_________ eruptions are common first phases in the eruptions of volcanoes as they "clear their throats" before emitting larger eruptions.

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Vulcanian-type eruptions are characterized by the initial explosive phase which is caused by the build-up of pressure within the volcano's magma chamber. These eruptions typically produce ash clouds, pyroclastic flows, and sometimes lava flows. They are often the initial phase before larger, more catastrophic eruptions.

_________ Eruptions Are Common First Phases in the Eruptions of Volcanoes