M5.2 Earthquake 39 km ENE of Codrington, Antigua and Barbuda — April 16, 2023
2023-04-16 09:49:50 UTC (2023-04-16) · approx. 5:49 AM UTC-4 local
Felt by 28 people across nearby locations.
On April 16, 2023 at 09:49 UTC, a magnitude 5.2 shallow crustal earthquake struck 39 km ENE of Codrington, Antigua and Barbuda, at a depth of 25.5 km and coordinates 17.8047°, -61.4915°. This earthquake was detected by 110 seismic stations with excellent location accuracy and was assigned a USGS significance rating of 425, placing it among routine seismic activity.
Physical scale: An earthquake of magnitude 5.2 releases seismic energy equivalent to roughly 951 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 2.3 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 28 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
-61.4915°E
Technical Information
Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 5.2 earthquake near Codrington, Antigua and Barbuda?
The magnitude 5.2 earthquake that struck 39 km ENE of Codrington, Antigua and Barbuda on April 16, 2023 at 09:49 UTC had a depth of 25.5 km. For context, this was a moderate earthquake that could be widely felt.
Where did the earthquake occur?
The earthquake epicenter was located at 17.8047°, -61.4915°, which is 39 km ENE of Codrington, Antigua and Barbuda.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 5.2 earthquakes can continue for days to weeks and gradually diminish over time.
Actions
Authoritative source: USGS event page (event ID: us6000k4vb). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2023, April 16, 2023). M5.2 Earthquake 39 km ENE of Codrington, Antigua and Barbuda — April 16, 2023. Retrieved July 3, 2023 from https://www.earthquaketracker.org/earthquakes/event/us6000k4vb/