Earthquake

What wave causes earthquake to occur?

• electromagnetic wave

• radio

• seismic

• sound

The sudden movement of the earth's crust along the fault lines.

• cyclone

• earthquake

• thunderstorm

• tsunami

What point on Earth's surface is directly above the focus?

• magnitude

• intensity

• focus

• epicenter

The measure of the amount of energy released in an earthquake.

• magnitude

• intensity

• epicenter

• focus

The type of fault that may formed a valley

• normal

• reverse

• strike-slip

• transform