Earthquake
What is the outer layer of earth made out of?
Plates
If a Tsunami is coming where should people go?
Higher Ground
Volcanic eruption's occur when plates _____ or _____ together.
Bump or Slide
Tornados happen when wet air meets cooler, ___ air.
dry
Hurricane's form over ____ ocean water.
warm
Underwater earthquakes can cause ....
Tsunami's
A tsunami can reach up ___ mph.
500
What causes a volcanic eruption?
pressure build up and magma pushing out
What does warm, wet air do?
Rises and starts to spin
Hurricanes begin in an area with ____ pressure.
Low
The machine that records earthquake movement is called a .....
Seismograph
What can be used to measure a tsunami?
Dart buoys
Volcanos can be ____, _____ and _____.
Active, dormant or extinct
What time of the year do tornadoes normally occur?
Spring and summer
Ocean water pushed in by strong winds is ...
A storm surge
What is the scale to measure the strength of a earthquake?
Richter Scale
80% of tsunami's happen in a part of the world called the ...
Ring of Fire
The volcano type that is the tallest and steepest, made up of layers of rock, ash and lava.
Composite
The scale that measures a tornado is called a ....
Fujita Scale
What scale do they use to measure a hurricane?
Saffir-Simpson Hurricane Wind Scale
Name the 3 faults?
Normal Faults, Reverse Faults and Strike-Slip Faults
These 3 countries Tsunami's occur in the most, which 3 countries are they?
Japan, Indonesia and Chile
Volcanos are measured using a ...
Tiltmeter or strainmeter
What are the four states in tornado valley?
Texas, Oklahoma, Kansas and Nebraska
Hurricanes happen during the ____ and ____.
Summer and fall