M3.1 Earthquake 40 km NNW of Charlotte Amalie, U.S. Virgin Islands — August 16, 2022
2022-08-16 20:33:16 UTC (2022-08-16) · approx. 4:33 PM UTC-4 local
On August 16, 2022 at 20:33 UTC, a magnitude 3.1 shallow crustal earthquake struck 40 km NNW of Charlotte Amalie, U.S. Virgin Islands, at a depth of 66.3 km and coordinates 18.6965°, -65.0173°.
Physical scale: An earthquake of magnitude 3.1 releases seismic energy equivalent to roughly 697 kg of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 84 m — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
-65.0173°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 40 km NNW of Charlotte Amalie, U.S. Virgin Islands on August 16, 2022 at 20:33 UTC had a depth of 66.3 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: pr71366423). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2022, August 16, 2022). M3.1 Earthquake 40 km NNW of Charlotte Amalie, U.S. Virgin Islands — August 16, 2022. Retrieved August 16, 2022 from https://www.earthquaketracker.org/earthquakes/event/pr71366423/