Earthquakes & Tsunamis
What is an earthquake?
The sudden shift within the Earth
What is a volcano?
An opening in Earth's crust that allows superheated materials (magma) to reach the surface.
True or False: Hurricanes are the most predictable of Earth's hazards.
true
What is a drought?
A long period of very dry weather
What is a danger caused by an event called?
a hazard
What is a natural disaster that an earthquake underwater can create?
a tsunami
What causes a volcanic eruption?
pressure along the fault line, plate movement
Name one result of a blizzard.
windy & snowy conditions (difficult to drive), loss of power, people could freeze, heavy snow could cave in a roof
What is a flood?
An overflow of water in an area not normally covered in water.
What is the sudden sliding of ice and snow down a slope?
an avalanche
What is an area in Earth's crust where tectonic plates meet?
a fault
Name two things people should be concerned about when a volcano erupts.
lava and ash
What elements of hurricanes cause the most damage?
heavy rain and wind
What is an effect of flooding?
A. ash cloud
B. erosion
C. wind damage
B. erosion
What is a tsunami?
a huge, destructive tidal wave caused by a shift of land underwater
What area in the United States are earthquakes most often felt?
on the West coast (California, along the San Andreas fault)
Name a place on Earth where there are active volcanoes.
Hawaii, Iceland, Italy, Indonesia, New Zealand, Philippines, Africa
Name one result of a tornado.
A. ash cloud
B. erosion
C. wind damage
C. wind damage
Name one result of a drought.
What is the sliding of rock and soil down a slope called?
a landslide
An earthquake was reported in Kansas. Should they issue a tsunami warning?
No, Kansas is not near an ocean.
Which volcano erupted in Washington State in 1980?
Mount St. Helens
Where in the United States do tornadoes most often occur?
Tornado Alley
What are two causes of a landslide?
heavy rain and earthquake
The word tsunami comes from which language?
Japanese