M3.6 Earthquake 54 km NE of Cruz Bay, U.S. Virgin Islands — December 6, 2020
2020-12-06 17:13:59 UTC (2020-12-06) · approx. 1:13 PM UTC-4 local
On December 6, 2020 at 17:13 UTC, a magnitude 3.6 shallow crustal earthquake struck 54 km NE of Cruz Bay, U.S. Virgin Islands, at a depth of 58.0 km and coordinates 18.7078°, -64.4583°.
Physical scale: An earthquake of magnitude 3.6 releases seismic energy equivalent to roughly 4.2 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 193 m — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
-64.4583°E
Technical Information
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Common Questions
How strong was the magnitude 3.6 earthquake near Cruz Bay, U.S. Virgin Islands?
The magnitude 3.6 earthquake that struck 54 km NE of Cruz Bay, U.S. Virgin Islands on December 6, 2020 at 17:13 UTC had a depth of 58.0 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 3.6 earthquakes can continue for several days and gradually diminish over time.
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Understanding This Data
Magnitude 3.6 earthquakes are typically only recorded by instruments.
Authoritative source: USGS event page (event ID: pr2020341004). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2020, December 6, 2020). M3.6 Earthquake 54 km NE of Cruz Bay, U.S. Virgin Islands — December 6, 2020. Retrieved February 12, 2021 from https://www.earthquaketracker.org/earthquakes/event/pr2020341004/