Front

What is an Earthquake?

Back

A sudden release of energy under Earth's surface that makes the ground shake and crack.

Front

What causes a Tsunami?

Back

Tsunamis are caused by underwater earthquakes or underwater volcanic eruptions.

Front

Can earthquakes happen on land?

Back

True

Front

Can earthquakes happen on the ocean floor?

Back

True

Front

What are Tsunamis?

Back

Enormous waves caused by vibrations from an earthquake occurring on the ocean floor.

Front

What happens when tectonic plates move against each other?

Back

It can cause an earthquake.

Front

What is the epicenter of an earthquake?

Back

The point on the Earth's surface directly above where the earthquake originates.

Front

What is the focus of an earthquake?

Back

The point inside the Earth where the earthquake starts.

Front

What is a tectonic plate?

Back

Large pieces of Earth's crust that move and interact with each other.

Front

What is seismic activity?

Back

The frequency and intensity of earthquakes in a certain area.