2.2- Earthquakes

The idea that rocks on either side of a fault spring back to a position of little or no strain at the moment of an earthquake, causing vibrations in the earth's crust, is the P-wave theory.​ (a)  

• false- elastic rebound
• true

The sudden movement of rock masses as a result of tectonic earthquakes is called faulting.

a

true

false-fold

Tags

NGSS.MS-ESS2-3

NGSS.MS-ESS3-2

The place on the earth's surface directly above where an earthquake begins is the hypocenter.

b

false- epicenter

true

Tags

NGSS.MS-ESS3-2

The system that detects earthquake waves and automatically sends out a warning is a seismographic system.

b

true

false- earthquake early warning

Tags

NGSS.MS-ESS3-2

What major strike-slip fault exists in western California?

• Los Angeles Fault

• San Francisco Fault

• San Andreas Fault

• San Gregorio Fault

Tags

NGSS.MS-ESS3-2

What are the slowest type of earthquake waves?

• P waves

• T waves

• S waves

• surface waves

A seismologist studies a seismogram and sees a straight line with tiny deflections. What conclusion is he most likely to make?

• A tremor just took place.

• The seismograph needs to be placed in a leveled place.

• The deflections are the result of background noise.

• An earthquake may occur in the approaching hours.

Tags

NGSS.MS-ESS3-2

Match the following

• earthquake zone that stretches from northern Africa, through southern Europe and Asia, to Indonesia

• 
• the most active earthquake zone

• 
• earthquake zone that includes the San Andreas Fault

• 

Tags

NGSS.MS-ESS3-2