SummaryMapsTestimonies Medias Scientific data
Magnitude4.1
RegionNEAR EAST COAST OF HONSHU, JAPAN
Date time2026-04-21 04:50:30.0 UTC
Location37.200 ; 141.400
Depth50 km
Distance49 km ENE of Iwaki, Japan / pop: 357,000 / local time: 13:50:30.0 2026-04-21
37 km ESE of Tomioka, Japan / pop: 1,400 / local time: 13:50:30.0 2026-04-21
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:
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)