What do we call any change in volume or shape of the Earth's crust?
What is deformation.
100
__________ pushes masses of rock in two opposite, horizontal directions.
What is shearing.
100
What waves arrive later and move side to side as well as up and down?
What is S waves.
100
Which monitoring device bounces radio waves off the ground to measure earthquakes?
What is a satellite equipped with radar.
100
A _________building is designed to reduce the amount of energy that reaches a building in a earthquake.
What is base-isolated building.
200
The force that acts on a rock to change it's shape or volume is called...
What is stress.
200
The stress that stretches rock is known as...
What is tension.
200
The first waves to arrive after an earthquake are called...
What is P waves.
200
A wire streched across a fault and anchor to a post is a....
What is creep meter.
200
What is responsible for most of the deaths and injuries during an earthquake?
What is damage to buildings and other structures.
300
A _________ is large area of flat land elevated high above sea level.
What is plateau.
300
In a normal fault, the part of the fault that lies below the other is called the....
What is hanging wall.
300
The method of measuring use to determine damage to people, buildings and land surface would be...
What is the Mercalli Scale.
300
A carpenters level most closely resembles what kind of monitoring device?
What is a tiltmeter.
300
Damage that is caused days or months after an earthquake is caused by.....
What is aftershocks.
400
The point under ground where an earthquake begins is called....
What is the focus.
400
The fault is which the rocks slip past each other sideways is known as....
What is a slip-strike fault.
400
The __________ is a rating of the size of seismic waves by a particular type of mechanical seismograph.
What is Richter Scale.
400
A device that uses a laser beam and reflector would be called a....
What is laser ranging device.
400
The best way to protect yourself in an earthquake is to....
What is drop, cover and hold.
500
Folds in rocks that bend in a "U" shape are called....
What is syncline folds.
500
Reverse faults are caused by what kind of stress?
What is compression.
500
_____________ is the measurement of an earthquakes strength based on seismic waves and movement along faults.
What is magnitude.
500
Geologist can determine where earthquakes will occur by...
What is locating where faults are active and where other earthquakes have occured in the past.
500
What are three things you can do to have an earthquake safe home?
What is secure chimneys with a metal bracket, remove heavy items from walls near beds, secure furniture and cabinet with brackets, bolt house to concrete foundation.