Earthquakes & Volcanoes

Where is the point at which the first movement occurs during an earthquake?

• Epicenter
• Focus
• Fault
• Plate

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

• Epicenter
• Fault
• Hypocenter
• Tremor

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

• P Wave
• Rayleigh Wave
• S Wave
• Shear Wave

Which body wave squeezes and stretches rock materials as they pass through the Earth?

• Body Waves
• P Waves
• S Waves
• Surface Waves

P Waves can move through which of the following?

• Gas
• Liquid
• Solid
• All of these

S Waves can move through which of the following?

• Gas
• Liquid
• Solid
• All of these

What is an instrument that detects and records waves produced by earthquakes? (This piece of equipment can measure the magnitude of an earthquake.)

• Epicenter
• Fault
• Seismogram
• Seismograph

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

• Earthquake
• Epicenter
• Magnitude
• Seismogram

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

• Earthquake
• Epicenter
• Fault
• Plate

What type of volcano has steep slopes made of alternating layers of ash and silica rich lava?

• Caldera
• Cinder Cone
• Composite Volcano
• Shield Volcano