A lava flow can be diverted or stopped.

During tephra fall, the size and thickness of the deposits increase with increased distance from their source.

Magma is molten rock that flows out of a volcano or volcanic vent.

Tephra, a volcanology term for ash, are small rock fragments ejected from a volcano.

Scoria is a type of extrusive volcanic rock with a high content of water and gas.

________ can lead to acid rains.

What do you call a huge portion of a volcano collapsing due to slope failure?

These are rocks that an erupting volcano may hurl into the air.

These are a rapidly flowing thick mixture of volcanic sediments ( from pyroclastic - materials ) and water, usually triggered by intense rainfall during typhoons, monsoon, and thunderstorms.

A type of tephra; a form defined as a thin strand of volcanic glass.