| Magnitude | 4.6 |
| Region | NEAR EAST COAST OF HONSHU, JAPAN |
| Date time | 2025-08-28 19:54:32.5 UTC |
| Location | 36.682 ; 141.079 |
| Depth | 90 km |
| Distance | 44 km SE of Iwaki, Japan / pop: 357,000 / local time: 04:54:32.5 2025-08-29 39 km ENE of Hitachi, Japan / pop: 186,000 / local time: 04:54:32.5 2025-08-29 |
Source parameters reviewed by a seismologist
All data providers for this event:
GeoForschungsZentrum (GFZ) -- Potsdam, Germany (GFZ)Geophysical Survey of the Russian Academy of Sciences -- Obninsk, Russia (GSRAS)
Japan Meteorological Agency Seismic Network -- Tokyo, Japan (JMA)
Ukrainian NDC, Main Center of Special Monitoring -- Kyiv, Ukraine (MCSM)
The research institute NORSAR -- Kjeller, Norway (NORSAR)
EMSC -- Arpajon, France (SC4)
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)