Chapter 6 Geological activity and earthquakes

When you are outside during an earthquake, what should you look out for?

• Falling trees

• Unsafe buildings

• Falling power lines

• All of the above

What are some ways to prevent fires during an earthquake?

• Replace halogen lightbulbs with fluorescent light bulbs

• Know how to shut off the gas line

• Keep several fire extinguishers around the house

• All of the above

What should you have in your disaster preparedness kit?

• First aid kit and manual

• Emergency food and water

• Flashlight and extra batteries

• All of the above

What type of ground is best for large structures to be on?

• Loose gravel

• Mud

• Sand

• Bedrock

For buildings to be earthquake resistant, the connections, such as where the walls meet the foundation, must be weak.

• TRUE

• FALSE

Why do fires start during an earthquake?

• Gas pipes and electrical lines rupture

• There is the normal amount of fire, but since the water mains break the fires can't be fought

• Earthquakes have a lot of electrical activity that causes fires

• All of these

Very few people died in the magnitude 9.2 Great Alaska Earthquake in 1964 because the density of the population was very low.

• TRUE

• FALSE

More damage is done and more people are killed by the fires that follow an earthquake than by the earthquake itself.

• TRUE

• FALSE

City planners look at Mercalli maps rather than predictions of earthquake magnitude because the damage done by a quake in a local area depends on the local geology, such as the bedrock, not just the magnitude of the quake.

• TRUE

• FALSE

The secondary effects of large earthquakes include ___________ .

• fires

• landslides

• tsunamis

• all of the above