Ib volcanic eruption yog thaum lava thiab roj tawm ntawm lub roob hluav taws-qee zaum tawg. … Hom eruption uas txaus ntshai tshaj plaws yog hu ua 'glowing avalanche' uas yog thaum tshiab magma ntws los rau sab ntawm lub roob hluav taws.
volcanic eruption yog dab tsi thiab nws ua li cas?
Volcanoes erupt thaum molten pob zeb hu ua magma nce mus rau saum npoo. Magma yog tsim thaum lub ntiaj teb mantle melts. … Lwm txoj hauv kev uas yuav tshwm sim yog thaum cov dej hauv qab qhov chaw cuam tshuam nrog cov magma kub thiab tsim cov pa, qhov no tuaj yeem tsim kom muaj siab txaus los ua kom tawg.
volcanic eruption ntev teb yog dab tsi?
Ib lub roob hluav taws tawg tshwm sim thaum cov khoom kub ntawm lub ntiaj teb sab hauv raug pov tawm ntawm lub roob hluav taws. Lava, pob zeb, plua plav, thiab roj sib txuas yog qee qhov "ejecta". Eruptions tuaj yeem los ntawm sab ceg lossis los ntawm sab saum toj ntawm lub roob hluav taws.
Dab tsi ua rau hluav taws kub tawg?
Thaum magma txaus tsim nyob rau hauv lub magma chamber, nws yuam nws txoj kev mus rau saum npoo thiab erupts, feem ntau ua rau volcanic eruptions. … Magma los ntawm lub ntiaj teb lub tsho sab sauv nce mus sau cov kab nrib pleb. Raws li cov lava txias, nws tsim cov crust tshiab ntawm cov npoo ntawm cov kab nrib pleb.
roob hluav taws piav qhia yog dab tsi?
Ib lub roob hluav taws yog a rupture nyob rau hauv lub crust ntawm ib tug planetary-mas khoom, xws li lub ntiaj teb, uas tso cai rau cov kub lava, volcanic tshauv, thiab gases kom dim ntawm lub magma chamber. hauv qab ntawm qhov chaw. … NwsLub ntiaj teb, volcanoes feem ntau pom qhov twg daim hlau tectonic diverging los yog converging, thiab feem ntau pom nyob rau hauv dej.