2026-09-20 23:25:37 UPDATED: (M4.6) Kuril Islands 43.6 146.6 (70fa9)

M4.6 Earthquake - Kuril Islands

Preliminary Report

Magnitude	4.6
Date-Time	Universal Time (UTC): 20 Sep 2026 23:25:37 Time near the Epicenter (1): 21 Sep 2026 09:25:37 Time in your area (1): 21 Sep 2026 04:55:37
Location	43.601N 146.576E
Depth	57 km
Distances	25.0 km (15.5 mi) SSW of Shikotan, Russia 86.6 km (53.7 mi) ENE of Nemuro, Japan 116.7 km (72.3 mi) E of Shibetsu, Japan 129.7 km (80.4 mi) E of Nakashibetsu, Japan 427.8 km (265.3 mi) E of Sapporo, Japan
Location Uncertainty	Horizontal: 10.4 km; Vertical 6.0 km
Parameters	Nph = 85; Dmin = 325.5 km; Rmss = 0.66 seconds; Gp = 108° Version =
Event ID	us 7000tiu3 ***This event has been revised.

(1) Nominal Standard Time; local and daylight savings time zone may differ.
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see: Event Page or USGS Earthquake Hazards Program
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U.S. Geological Survey


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