Earthquakes

Select the correct definition for 'Focus'.

• The point within the earth where the earthquake originates.

• The depth at which an earthquake begins

• The point on the earth's surface where the quake starts.

What is the name of the machine used to measure earthqukes?

• Seismograph

• Seismometer

• Seismic machine

• Seisosausage

Which type of earthquake wave is Longitudinal?

• P

• S

Which type of earthquake waves moves faster?

• P

• S

What percentage of earthquakes occur away from plate boundaries?

• 15%

• 17%

• 20%

• 0%

True or false, human sometimes create intra-plate earthquakes.

• True

• False

Which of the following are examples of secondary hazards from earthquakes?

• Tsunami's

• Ground shaking

• Liquefaction

Which of the following are social factors affecting vulnerability?

• Time of day

• Government bodies

• Population structure

The San-Andres Fault is an example of which type of boundary.

• Passive

• Constructive

• Destructive

• Collision

When did the HAiti earthquake occur?

• 2001

• 2004

• 2010

• 2015