquakes are typically only recorded by instruments.
Authoritative source: USGS event page (event ID: pr71520723). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2026, June 20, 2026). M3.1 Earthquake 70 km NNW of Charlotte Amalie, U.S. Virgin Islands — June 20, 2026. Retrieved June 20, 2026 from https://www.earthquaketracker.org/earthquakes/event/pr71520723/