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Magnitude4.1
RegionEASTERN HONSHU, JAPAN
Date time2026-04-22 17:42:30.0 UTC
Location36.600 ; 137.900
Depth10 km
Distance26 km WSW of Nagano, Japan / pop: 360,000 / local time: 02:42:30.0 2026-04-23
12 km N of Ōmachi, Japan / pop: 30,500 / local time: 02:42:30.0 2026-04-23
Source parameters provided by:

Japan Meteorological Agency Seismic Network -- Tokyo, Japan (JMA)
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All data providers for this event:
Japan Meteorological Agency Seismic Network -- Tokyo, Japan (JMA)
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)