Chapter 9 Earthquakes and Volcanoes

Front

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

Back

Tsunami

Front

Where can volcanoes be found?

Back

Volcanoes can be found at tectonic plate boundaries, hot spots, and mid-ocean ridges.

Front

What is the process called when volcanoes form over a hot spot?

Back

The formation of volcanoes over a hot spot is known as hotspot volcanism.

Front

What is the point at which the first movement occurs during an earthquake?

Back

Focus (or Hypocenter)

Front

What is the shaking of the Earth’s crust caused by a release of energy?

Back

Earthquake

Front

What is the term for the surface location directly above the focus of an earthquake?

Back

Epicenter

Front

What are the three main types of seismic waves generated by earthquakes?

Back

P-waves (Primary waves), S-waves (Secondary waves), and surface waves.

Front

What is the difference between a volcano and a geyser?

Back

A volcano erupts molten rock, while a geyser erupts hot water and steam.

Front

What is the Ring of Fire?

Back

The Ring of Fire is a major area in the basin of the Pacific Ocean where a large number of earthquakes and volcanic eruptions occur.

Front

What is a volcanic eruption?

Back

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