Hazards Volcanos Flashcards
1
Q
VEI
A
Volcano Explosivity Index: Relative measure of the explosiveness of volcano eruptions
2
Q
Silica Content
A
A higher silica content is attributed to a more explosive volcano.
Due to the Lava being thicker.
3
Q
Lahar
A
A volcanic mudflow.
Occurs when water mixes with loose pyroclastic material.
Dense and Viscous, but flow very fast. 75mph.