M3.8 Earthquake 180 km NNW of The Valley, Anguilla — September 20, 2026
2026-09-20 15:36:28 UTC (1 hour ago) · approx. 11:36 AM UTC-4 local
On September 20, 2026 at 15:36 UTC, a magnitude 3.8 shallow crustal earthquake struck 180 km NNW of The Valley, Anguilla, at a depth of 38.0 km and coordinates 19.7456°, -63.6425°.
Physical scale: An earthquake of magnitude 3.8 releases seismic energy equivalent to roughly 7.6 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 252 m — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
-63.6425°E
Technical Information
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Common Questions
How strong was the magnitude 3.8 earthquake near The Valley, Anguilla?
The magnitude 3.8 earthquake that struck 180 km NNW of The Valley, Anguilla on September 20, 2026 at 15:36 UTC had a depth of 38.0 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 3.8 earthquakes can continue for several days and gradually diminish over time.
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Understanding This Data
Magnitude 3.8 earthquakes are typically only recorded by instruments.
Authoritative source: USGS event page (event ID: pr2026263000). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2026, September 20, 2026). M3.8 Earthquake 180 km NNW of The Valley, Anguilla — September 20, 2026. Retrieved September 20, 2026 from https://www.earthquaketracker.org/earthquakes/event/pr2026263000/