Understanding Sinkholes and Their Causes(129p.)

What year did the sinkhole incident in Guatemala City occur?

• 2007

• 2003

• 2010

• 2005

How wide and deep was the sinkhole that opened in Guatemala City?

• 20 meters wide and 30 meters deep

• 30 meters wide and 40 meters deep

• 15 meters wide and 25 meters deep

• 10 meters wide and 20 meters deep

What natural event contributed to the sinkhole in Guatemala City?

• Earthquake

• Volcanic eruption

• Tsunami

• Heavy rainfall

What human factor was mentioned as a cause of the sinkhole?

• Natural erosion processes

• Human activities such as construction or drilling.

• Heavy rainfall and flooding

• Underground water flow changes

How many people were killed in the Guatemala City sinkhole incident?

• 1

• 5

• 10

• 15

What are some warning signs of potential sinkholes?

• Increased wildlife activity

• Heavy rainfall in the area

• Frequent power outages

• cracks in walls, depressions in the ground, water pooling

Can naturally occurring sinkholes be prevented?

• They can be mitigated with proper drainage systems.

• Regular maintenance can stop sinkholes from forming.

• Advanced technology can predict and prevent sinkholes.

• No, naturally occurring sinkholes cannot be prevented.

What is one method to prevent sinkholes caused by human activities?

• Ignore land use planning.

• Increase groundwater extraction.

• Regulate groundwater extraction.

• Dredge nearby rivers regularly.

Are sinkholes considered widespread events like hurricanes?

• Yes, sinkholes are widespread like hurricanes.

• Sinkholes are more common than hurricanes.

• Sinkholes occur in many regions simultaneously.

• No, sinkholes are not considered widespread events like hurricanes.

What should residents in sinkhole-prone areas look for to identify risks?

• Increased wildlife activity

• Nearby construction projects

• Signs of ground instability, cracks, depressions, and drainage changes.

• Heavy rainfall patterns