Earthquake and Volcano Vocab

Front

Molten rock beneath the earth's surface.

Back

Magma

Front

Large, steep-sided volcano that results from explosive eruptions of lava along convergent plate boundaries.

Back

Composite Volcano

Front

Large volcano with gentle slopes of basaltic lava; located along divergent plate boundaries and oceanic hot spots.

Back

Shield Volcano

Front

Fastest-moving type of seismic wave; causes particles in the ground to move in a push-pull motion.

Back

Primary Wave

Front

Point on Earth's surface directly above an earthquake's focus.

Back

Epicenter

Front

A break in the Earth's crust where blocks of land have moved past each other.

Back

Fault

Front

A volcanic eruption that is characterized by the flow of lava and is typically less explosive.

Back

Shield Eruption

Front

The area beneath the Earth's surface where an earthquake originates.

Back

Focus

Front

A type of seismic wave that moves through the Earth and causes particles to move perpendicular to the direction of the wave.

Back

Secondary Wave

Front

A volcanic feature formed by the accumulation of volcanic debris and ash.

Back

Cinder Cone