Understanding Landslides and Their Impact

What are some common triggers of landslides?

• Low humidity and clear skies

• Mild temperatures and light breezes

• Sunny weather and calm winds

• Heavy rain and earthquakes

How did the Thomas Fire contribute to the landslide in Montecito?

• It cooled the area, causing the ground to contract.

• It increased the humidity, making the soil more slippery.

• It left the mountains barren, removing vegetation that held the soil.

• It caused a drought that weakened the soil.

What is a key difference between debris flows and subsurface landslides?

• Debris flows occur underwater.

• Debris flows are caused by human activities only.

• Debris flows originate from a saturated slurry and grow in volume.

• Debris flows are slower and less destructive.

Why is it challenging to convince residents to evacuate before a landslide?

• Evacuations are never necessary for landslides.

• Landslides are always predictable and avoidable.

• Residents are always well-prepared for landslides.

• There is often a lack of cultural memory of past disasters.

What is a significant lesson learned from the Montecito landslide regarding evacuation?

• Evacuation plans should be the same for all natural disasters.

• Evacuation plans for fires are always suitable for landslides.

• Evacuation plans need to be specific to the type of hazard.

• Evacuations should be avoided to prevent panic.

What is the purpose of installing nets in landslide-prone areas?

• To prevent any rain from reaching the ground.

• To redirect debris flows to other areas.

• To slow down the momentum of debris flows.

• To completely stop all debris flows.

What is the most important factor in keeping safe from landslides?

• Living far from mountains

• Owning a car

• Knowledge and awareness of the risks

• Having a large house

What should you do if you notice signs of slope instability near your home?

• Move to a different country.

• Wait for a landslide to occur before taking action.

• Contact local officials and geologists.

• Ignore it and continue with your day.

What is a common indicator that a landslide might occur soon?

• A sudden drop in temperature

• A few falling rocks

• A clear and sunny day

• A rise in humidity

What advice does Montecito resident Marco Farrell give regarding evacuation?

• Evacuation is a pain but can save lives.

• Evacuation is unnecessary and inconvenient.

• Evacuation should only be done during the day.

• Evacuation plans are not important.