Cascadia Subduction Zone Earthquake

What is the Cascadia Subduction Zone?

• A fault line in California

• A fault line in the Pacific Northwest

• A fault line in Asia

• A fault line in Europe

What is the maximum magnitude the Cascadia Subduction Zone earthquake can reach?

• 8.2 on the Richter scale

• 9.0 on the Richter scale

• 10.0 on the Richter scale

• 11.0 on the Richter scale

How long can a magnitude 9 earthquake typically last?

• A few seconds

• 15 seconds

• 2 minutes

• 4 minutes

When did the last major earthquake occur in the Cascadia Subduction Zone?

• 1700

• 1800

• 1900

• 2000

Which cities would be directly impacted by the Cascadia Subduction Zone earthquake?

• Los Angeles and San Francisco

• Eugene and Portland

• New York and Boston

• Miami and Orlando

What is the estimated number of people directly impacted by the Cascadia Subduction Zone earthquake?

• 1 million

• 5 million

• 10 million

• 50 million

What is the first sign of the earthquake that humans may not notice but animals, particularly dogs, will?

• Continuous shaking

• Compression wave

• Tsunami

• Power outage

How much time do people living in the inundation zone have to evacuate before the tsunami hits?

• 1 minute

• 10 minutes

• 30 minutes

• 1 hour

How long will it take to restore electricity along the I-5 corridor after the earthquake?

• 1 week

• 1 month

• 6 months

• 1 year

What is the estimated time it will take to restore major highways after the earthquake?

• 1 month

• 6 months

• 1 year

• 18 months