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Question | Answer |
---|---|
Types of stress? | Tension, Compression, and Shearing |
What is syncline? | A downward fold in Rock |
Main faults? | Normal, Reverse, and Strike-slip |
What is Anticline? | And upward fold in rocks |
What is a plateau? | A large flat area that is high above sea level |
What is an Earthquake? | It is the shaking and Trembling under the crust |
What is the point directly above the focus called? | The epicenter |
What do P-waves do to the earth? | They compress and expand the ground |
What do S-waves do to the earth? | Vibrate up and down |
What do the surface waves do to the earth? | Move up and down, or side to side |
In what order do the waves arrive | P wave, S-wave, and the Surface wave |
What is a tilt meter? | Measures the rise and fall of the ground |
What is a Creep meter? | a wire stretched across fault to measure horizontal motion |
What is a Laser-Ranging device? | a laser beam and reflectors to detect horizontal movement |
What is a GPS satellite's do? | Measures position of markers along faults |