Kakogawa RiverKakogawa RiverLiquefaction risk level:Based on the Nankai Trough Mega Earthquake and Tsunami Damage Assumption published by Hyogo Prefecture in June 2014.Source: Institute of Scientific Approaches for Fire & DisasterThe 2011 Tohoku Earthquake: Manholes and other structures lifted up by liquefactionJR Kakogawa JR Kakogawa LineLineIwaogawa RiverIwaogawa RiverOgawa RiverOgawa RiverKusatanigawa RiverKusatanigawa RiverKumorigawa RiverKumorigawa River01National Route National Route 2502502kmEEaarrtthhqquuaakkeessHimeji CityHimeji CityTakasago CityTakasago CityZennengawa RiverZennengawa RiverJR Sanyo Main Line JR Sanyo Main Line (JR Kobe Line)(JR Kobe Line)JR Sanyo Shinkansen LineJR Sanyo Shinkansen LineSanyo Electric RailwaySanyo Electric RailwayNishikawa RiverNishikawa RiverHokkesantanigawa RiverHokkesantanigawa RiverTomarigawa RiverTomarigawa RiverKasai CityKasai CityHarima-choHarima-choGongengawa RiverGongengawa RiverShiragaikegawa RiverShiragaikegawa RiverCity OfficeCity OfficeKakogawa By-pass Kakogawa By-pass (National Route 2)(National Route 2)Befugawa RiverBefugawa RiverNational Route 2National Route 2Mizutagawa RiverMizutagawa RiverKisegawa RiverKisegawa RiverOno CityOno CitySanyo ExpresswaySanyo ExpresswayInami-choInami-choNorthLiquefaction RiskAkashi CityAkashi CityMiki Miki CityCity65Liquefaction due to an Earthquake in the Nankai TroughLegendWhat is a liquefaction hazard map?A liquefaction hazard map indicates the degree of liquefaction caused by earthquakes that are expected to occur in Kakogawa city. These maps are based on the results of the Hyogo Prefecture's earthquake damage estimates.Liquefaction is a phenomenon in which sandy soil in areas with high groundwater tables liquefies due to shaking from earthquakes. As the ground liquefies, buildings built on these areas can collapse, roads can cave in, and sewer manholes may lift up. Liquefaction occurred in many places during the 2011 Tohoku Earthquake due to the long duration of the seismic motion compared to previous, shorter earthquakes.It's a good idea to imagine how much damage may result from liquefaction to help you consider what you would do in response and how you can prepare on a daily basis.Liquefaction Hazard MapLiquefaction Hazard Map
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