Chapter 8 Earthquakes Studying Resource

An earthquake’s epicenter is 

• the place on the surface directly above the focus.
• a spot halfway between the focus and the surface.
• the spot below the focus.
  
• any spot along the nearest fault.

Earthquakes are usually associated with

• violent weather
• large cities
• faults
• the east coast of North America

Which seismic waves travel most rapidly?

• P waves
• surface waves
• S waves
• tsunamis

What is the minimum number of seismic stations that is needed to determine the location of an earthquake’s epicenter?

• 2
• 4
• 1
• 3

What instrument records seismic waves?

• seismogram
• Richter scale
• seismograph
• barometer

he trace that records an earthquake from seismic instruments is called a

• seismograph
• richtergram
• seismogram
• magnitude

A tsunami can occur when there is vertical movement at a fault under

• a mountain range.
• the ocean floor.
• the San Andreas Fault.
• a small inland lake.

The epicenter of an earthquake is

• The point below the surface where rock begins to break and the first motion occurs
• The seismic station closest to the earthquake
• The place where the greatest damage occurs
• The point on the surface directly above the focus

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NGSS.MS-ESS2-3

NGSS.MS-ESS3-2

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

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NGSS.MS-ESS3-2

The Richter scale measures:

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

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NGSS.MS-ESS3-2