Earthquakes

A city destroyed in 1906 by an earthquake.

• San Diego

• San Francisco

• Santa Barbara

Earthquakes under the water can cause _________________________________.

• tornadoes
• tsunamis
• lightening
• hailstorms

Many earthquakes happen along the borders of...

• Countries
• Tetonic Plates
• Climate Zones
• None of the above.

Where the earthquake begins on surface.

• epicenter

• joint

• fault

• focus

What is this area known as

• Earthquake Epicenter

• Ring of Fire

• San Andres Fault

The borders between plates that are grinding and pushing against one another.

• Epicenter

• Fault Line

• Focus

Smaller earthquakes that occur in the same area after a larger earthquake has occurred.

• aftershock
• liquefaction
• tsunami

What are earthquakes?

• The shaking that results from the movement of rock beneath Earth's surface

• Masses of earth sliding down cliffs or mountains

• A rotating column of air causing mass destruction

• A gigantic wave

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

• Fujita scale

• Richter scale

• Damage scale

• NASA scale

What causes earthquakes?

• Millions of people jumping at once

• The earth rotating

• The movement of plate tectonics

• Gravity