M4.9 Earthquake 96 km N of Charlotte Amalie, U.S. Virgin Islands — March 31, 2026
2026-03-31 21:15:38 UTC (2026-03-31) · approx. 5:15 PM UTC-4 local
Felt by 4 people across nearby locations.
On March 31, 2026 at 21:15 UTC, a magnitude 4.9 shallow crustal earthquake struck 96 km N of Charlotte Amalie, U.S. Virgin Islands, at a depth of 20.0 km and coordinates 19.2161°, -64.8965°. This earthquake was detected by 31 seismic stations with moderate location accuracy and was assigned a USGS significance rating of 370, placing it among routine seismic activity.
Physical scale: An earthquake of magnitude 4.9 releases seismic energy equivalent to roughly 338 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 1.4 km — a useful intuition for the size of the slip patch on the fault.
Did You Feel It? — community-reported shaking
Aggregated felt-report intensity from 4 citizen responses to the USGS Did You Feel It? system. Each colored zone represents the average MMI from reports in that area.
Source: U.S. Geological Survey Did You Feel It?. View on USGS · submit your own report
Earthquake Details
-64.8965°E
Technical Information
Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 4.9 earthquake near Charlotte Amalie, U.S. Virgin Islands?
The magnitude 4.9 earthquake that struck 96 km N of Charlotte Amalie, U.S. Virgin Islands on March 31, 2026 at 21:15 UTC had a depth of 20.0 km. For context, this was a light earthquake commonly felt near the epicenter.
Where did the earthquake occur?
The earthquake epicenter was located at 19.2161°, -64.8965°, which is 96 km N of Charlotte Amalie, U.S. Virgin Islands.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 4.9 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.
Authoritative source: USGS event page (event ID: pr2026090013). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2026, March 31, 2026). M4.9 Earthquake 96 km N of Charlotte Amalie, U.S. Virgin Islands — March 31, 2026. Retrieved May 12, 2026 from https://www.earthquaketracker.org/earthquakes/event/pr2026090013/