Kronotsky volcano looking northeast, from the outer slopes of Krasheninnikov pre-caldera edifice. A huge edifice of the volcano is dissected by deep gullies (barrancos). Most of the volcano was formed in Late Pleistocene. However, there are several Holocene cinder cones on its slopes and the last weak phreatic eruption was reported to have occurred in 1922-23, with still later fumarolic activity.
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