Plate Tectonics
San Andreas Fault
Volcanoes
Earthquake
Other Disasters
100
The theory that says the Earth's crust is divided into large plates that move.
What is the Plate Tectonics Theory?
100
The Bay Bridge collapsed.
What happened during the last major earthquake on the San Andreas Fault?
100
A mountain that builds up around an opening in the Earth's crust.
What is a volcano
100
Movement in the Earth's crust caused by a sudden shift in the the plates
What is an earthquake
100
This occurs when water runs on top of land.
What is a flood?
200
Recent earthquakes and volcanoes have occurred here.
What are plate boundaries?
200
800 miles
What is the length of the San Andreas Fault
200
Vent
What is the opening at the top of a volcano
200
This can cause tsunamis, landslides, and mudslides
What is an earthquake
200
This is the name of a rapid movement of rock and soil
What is a landslide?
300
The San Andreas Fault
What is the 800 mile long crack in the California crust
300
What does SAFOD stand for?
What is San Andreas Fault Observatory at Depth
300
A cuplike shape that forms around the vent of a volcano.
What is a crater?
300
The area where rocks slide past one another along cracks in the Earth's crust.
What is a fault.
300
The name of a river of mud and rock caused by absorbing too much water
What is a mudslide?
400
The North American Plate and the Pacific Plate
What are the two plates that move under California?
400
1989
What is the year of the last big quake on the fault?
400
Molten rock inside a volcano
What is magma?
400
Where is the safest place to be in your house during an earthquake?
What is in a door frame (or under a table)
400
This is where magma partially melts through the crust.
What is a hot spot
500
This word means to build up.
What is tectonic?
500
7.1
What is the magnitude of the last big quake on the fault
500
shield, cinder cone, composite
What are the three types of volcanoes?
500
An instrument that measures the strength of an earthquake
What is a seismometer?
500
This can travel across the ocean at hundreds of miles an hour
What is a tsunami?
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