EARTHQUAKES

is the shaking or trembling of the ground.

What are the two types of earthquakes?

Refers to the amount of energy released by an earthquake from its focus.

The scale used to measure magnitude.

Refers to the effects of the earthquake as shown in the destruction of buildings, crops, and the number of casualties.

An earthquake is referred to as _____________ if a sudden displacement of the earth's crust occurs along a fault, or break in the rocks.

Intensity scale was developed by_______

The earth's crust shakes and the strength of movement depends on the distance of an area from the focus and epicenter of the earthquake.

Hillsides and high cliffs become unstable as the strong shocks of an earthquake cause _______.

The shock near the epicenter can cause land surfaces to break open.