Earthquakes and Tsunami-Haller

Front

What is the most common cause of a tsunami?

Back

Earthquake

Front

True or False: A seismograph is used to detect and measure the movements of the earth.

Back

True

Front

What type of force is involved with a compression fault?

Back

Compression

Front

What type of fault is characterized by the hanging wall moving up relative to the footwall?

Back

Reverse fault

Front

What type of fault is characterized by the hanging wall moving down relative to the footwall?

Back

Normal fault

Front

What type of fault involves horizontal movement of rocks past each other?

Back

Strike-slip fault

Front

Forces that change rock shape or volume are called what?

Back

Stress

Front

What is the term for the point on the Earth's surface directly above the focus of an earthquake?

Back

Epicenter

Front

What instrument is used to measure the magnitude of an earthquake?

Back

Seismometer

Front

What is the scale used to measure the intensity of earthquakes?

Back

Richter scale