Geology - Earthquakes Review

Front

What is a seismogram?

Back

The instrument used to measure an earthquake.

Front

What does a travel-time graph help you find?

Back

Distance to epicenter.

Front

Which surface wave is characterized by horizontal motion?

Back

Love Wave.

Front

What is the difference between a seismograph and a seismogram?

Back

A seismograph is the machine, and a seismogram is produced by the machine.

Front

What is the name of the place on the surface of Earth where the earthquake begins?

Back

Epicenter.

Front

What is the focus of an earthquake?

Back

The point within the Earth where the earthquake originates.

Front

What are P-Waves?

Back

Primary waves that are the first to arrive during an earthquake, traveling through solids and liquids.

Front

What are S-Waves?

Back

Secondary waves that arrive after P-Waves and can only travel through solids.

Front

What is a fault?

Back

A fracture in the Earth's crust along which movement has occurred.

Front

What is the Richter scale?

Back

A scale used to measure the magnitude of an earthquake.