2026-07-08 20:07:31 (M3.7) Puerto Rico region 18.0 -66.8 (90be5)

M3.7 Earthquake - Puerto Rico region

Preliminary Report

Magnitude	3.7
Date-Time	Universal Time (UTC): 8 Jul 2026 20:07:31 Time near the Epicenter (1): 8 Jul 2026 16:07:31 Time in your area (1): 8 Jul 2026 12:07:31
Location	17.959N 66.801W
Depth	10 km
Distances	4.4 km (2.7 mi) SSE of Indios, Puerto Rico 6.8 km (4.2 mi) S of Guayanilla, Puerto Rico 9.9 km (6.1 mi) SSE of Yauco, Puerto Rico 19.6 km (12.1 mi) WSW of Ponce, Puerto Rico 29.2 km (18.1 mi) ESE of San Germán, Puerto Rico
Location Uncertainty	Horizontal: 1.1 km; Vertical 1.9 km
Parameters	Nph = 26; Dmin = 25.8 km; Rmss = 0.55 seconds; Gp = 176° Version =
Event ID	us 7000sz2q

(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
National Earthquake Information Center
U.S. Geological Survey


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