2025-10-01 17:06:08 (M4.9) Reykjanes Ridge 58.9 -31.5 (90be5)

M4.9 Earthquake - Reykjanes Ridge

Preliminary Report

Magnitude	4.9
Date-Time	Universal Time (UTC): 1 Oct 2025 17:06:09 Time near the Epicenter (1): 1 Oct 2025 15:06:09 Time in your area (1): 1 Oct 2025 09:06:09
Location	58.858N 31.473W
Depth	10 km
Distances	734.7 km (455.5 mi) SW of Grindavík, Iceland 743.2 km (460.8 mi) SW of Reykjanesbær, Iceland 743.7 km (461.1 mi) SW of Keflavík, Iceland 770.1 km (477.5 mi) SW of Hafnarfjörður, Iceland 772.3 km (478.8 mi) SW of Garðabær, Iceland
Location Uncertainty	Horizontal: 10.1 km; Vertical 1.9 km
Parameters	Nph = 55; Dmin = 846.0 km; Rmss = 0.82 seconds; Gp = 133° Version =
Event ID	us 6000re28

(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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