2026-03-31 07:39:33 UPDATED: (M4.0) Leeward Islands 19.6 -63.6 (90be5)

M4.0 Earthquake - Leeward Islands

Preliminary Report

Magnitude	4.0
Date-Time	Universal Time (UTC): 31 Mar 2026 07:39:33 Time near the Epicenter (1): 31 Mar 2026 03:39:33 Time in your area (1): 30 Mar 2026 23:39:33
Location	19.591N 63.635W
Depth	24 km
Distances	163.8 km (101.6 mi) NNW of The Valley, Anguilla 164.2 km (101.8 mi) NNW of Sandy Ground Village, Anguilla 194.3 km (120.5 mi) NE of Charlotte Amalie, U.S. Virgin Islands 237.3 km (147.2 mi) NNE of Saint Croix, U.S. Virgin Islands 254.5 km (157.8 mi) ENE of Fajardo, Puerto Rico
Location Uncertainty	Horizontal: 1.8 km; Vertical 28.9 km
Parameters	Nph = 45; Dmin = 149.3 km; Rmss = 0.39 seconds; Gp = 304° Version =
Event ID	pr 2026090000 ***This event supersedes event US7000s91j.

(1) Nominal Standard Time; local and daylight savings time zone may differ.
For updates, maps, and technical information
see: Event Page or USGS Earthquake Hazards Program
Puerto Rico Seismic Network
University of Puerto Rico
http://redsismica.uprm.edu/

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