Heat Cloud Of Merapi, Go Far Away
During active priod, Merapi show fall out lava dome evryday.The more active the volcano the more lava dome fallout will be.Large volume of fallout lava dome can create what usually local people call as"wedus Gembel". Scintific term of Wedus Gembel is pyroclatic flow, while general term is Heat Cloud. Heat Cloud cosnsits of ash,dust, gas and slab of volcanic rock with diameter 3 to 5 m. These volcanic material flow down together through the mountain slope with speeds 50 to 100 km/hour wth temperatur 300 to 500 c. There are actually two kind of Heat Cloud:1)Eruption Heat Cloud: This kind of Heat Cloud created by eruption. The Heat Cloud sparated to any directions.2)Fall out Heat Cloud: This kind of Heat Cloud created by the avalanche of lava dome on peak as the lava on peak or steep slope is unstable.The lava flow through river valley .Fall out Heat Cloud usually flows on southern and or...




