Volcanism is best defined as:

Processes by which magma, gases and fragmented rock rise from the earth's interior and erupt on the surface or intrude into the crust

Sudden shaking of the ground along a fault

Downslope movement of soil under gravity

Breakdown of rock by weathering at the surface

2081 Baisakh (new course) · 1 mark

Define volcanism

Short answer

Volcanism is the process where magma, gases, and fragmented rock rise from Earth's interior, erupting onto the surface through vents or fissures, or intruding into the crust.

Define volcanism.

Volcanism (vulcanicity) is the set of processes by which magma, gases and fragmented rock rise from the earth's interior and are erupted on the surface through a vent or fissure, or are intruded into the crust.

✓ Answer checked by Claude Opus 5.5 (high effort)

All Engineering Geology I chapter 6 questions →