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A phreatic explosion is formed when water seeps into a still hot pyroclastic flow. The water rapidly turns to steam, causing a sudden release of pressure that leads to a violent explosion. This process can generate dangerous ash clouds and pyroclastic surges.

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1y ago

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What actually formed the universe?

actually it all started at a explosion called the big bang first the universe was stuck inside the explosion untill the universe began to expand inside this explosion pushing and making this explosion expand, finally when the explosion exploded the universe was formed


Can non explosive volcanoes have pyroclastic flows?

The answer is Explosive . It is explosive because during a explosive eruption there are clouds of ash, gas , and rock , and with a pyroclastic flow there is dust and ash . there for the answer must be explosive .


How does an explosive eruption products a pyroclastic flow?

During an explosive eruption, a volcano sends out superheated ash, gas, and rock. Depending on the nature of the eruption, pyroclastic flows can develop in three ways:A lateral blast directly ejects the flow, though this is a rather rare event. In another scenario, dense pyroclastic material erupts and spills out of the vent or over the crater rim. In still other cases a vertical eruption column collapses and material flows downhill.In all cases the flow involves a mass of ash, rock, and gas that is too dense to rise on its own, and instead hugs the ground.Most pyroclastic flows are produced during explosive eruptions of stratovolcanoes.


Is it possible to survive to a pyroclastic flow?

It is very unlikely. One of the few survivors of a pyroclastic flow was a man named Ludger Sylbaris. In 1902 he was sent to prison in the city of St Pierre on the French colonial island of Martinique. Not long afterward the nearby volcano Mount Pelee erupted, sending a pyroclastic flow in the the city, leaving Sylbaris as one of only two survivors in the city of over 30,000. Sylbaris was shielded from the worst effects of the flow by his jail cell, but he still suffered 3rd degree burns.


How is white formed?

a white flame is formed by cheese and pickled onions on toast. ha you still dont know the answer

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Can non explosive volcanoes have pyroclastic flows?

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