From: mailto: == PRELIMINARY REPORT ==

Event type: Earthquake Region: Ryukyu Islands, Japan Geographic coordinates: 29 428N, 130 726E Magnitude: 5 4 Depth: 25 km Universal Time (UTC): 21 Mar 2026 11:12:05 Time near the Epicenter (1): 21 Mar 2026 20:12:05 Time in your area (1): 21 Mar 2026 21:12:05

Location with respect to nearby cities: 91 3 km (56 6 mi) SSE of Koshima, Japan 147 1 km (91 2 mi) S of Nishinoomote, Japan 168 9 km (104 7 mi) NE of Naze, Japan 200 3 km (124 2 mi) S of Ibusuki, Japan 237 7 km (147 4 mi) S of Kagoshima, Japan

ADDITIONAL PARAMETERS

event ID : us 6000si57

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/us6000si57?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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