| Magnitude | 4.2 |
| Region | HOKKAIDO, JAPAN REGION |
| Date time | 2025-12-20 21:30:30.0 UTC |
| Location | 41.100 ; 139.000 |
| Depth | 10 km |
| Distance | 136 km WNW of Hirosaki, Japan / pop: 174,000 / local time: 06:30:30.0 2025-12-21 94 km WNW of Fukaura, Japan / pop: 7,900 / local time: 06:30:30.0 2025-12-21 |
Source parameters provided by:
Japan Meteorological Agency Seismic Network -- Tokyo, Japan (JMA)
All data providers for this event:
Japan Meteorological Agency Seismic Network -- Tokyo, Japan (JMA)Further information can be found at:
GeoForschungsZentrum (GFZ) -- Potsdam, Germany (GFZ)Japan Meteorological Agency Seismic Network -- Tokyo, Japan (JMA)
National Earthquake Information Center, U.S. Geological Survey -- Golden, United States (NEIC)