Predicting Geologic Events

What is the term for the shaking and trembling that results from the movement of rock below Earth's surface?

• earthquake
• active volcano
• dormant volcano
• extinct volcano

What is the term for an opening in the crust that is erupting magma from inside the Earth?

• earthquake
• active volcano
• dormant volcano
• extinct volcano

What is the term for a "sleeping" volcano that is expected to erupt some time in the future?

• earthquake
• active volcano
• dormant volcano
• extinct volcano

What is the term for a "dead" volcano that is unlikely to erupt again?

• earthquake
• active volcano
• dormant volcano
• extinct volcano

The Ring of Fire is the area around which plate?

• Atlantic plate
• Pacific plate
• Cocos plate
• Juan de Fuca plate

Which plate boundaries are most likely to cause volcanoes?

• divergent and transform
• divergent and convergent
• convergent and transform

Which geologic event are geologists more successful at predicting?

• earthquake
• volcano

This is the area of rock underground that breaks under stress and causes an earthquake.

• focus
• epicenter
• magnitude
• volcano

This is the point on the surface of the crust right above the broken rock that causes an earthquake.

• focus
• epicenter
• magnitude
• volcano

Which type of seismic wave shakes the Earth first, compressing and expanding the ground?

• P wave
• S wave
• Surface wave