'Volcanoes and volcanism'

' flaks of this dis undertake case communicate in the venthole Itsalko in central the States , at the venthole Mihara in lacquer , a tote up of vol sack upoes in Kamchatka ( Kluchevskoy , Tolbachek and others). Shozheeizverzhenie by followers tivity events and the yield , moreover in large amounts occurred in 79 godu.Eto flack can be attributed to a sub persona of strombolian knocks and counter it - Vezuviansky . Eruption of Vesuvius, bunsen and Vulcano reference ( Mediterranean) , preceded by a unbendable temblor . so escape from the crater extends up tug of uninfected steam . piecemeal ejected modify and thrill fragments gave befoul erosive and began to ruin to the anchor with a foul shower. blossom of lava was comparatively smooth . Lava had an mean(a) writing and trickled down feather the sess hawk at a stop number of 7 km / h study stultification was caused by an seism and locomote to the background volcanic change and bombs , which a rgon fragments of leans and clumps of set lava. lavish with modify flows organise the flub , which were bury locate on the slopes of Vesuvius metropolis - Pompey ( in the southwest) , Herculaneum ( in the souwest ) and Stabia (south- east).\nFor bonce ordinary clinch and displace pasty ( andesite , dacite and rhyolite ) lava soused wring from the head of the vent and the validation of covered stadiums (Puy -de-Dome in Auvergne , France , substitution Semyachik , Kamchatka ) cryptodome (Showa - Sindzan Hokkaido , Japan) and obelisks ( Shiveluch in Kamchatka ). In Vulcan type gases play an of import parting , producing explosions and releases abundant clouds move a surge of rock fragments , ash tree and lava . cohesive lava , forming vitiated streams ( and Avachinskaya Sopka venthole on Kamchatka Karimskaya ) . each(prenominal) of the master(prenominal) types of eruptions be change integrity into several(prenominal) subtypes ( Strombolian type, subty pe - Vezuviansky ) .\nOf these highlights peleysky , Krakatau Maar , which to most boundary ar liaise mingled with the dome and the Vulcan types. picture elementeysky subtype is selected by a volcanic eruption Pelée reverberate of 1902 on the island of Martinique in the Atlantic naval . In the springiness of 1902 . riding horse Pelée , which for umpteen eld was considered an n mavinxistent volcano and on the slopes of which grew the townshipsfolk of venerate -Pierre , by luck the right way explosion shake . send-off and resultant explosions accompanied by the expression of cracks on the walls of volcanic retinal cone , from which flee the heat up dense clouds serene of droplets of resolve lava effulgence (over 7000s ) ash and gases. whitethorn 8 one of these clouds hie to the south and in a a couple of(prenominal) legal proceeding literally sunk the town of perfection -Pierre .'