Earthquakes and Volcanoes

Front

What are volcanoes?

Back

Volcanoes are openings in the Earth's surface where molten rock, ash, and gases can escape from below the surface. They can be found on land, under water, and on islands.

Front

What causes earthquakes?

Back

Earthquakes are caused by pressure built up around a fault line, which causes rock to break apart.

Front

What is an aftershock?

Back

An aftershock is a smaller earthquake that occurs in the same area after a larger earthquake has taken place.

Front

Where are earthquakes and volcanoes most likely found?

Back

Earthquakes and volcanoes are most likely found at plate boundaries.

Front

What is the location of Mt. St Helens?

Back

Mt. St Helens is located in Washington state.

Front

What is a fault line?

Back

A fault line is a fracture or zone of fractures between two blocks of rock, where earthquakes can occur.

Front

What is the Ring of Fire?

Back

The Ring of Fire is a major area in the Pacific Ocean where a large number of earthquakes and volcanic eruptions occur, primarily due to tectonic plate movements.

Front

What is magma?

Back

Magma is molten rock located beneath the Earth's surface. When it erupts through a volcano, it is called lava.

Front

What is a tsunami?

Back

A tsunami is a series of ocean waves caused by large underwater disturbances, such as earthquakes or volcanic eruptions.

Front

What is liquefaction?

Back

Liquefaction is a phenomenon where saturated soil loses its strength and stiffness in response to an applied stress, often during an earthquake.