Earthquakes and Volcanoes

Molten mixture of rock found underground is called

• lava

• magma

The Ring of Fire circle which Ocean?

• Atlantic

• Pacific

• Indian

• Arctic

The Aleutian islands are part of which island arc?

• Alaska

• NY

• Hawaii

• Florida

A volcano that will never erupt again is considered

• Active

• Live

• Dormant

• Extinct

The fastest of all seismic waves released by an earthquake are the

• P-waves

• S-waves

• L-waves

The point beneath Earth's surface where the crust breaks and triggers an earthquake is called the

• focus

• fault

• magnitude

• boundary

Which seismic wave causes the most destruction?

• P-wave

• S-wave

• L-wave

the released energy that causes vibrations in the earth's surface

• earthquake

• tornado

• volcano

• Big Foot

Breaks in the earth's surface along which rock can move

• Valley

• Craters

• Faults

• Plates

Which of the following causes stress in the Earth's crust?

• tectonic plate movement

• tsunami wave

• seismic gap

• earthquake hazard