Earthquakes

What is a break in the lithosphere along which movement in an earthquake has first occurred?

• Earthquake
• Epicenter
• Fault
• Focus

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

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

Which body waves cause particles of rock material to move at right angles to the direction in which the waves are traveling?

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

What is another term for P Wave?

• Compression Wave
• Principal Wave
• Shear Wave
• Secondary Wave

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 a smaller earthquake that follows a larger earthquake?

• Aftershock
• Liquefaction
• Seismic Gap
• Tsunami