From: mailto: == PRELIMINARY REPORT ==

Event type: Earthquake Region: east of the Kuril Islands Geographic coordinates: 43 430N, 148 041E Magnitude: 5 1 Depth: 10 km Universal Time (UTC): 21 Dec 2025 04:03:39 Time near the Epicenter (1): 21 Dec 2025 15:03:39 Time in your area (1): 21 Dec 2025 14:03:39

Location with respect to nearby cities: 114 1 km (70 7 mi) ESE of Shikotan, Russia 200 1 km (124 1 mi) E of Nemuro, Japan 236 4 km (146 6 mi) E of Shibetsu, Japan 248 6 km (154 1 mi) E of Nakashibetsu, Japan 544 7 km (337 7 mi) E of Sapporo, Japan

ADDITIONAL PARAMETERS

event ID : us 6000rwa4

This event has been reviewed by a seismologist

(1) Nominal Standard Time; local and daylight savings time zone may differ For subsequent updates, maps, and technical information, see: https://earthquake usgs gov/earthquakes/eventpage/us6000rwa4?utm_medium=email&utm_source=ENS&utm_campaign=realtime or https://earthquake usgs gov/

National Earthquake Information Center U S Geological Survey

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