Earthquakes and Volcanoes

Front

At what type(s) of plate boundaries do most volcanoes form?

Back

Most volcanoes form at convergent and divergent plate boundaries.

Front

What is the fastest type of seismic wave?

Back

The fastest type of seismic wave is the p-wave.

Front

What is a large ocean wave that results from an underwater earthquake, landslide, or volcanic eruption?

Back

A large ocean wave resulting from these events is called a tsunami.

Front

What term describes the size of an earthquake?

Back

The size of an earthquake is described by its magnitude.

Front

What is the focus of an earthquake?

Back

The focus of an earthquake is the point below Earth's surface where rock first breaks.

Front

What is a tectonic plate?

Back

A tectonic plate is a massive slab of Earth's lithosphere that moves and interacts with other plates.

Front

What is the difference between the epicenter and the focus of an earthquake?

Back

The epicenter is the point on the Earth's surface directly above the focus, where the earthquake originates.

Front

What are aftershocks?

Back

Aftershocks are smaller earthquakes that occur in the same area after a larger earthquake.

Front

What is liquefaction?

Back

Liquefaction is a phenomenon where saturated soil loses strength and stiffness during an earthquake.

Front

What is a volcanic eruption?

Back

A volcanic eruption is the release of magma, gas, and ash from a volcano.