Understanding Tsunamis and Earthquakes

What is the primary cause of tsunamis?

• Wind

• Earthquakes

• Volcanic eruptions

• Meteor impacts

Which historical tsunami was triggered by a magnitude 9.1 earthquake?

• The 1755 Lisbon tsunami

• The 1960 Chile tsunami

• The 2004 Sumatra tsunami

• The 2011 Japan tsunami

What is the main reason tectonic plates get stuck at their contact points?

• Water pressure

• Friction

• Magnetic forces

• Gravity

How does the speed of a tsunami change as it approaches shallower waters?

• It slows down

• It remains constant

• It speeds up

• It stops completely

What is the most crucial factor in determining survival during a tsunami?

• Distance from the epicenter

• Tsunami height

• Weather conditions

• Reaction time

What should you do if you feel an earthquake near the coast?

• Evacuate to high ground immediately

• Call emergency services

• Stay indoors

• Wait for an official warning

What is a vertical evacuation structure designed to do?

• Provide shelter from tsunamis

• Store emergency supplies

• Prevent earthquakes

• Monitor seismic activity

Which US state is particularly vulnerable to tsunamis due to its geography?

• Texas

• Washington

• California

• Florida

What is the purpose of a tsunami evacuation zone map?

• To predict earthquake magnitudes

• To show safe evacuation routes

• To measure tsunami heights

• To locate emergency shelters

What is the recommended action if there is no high ground nearby during a tsunami?

• Climb a tree

• Use a boat

• Stay indoors

• Seek a vertical evacuation structure