USGS records a magnitude 4.5 earthquake near 223 km SE of Katsuura, Japan. Event time: 2026-10-31T00:32:46.687Z. USGS may revise preliminary measurements.
- Reported magnitude: 4.5
- Location reported by USGS: 223 km SE of Katsuura, Japan
- Recorded event time (UTC): 2026-10-31 00:32:46.687Z
- Reported depth: 10.0 kilometers