| Magnitude | 4.0 |
| Region | NEAR S. COAST OF HONSHU, JAPAN |
| Date time | 2026-10-21 01:04:29.1 UTC |
| Location | 35.725 ; 139.984 |
| Depth | 90 km |
| Distance | 18 km NW of Chiba, Japan / pop: 919,000 / local time: 10:04:29.1 2026-10-21 3 km NNW of Honchō, Japan / pop: 560,000 / local time: 10:04:29.1 2026-10-21 |
Source parameters provided by:
National Earthquake Information Center, U.S. Geological Survey -- Golden, United States (NEIC)
All data providers for this event:
Japan Meteorological Agency Seismic Network -- Tokyo, Japan (JMA)National Earthquake Information Center, U.S. Geological Survey -- Golden, United States (NEIC)
Further information can be found at:
Japan Meteorological Agency Seismic Network -- Tokyo, Japan (JMA)GeoForschungsZentrum (GFZ) -- Potsdam, Germany (GFZ)
National Earthquake Information Center, U.S. Geological Survey -- Golden, United States (NEIC)