Tectonic Hazards

What FIRST occurs when a tsunami forms?

• large ocean wave forms

• large ocean waves slow down and increase in height as they reach the coast

• two tectonic plates slide past each other underwater

• large ocean waves move in all directions away from the shifting plates

Attaching bookshelves to walls and reinforcing building foundations is good preparation for a(n) ______________.

• volcanic eruptions

• earthquakes

• tsunamis

• hurricanes

Earthquakes usually occur ________.

• in March

• in the middle of tectonic plates

• along fault lines

• only in England

a massive wave caused by an earthquake

• earthquake

• tsunami

• volcano

• hazard

an opening in the earth’s crust that allows superheated rock and other materials below the crust to reach the surface

• earthquake

• tsunami

• volcano

• hazard

a shift of plates that releases pressure on Earth’s crust and causes the crust to shake

• earthquake

• tsunami

• volcano

• eruption

A hazard is _____.

• a danger caused by an event

• a snoball flavor

• a bad smell

• a wave

How fast can a tsunami move?

• 15 mph

• 100 mph

• 600 mph

• 1,000 mph

Which TWO are hazards of a tsunami?

• ash cloud

• flooding

• roadways washed away

• lava

Which TWO are hazards of a volcano?

• flooding

• ash cloud

• roadways washed away

• lava