What is magma called when it reaches the surface of Earth?

• Lava

• viscosity

• toxic gas

A mixture of hot rock, ash, and gas coming out of a volcao

• dangerous

• Tsunami

• Pyroclastic flow

This is the name for the chain of volcanos around the edge of the Pacific Plate.

• March Maddness

• Earthquake Alley

• Ring of Fire

• Circle of Death

Volcanoes are found...

• on land
• under water
• on islands
• all of the above

What is the shaking of the Earth’s crust caused by a release of energy?

• Earthquake
• Epicenter
• Fault
• Plate

Where is the point on the Earth’s surface directly above the starting point of an earthquake?

• Epicenter

• Fault

• Magma chamber

Which type of wave is the first to arrive after an earthquake occurs?

• P Wave

• Rayleigh Wave

• S Wave

What is the measure of the amount of energy released in an earthquake?

• Earthquake

• Epicenter

• Magnitude

This famous transform fault is located in the western United States creates significant earthquake activity for California

• New Madrid
• Denali Fault
• Ramapo Seismic Zone
• San Andreas

The Richter scale measures:

• the amount of radon gas released
• the movement of plates
• the strength of an earthquake
• the weight of tectonic plates