DRRR Quiz

Select from the following list, all of the factors that affect the intensity of ground shaking.

• The magnitude of the earthquake

• Rather or not the moon is full

• The distance from the epicenter

• The angle between a fault and the maximum principal stress direction

• The local geological conditions

What kinds of materials amplify ground shaking?

• Hard rocks

• Soft soils and sediments

• Metamorphosed sedimentary rocks

• Rocks with a foliation

• Plutonic rocks

_______________ is a special type of sea-borne flood. Storm surges are an abnormal rise in sea water level associated with hurricanes and other storms at sea.

Select from the following list the factors that must be in place before liquefaction can occur?

• Hard rocks that ring during ground shaking must be present

• There must be enough ground water present to saturate sediment and/or soils

• Fractures within hard rock must be filled with ground water

• Loose, granular sediment and/or soil must be present

What instrument used to record the motion of the ground during an earthquake?

What is the temporary state in which loose soil and rock materials take on the property of a liquid?

• Liquefaction

• After Shock

• Seismic Gap

• Tsunami

If you are outside during an earthquake you should seek shelter in a building.

• TRUE

• FALSE

If an earthquake hits while driving you should:

• Drive quickly away from the earthquake

• Pull over and stay in your car

• Pull over and get out of your car

The most common hazard after an earthquake is:

• Fire

• Tsunami

• Sewer Back-up

What are seismic waves?

• Tidal Waves

• Instrument used to measure shock waves

• Ocean waves that build up and cause a tsunami

• Shock waves that travel through Earth's interior