Tsunami Warnings and Earthquake Impacts

Which regions were initially under tsunami alerts?

• Japan, Alaska, Hawaii, and the U.S. West Coast

• Russia, Japan, and the U.S. West Coast

• Hawaii, California, and Canada

• Alaska, Russia, and Japan

What triggered the tsunami threat?

• A volcanic eruption in Hawaii

• A massive 8.8 magnitude earthquake off the coast of Eastern Russia

• A series of underwater landslides near Japan

• A major storm system in the Pacific Ocean

What were the observed tsunami wave heights in Kahului, Hawaii?

• 3.0 feet

• 4.0 feet

• 5.0 feet

• 6.0 feet

Which U.S. region was still under a tsunami warning at the time of the report?

• Hawaii

• Alaska

• Northern California

• Washington and Oregon

Why was Northern California still under a tsunami warning when other areas were downgraded to an advisory?

• Its proximity to the earthquake epicenter

• Its unique coastline bathymetry

• Higher population density

• Lack of adequate evacuation routes

Which of the following is NOT a factor required for an earthquake to trigger a tsunami?

• Occurring on the correct type of fault

• Being a large earthquake

• Being a shallow earthquake

• Occurring during a full moon

After a tsunami is triggered, in which direction does the water typically get pushed out from the epicenter?

• Randomly in all directions

• In one primary direction

• Only towards the nearest landmass

• Away from the deepest ocean trenches