| Magnitude | 4.9 |
| Region | EASTERN HONSHU, JAPAN |
| Date time | 2026-04-18 04:20:05.3 UTC |
| Location | 36.548 ; 137.849 |
| Depth | 10 km |
| Distance | 32 km WSW of Nagano, Japan / pop: 360,000 / local time: 13:20:05.3 2026-04-18 6 km NNW of Ōmachi, Japan / pop: 30,500 / local time: 13:20:05.3 2026-04-18 |
Source parameters provided by:
National Earthquake Information Center, U.S. Geological Survey -- Golden, United States (NEIC)
All data providers for this event:
Seismological Survey of Serbia -- Belgrade, Serbia (BEO)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)
EMSC -- Arpajon, France (SC4)
Further information can be found at:
GeoForschungsZentrum (GFZ) -- Potsdam, Germany (GFZ)National Earthquake Information Center, U.S. Geological Survey -- Golden, United States (NEIC)
Japan Meteorological Agency Seismic Network -- Tokyo, Japan (JMA)