HELP *20 POINTS*
8th grade science

pyroclastic flow is a fast moving current of hot gas and volcanic matter that flows along the ground away from a volcano at high velocities.

Hotspot is volcanic regions thought to be fed by underlying mantle that is anomalously hot compared with the surrounding mantle

caldera-a large volcanic crater, especially one formed by a major eruption leading to the collapse of the mouth of the volcano.

tephra-rock fragments and particles ejected by a volcanic eruption

epicenter-the central point of something, typically a difficult or unpleasant situation

fault-an extended break in a body of rock, marked by the relative displacement and discontinuity of strata on either side of a particular surface

surface waves- mechanical wave that propagates along the interface between differing media

body waves-A body wave is a seismic wave that moves through the interior of the earth, as opposed to surface waves that travel near the earth's surface. P and S waves are body waves.

sorry if this doesnt help

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