SummaryMapsTestimonies Medias Scientific data
Magnitude3.4
RegionNEAR WEST COAST OF HONSHU, JAPAN
Date time2026-08-13 20:31:30.0 UTC
Location37.700 ; 137.300
Depth10 km
Distance103 km WNW of Jōetsu, Japan / pop: 204,000 / local time: 05:31:30.0 2026-08-14
63 km NNE of Anamizu, Japan / pop: 17,800 / local time: 05:31:30.0 2026-08-14
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:
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)