M4.6 Earthquake 32 km SSE of Falmouth, Antigua and Barbuda — May 8, 2024
2024-05-08 14:43:57 UTC (2024-05-08) · approx. 10:43 AM UTC-4 local
Felt by 43 people across nearby locations.
On May 8, 2024 at 14:43 UTC, a magnitude 4.6 shallow crustal earthquake struck 32 km SSE of Falmouth, Antigua and Barbuda, at a depth of 24.4 km and coordinates 16.7740°, -61.6306°. This earthquake was detected by 105 seismic stations with excellent location accuracy and was assigned a USGS significance rating of 345, placing it among routine seismic activity.
Physical scale: An earthquake of magnitude 4.6 releases seismic energy equivalent to roughly 120 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 899 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 43 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
-61.6306°E
Technical Information
Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 4.6 earthquake near Falmouth, Antigua and Barbuda?
The magnitude 4.6 earthquake that struck 32 km SSE of Falmouth, Antigua and Barbuda on May 8, 2024 at 14:43 UTC had a depth of 24.4 km. For context, this was a light earthquake commonly felt near the epicenter.
Where did the earthquake occur?
The earthquake epicenter was located at 16.7740°, -61.6306°, which is 32 km SSE of Falmouth, Antigua and Barbuda.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 4.6 earthquakes can continue for several days and gradually diminish over time.
Actions
Authoritative source: USGS event page (event ID: us6000mx8v). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2024, May 8, 2024). M4.6 Earthquake 32 km SSE of Falmouth, Antigua and Barbuda — May 8, 2024. Retrieved July 20, 2024 from https://www.earthquaketracker.org/earthquakes/event/us6000mx8v/