| Magnitude | 4.9 |
| Region | NEAR EAST COAST OF HONSHU, JAPAN |
| Date time | 2025-12-12 10:05:20.1 UTC |
| Location | 36.152 ; 140.061 |
| Depth | 63 km |
| Distance | 33 km N of Kashiwa, Japan / pop: 340,000 / local time: 19:05:20.1 2025-12-12 6 km SSW of Tsukuba, Japan / pop: 175,000 / local time: 19:05:20.1 2025-12-12 |
Source parameters reviewed by a seismologist
All data providers for this event:
HUN-REN EPSS Kövesligethy Radó Seismological Observato -- Budapest, Hungary (BUD)EMSC - CSLOC -- Arpajon, France (CSLC)
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)
Malaysian Meteorological Department -- Kuala Lumpur, Malaysia (MET)
National Earthquake Information Center, U.S. Geological Survey -- Golden, United States (NEIC)
Republican Seismic Survey Center or Azerbaijan National Academy of Sciences -- Baku, Azerbaijan (RSSC)
EMSC -- Arpajon, France (SC4)
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)