M4.1 Earthquake 49 km N of Charlotte Amalie, U.S. Virgin Islands — August 1, 2026
2026-08-01 20:00:41 UTC (2026-08-01) · approx. 4:00 PM UTC-4 local
Felt by 10 people across nearby locations.
On August 1, 2026 at 20:00 UTC, a magnitude 4.1 shallow crustal earthquake struck 49 km N of Charlotte Amalie, U.S. Virgin Islands, at a depth of 19.0 km and coordinates 18.7861°, -64.9225°. This earthquake was detected by 28 seismic stations with moderate location accuracy and was assigned a USGS significance rating of 258, placing it among routine seismic activity.
Physical scale: An earthquake of magnitude 4.1 releases seismic energy equivalent to roughly 19 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 388 m — 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 10 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
-64.9225°E
Technical Information
Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 4.1 earthquake near Charlotte Amalie, U.S. Virgin Islands?
The magnitude 4.1 earthquake that struck 49 km N of Charlotte Amalie, U.S. Virgin Islands on August 1, 2026 at 20:00 UTC had a depth of 19.0 km. For context, this was a light earthquake commonly felt near the epicenter.
Where did the earthquake occur?
The earthquake epicenter was located at 18.7861°, -64.9225°, which is 49 km N of Charlotte Amalie, U.S. Virgin Islands.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 4.1 earthquakes can continue for several days and gradually diminish over time.
Actions
Authoritative source: USGS event page (event ID: pr2026213000). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2026, August 1, 2026). M4.1 Earthquake 49 km N of Charlotte Amalie, U.S. Virgin Islands — August 1, 2026. Retrieved August 15, 2026 from https://www.earthquaketracker.org/earthquakes/event/pr2026213000/