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Ellis Earthquake

QuestionAnswer
How much more ground motion does a earthquake with magnitude of 3.0 compare to one of 5.0 100 times more 5-3=2 10 x 10
What should you do if you are inside when an earthquake starts? take cover under a table or desk
Where do most earthquakes occur? along edges of Tectonic plates
What type of deformation leads to earthquakes? Elastic deformation
Which one of these is Not a fault...normal, abnormal, reverse or strike slip? Abnormal
Earthquake waves are called... seismic waves
Where is the epicenter of an earthquake? Directly above the focus
The amount of ground motion determines the ________ of an earthquake strength
What scale is used to measure the strength of an earthquake? Richter magnitude (Richter scale)
The amount of damage an earthquake causes is partly do to its _________. Intensity
The Earthquake Hazard level determines__________________. How likely an area is to experience an earthquake.
One way to predict earthquakes is to observe.... the past strength and frequency
What can be used to construct earthquake resistant buildings? cross braces, mass dampers, base isolators
If you are in a car and an earthquake occurs, what should you do? Stop and stay in your car
What causes strike slip faults? transform motion
What causes the ground to move during an earthquake? Elastic rebound
What can primary seismic waves travel through? solids, liquids and gases
What science studies earthquakes? seismology
Which theory says that if an earthquake hasn't occured on an active fault in a long time, then one is likely to have a strong one in the future? gap hypothesis
S-waves seismic waves that cause SIDE to SIDE movement of rocks
P-waves seismic waves that cause BACK and FORTH movement of rocks
epicenter point on earths surface directly above the starting point
focus point at which the earthquake starts
seismograph instrument that records seismic waves
seismogram tracing of the earthquake motion---made by the seismograph
S-P time method method used to find epicenter of an earthquake
aftershocks weaker earthquakes that follow stronger earthquakes
Created by: ellist
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