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

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

Which scale measures the intensity of the ground movement?

• Mercalli Scale
• Richter Scale
• Seismogram Scale
• Bernoulli Scale

What is a large ocean wave that results from an underwater earthquake, landslide, or volcanic eruption?

• Aftershock
• Liquefaction
• Seismic Gap
• Tsunami

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

• Sierra Nevada Seismic Zone
• Denali Fault
• San Fransisco 
• San Andreas

Which kind of wave arrives at seismic stations second?

• P (primary)
• S (secondary)
• L (love)
• R (rayleigh)