M4.4 Earthquake 27 km W of Codrington, Antigua and Barbuda — April 18, 2025
2025-04-18 17:31:23 UTC (2025-04-18) · approx. 1:31 PM UTC-4 local
Felt by 23 people across nearby locations.
On April 18, 2025 at 17:31 UTC, a magnitude 4.4 shallow crustal earthquake struck 27 km W of Codrington, Antigua and Barbuda, at a depth of 57.8 km and coordinates 17.6017°, -62.0773°. This earthquake was detected by 120 seismic stations with excellent location accuracy and was assigned a USGS significance rating of 308, placing it among routine seismic activity.
Physical scale: An earthquake of magnitude 4.4 releases seismic energy equivalent to roughly 60 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 655 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 23 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
-62.0773°E
Technical Information
Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 4.4 earthquake near Codrington, Antigua and Barbuda?
The magnitude 4.4 earthquake that struck 27 km W of Codrington, Antigua and Barbuda on April 18, 2025 at 17:31 UTC had a depth of 57.8 km. For context, this was a light earthquake commonly felt near the epicenter.
Where did the earthquake occur?
The earthquake epicenter was located at 17.6017°, -62.0773°, which is 27 km W of Codrington, Antigua and Barbuda.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 4.4 earthquakes can continue for several days and gradually diminish over time.
Actions
Authoritative source: USGS event page (event ID: us6000q727). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2025, April 18, 2025). M4.4 Earthquake 27 km W of Codrington, Antigua and Barbuda — April 18, 2025. Retrieved June 27, 2025 from https://www.earthquaketracker.org/earthquakes/event/us6000q727/