Earthquakes / Tsunamis / Natural Disasters

Front

What is an earthquake?

Back

A disturbance or shaking of Earth's surface caused by the movement of tectonic plates.

Front

Which state has a very low risk of earthquakes?

Back

Florida.

Front

What is a landslide?

Back

A movement of rock, debris, or a large mass of land down a slope.

Front

What are seismic waves?

Back

Waves that carry large amounts of energy, often generated by earthquakes.

Front

Where do most volcanoes and earthquakes occur?

Back

At plate boundaries.

Front

What is the focus of an earthquake?

Back

The point within the Earth where an earthquake originates.

Front

What is the epicenter of an earthquake?

Back

The point on the Earth's surface directly above the focus of an earthquake.

Front

What is the Richter Scale?

Back

A scale used to measure the magnitude of earthquakes.

Front

What is a tsunami?

Back

A series of large ocean waves caused by underwater disturbances, such as earthquakes.

Front

What causes tectonic plates to move?

Back

Convection currents in the Earth's mantle.