Volcanos
Most of the world's volcano's are located in this area.
Ring of Fire
What are the three types of faults
Normal, reverse, and strike-slip
What causes tsunamis?
Earthquakes, landslides, and volcanic eruptions.
What is the center of a hurricane called?
The eye
What do we use to record a earthquake
A seismograph
What is the place where lave exits called?
Vent
Where to earthquakes happen?
At faults
What the first sign of a tsunami
Waves receding
What is it called when snow falls of a mountain side?
An Avalanche
40,000-50,000
What are the two ways that a volcano can be created?
Plate tectonic boundaries and hot spots.
What scale is used to measure earthquakes?
Moment Magnitude Scale
How tall can tsunamis get?
100ft-1,719ft
How costly are natural diasters?
Hundreds to trillions of dollars
How did the word "volcano" come about?
It originated from the god Vulcan
What is a pyroclastic flow?
It is a tall cloud of hot ash and other things moving very fast.
What are the type of waves that earthquakes emit?
P-waves, S-waves & surface waves
Why does tsunami happen?
It is caused by the energy waves moving in deep water. When it hits shallow water, the water gets squeezed into a small space, thus creating a tsunami.
How are wild fires caused?
Typically caused by a combination of dry vegetation, hot conditions, and an ignition source
What does tsunami mean in Japanese?
harbor wave (津波)
What scale is used to measure volcanos?
Volcanic Explosivity Index
How much does a seismograph cost?
A house one can be $40-$100, one for a scientist will cost tens of thousands of dollars.
What scale is used to measure a tsunami?
Mt scale, closely related to the Moment Magnitude scale
How are tornados formed?
A rotating updraft called a mesocyclone develops
How many types of natural disasters are there?
18