Volcanoes
In order to generate this, you can increase temperature, decrease pressure, or add water to rocks.
magma
earthquake
The first wave of a tsunami is not usually the biggest, and each wave tends to get ___.
bigger and stronger
What could be another name for a hurricane?
cyclone, typhoon, tropical storm
Although natural disasters are inevitable, is it true that humans play a part in the frequency?
yes, true
If magma stays in the crust and cools there, what is crystallized?
a pluton
What are rocks that have slipped passed each other?
a fault
How fast can tsunami waves travel?
about 500 miles per hour
This is an intense tropical storm with powerful winds and strong rain.
a hurricane
Of the disaster we learned about, which is most common?
earthquakes
What are the two types of lava?
Effusive (red) or explosive (grey)
What is used to measure the size of an earthquake?
the Richter scale
How is a tsunami formed?
underwater landslide, earthquake, volcanic eruption, meteor impact
Atmospheric pressure during a hurricane is typically what?
low
About how many people were affected by natural disasters from the years 2000 to 2012?
2.9 billion people
Mt. Saint Helens is an example of what type of volcano?
stratovolcanco
Which state is most prone to an earthquake, and due to which fault?
California, San Andreas fault
What beach in Oregon has vertical evacuation sites for tsunamis?
Cannon Beach
What areas are at greatest risk for hurricanes?
coastal regions
How many seconds does it take for an avalanche to reach 80 mph?
5 seconds
What will the collapse of land followed by a big explosive volcano form?
explosive calderas
In January 2010, this devastating earthquake reached a magnitude of 7.0 in the Caribbean and killed over 200,000 people.
Haiti Earthquake
These states are at the greatest risks for tsunamis.
Washington, Oregon, Hawaii, Alaska, and California
During the 1970 Bhola Hurricane, approximately how many casualties were there?
about 300,000
In 1815, this was the biggest volcanic eruption documented.
Mount Tambora on Sumbawa Island