What Causes Earthquakes? Flashcards
0
Q
Plastic deformation has no ______ and is like ______ ____. It does not cause ___________.
A
Stress
Molded clay
Earthquakes
1
Q
Deformation
A
The change in the shape of a rock caused by stress
2
Q
Elastic rebound is like a stretched …
A
Rubber band
3
Q
If there is too much stress in elastic deformation, it will _____ and ________ ______.
A
Breaks
Releases energy
4
Q
Does elastic rebound go back to its original shape after it breaks?
A
Yes
5
Q
What is elastic rebound?
A
The sudden return of elastically deformed rock back to its original indeformed shape.
6
Q
Epicenter
A
The point on Earth’s surface directly above an earthquake’s starting point
7
Q
What is an earthquake’s focus?
A
The point along a fault at which there’s the first motion of earthquake
