| Magnitude | 3.9 |
| Region | NEAR EAST COAST OF HONSHU, JAPAN |
| Date time | 2025-09-16 01:21:30.0 UTC |
| Location | 35.900 ; 140.800 |
| Depth | 40 km |
| Distance | 45 km ENE of Narita, Japan / pop: 100,000 / local time: 10:21:30.0 2025-09-16 16 km ESE of Kashima-shi, Japan / pop: 65,800 / local time: 10:21:30.0 2025-09-16 |
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:
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)