| Magnitude | 5.5 |
| Region | EASTERN HONSHU, JAPAN |
| Date time | 2026-06-16 10:46:33.2 UTC |
| Location | 36.071 ; 139.830 |
| Depth | 51 km |
| Distance | 20 km N of Koshigaya, Japan / pop: 317,000 / local time: 19:46:33.2 2026-06-16 12 km NNE of Kasukabe, Japan / pop: 206,000 / local time: 19:46:33.2 2026-06-16 |
Source parameters reviewed by a seismologist
All data providers for this event:
Geoscience Australia, Canberra, ACT, Australia -- Canberra, Australia (AUST)Seismological Survey of Serbia -- Belgrade, Serbia (BEO)
British Geological Survey -- Edinburgh, United Kingdom (BGS)
National Institute for Earth Physics -- Bucharest, Romania (NIEP)
HUN-REN EPSS Kövesligethy Radó Seismological Observato -- Budapest, Hungary (BUD)
French Polynesian Tsunami Warning Center - CEA -- Papeete, Polynesie Francaise - Tahiti (CPPT)
EMSC - CSLOC -- Arpajon, France (CSLC)
GeoForschungsZentrum (GFZ) -- Potsdam, Germany (GFZ)
Geophysical Survey of the Russian Academy of Sciences -- Obninsk, Russia (GSRAS)
Instituto Portugues do Mar e da Atmosfera -- Lisbon, Portugal (IPMA)
Japan Meteorological Agency Seismic Network -- Tokyo, Japan (JMA)
Kandilli Observatory and Earthquake Research Institute -- Istanbul, Türkiye (KOERI)
Landsamt fur Geologie, Rohstoffe und Bergbau -- Freiburg, Germany (LED)
Carpathian Seismological Department, Ukraine Academy of Science -- Lviv, Ukraine (LVV)
Instituto Geografico Nacional -- Madrid, Spain (IGN)
Ukrainian NDC, Main Center of Special Monitoring -- Kyiv, Ukraine (MCSM)
National Earthquake Information Center, U.S. Geological Survey -- Golden, United States (NEIC)
The research institute NORSAR -- Kjeller, Norway (NORSAR)
Geoazur (Universite Cote d'Azur, IRD, CNRS, Observatoire de la Cote d'Azur) -- Nice, France (OCA)
EMSC -- Arpajon, France (SC4)
Seismological and Volcanological Observatory Center -- Dhamar, Yemen (YSVOC)
Institute of Geosciences, Polytechnic University of Tirana -- Tirana, Albania (IGEO)
Further information can be found at:
National Earthquake Information Center, U.S. Geological Survey -- Golden, United States (NEIC)Japan Meteorological Agency Seismic Network -- Tokyo, Japan (JMA)
GeoForschungsZentrum (GFZ) -- Potsdam, Germany (GFZ)