The Cascadia Earthquake: America’s Worst Disaster?

The video discusses the Cascadia Subduction Zone's potential for a massive earthquake, similar to Japan's 2011 disaster. It highlights the region's seismic history, potential impacts on infrastructure, and the importance of preparedness. Experts share insights on retrofitting homes and community efforts to mitigate risks. The video emphasizes the need for personal and community readiness to face the anticipated 'Big One'.

What is the estimated chance of a major earthquake occurring in the Cascadia Subduction Zone within the next 50 years?

• 37%

• 50%

• 75%

• 10%

What natural disaster followed the 2011 earthquake in Japan, causing significant damage?

• Volcanic Eruption

• Tsunami

• Tornado

• Hurricane

How often do subduction quakes occur in the Cascadia Subduction Zone according to geological records?

• Every 100 years

• Every 250 years

• Every 500 years

• Every 1000 years

What is a significant risk associated with unreinforced masonry buildings during an earthquake?

• They may become electrified

• They may catch fire

• They may collapse

• They may flood

What is a major concern for residents of Seaside, Oregon, in the event of a Cascadia earthquake?

• Inability to cross bridges for evacuation

• Shortage of food supplies

• Communication breakdown

• Lack of emergency services

What is one of the key retrofitting measures to make homes more earthquake-resistant?

• Installing solar panels

• Strengthening the connection from walls to the foundation

• Painting the exterior

• Adding extra windows

What is the primary purpose of a four-in-one gas shut-off tool?

• To repair broken pipes

• To shut off gas and water supplies

• To clean gas lines

• To measure gas levels

What is a recommended amount of water to store per person per day for earthquake preparedness?

• Half a gallon

• One gallon

• Three gallons

• Two gallons

What is a crucial step to take if you smell gas in your home after an earthquake?

• Light a candle to check for leaks

• Open all windows

• Call the fire department

• Turn off the gas using a shut-off tool

What is one of the most important things to have in your home for earthquake preparedness?

• A satellite phone

• A first aid kit

• A bucket toilet

• A generator