Earthquakes

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

Earthquakes under the water can cause _________________________________.

• tornadoes
• tsunamis
• lightening
• hailstorms

Tags

CCSS.RI.4.3

CCSS.RI.5.3

CCSS.RI.6.3

CCSS.RI.7.3

CCSS.RI.8.3

The focus of an earthquake is

• The point (below Earth's surface) where rock breaks
• The closest seismic station
• The place where the greatest damage occurs
• A fault

Which kind of wave arrives at seismic stations second?

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

Which kind of waves can NOT travel through a liquid?

• P waves
• S waves
• Radio Waves
• X rays

A break in the lithosphere along which movement has occurred is a(n)

• fault
• earthquake
• epicenter
• volcano

At about what time did all of the S-waves hit?

• 20 sec
• 45 sec
• 50 sec
• 10 seconds

Earthquakes happen every day. Most are too small for humans to notice.

• True
• False

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