Very quickly. A pyroclastic flow can approach half the speed of sound. People exposed to the temperatures inside a pyroclastic flow can die almost instantly.
Pyroclastic flow.
Beware the pyroclastic flow!
Pyroclastic flow
an explosive volcano will usually have a pyroclastic flow
No. A pyroclastic flow can move at well over 100 mph.
pyroclastic flow
plinian
Pyroclastic flows occur during explosive eruptions of volcanoes.
it is normally intermediate flow because of the silica content.
it is normally intermediate flow because of the silica content.
Plinian and Pelean eruptions poth commonly produce pyroclastic flows. However, such flows can also occur with Vulcanian eruptions.