The eruption of Vesuvius of 79 AD and its impact on human environment in Pompeii

(整期优先)网络出版时间:2003-03-13
/ 1
TheeruptionofVesuviusof79ADcausedextensivedestructionsallovertheCampanianarea,engulfingthecitiesofPompeii,Herculaneum,OplontiandStabiae.Theeruptionfollowedalongquiescenceperiodandtheinhabitantsoftheareaweresurprisedbythevolcanicevents.Thefirstpartoftheeruptionwascharacterizedbyawidespreaddispersalofpumicesfromahigherup-tivecolumn.Thesecondpartoftheeruption,character-izedbypyroclasticflowsemplacement,causedthemajordamageswithextensivelifelossesinmostofthetownssurroundingthevolcano.InPompeii,themajorcasual-tiesduringthefirstphaseresultedfromroofcollapses;duringthesecondphase,peoplewerekilledeitherbyphysicaltraumaduetothekineticenergyofthefloworbysuffucationbecauseoftheash-richatmosphere.