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Jbaari Thompson
Earthquakes
11
Science
7th Grade
03/04/2014

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Term
Faults
Definition
When rocks break, they move along surfaces called faults.
Term
Earthquakes
Definition
An earthquake is the vibrations produced by the breaking of rock
Term
Normal Fault
Definition
Along a normal fault, rock above the fault surface moves downward in relation to rock below the fault surface.
Term
Reserve Fault
Definition
If rock breaks from forces pushing form opposite directions, rock above a reserve fault surface forced up and over the rock below the faults surface.
Term
Strike-Slip Fault
Definition
At a strike- slip fault, rocks on either side of the fault are moving past each other without much upward or downward movement.
Term
Where did the largest recent earthquake (over 4.5 on Richter scale)occur
Definition
California
Term
Have any occurred in the world in the last hour?
Definition
No
Term
How many earthquakes occur each year?
Definition
500,000 per year
Term
How many of them can actually be felt?
Definition
20%
Term
Where was the largest earthquake ever recorded?
Definition
Chile May 22 1916
Term
Where was the world's most deadly earthquake?
Definition
China
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