Chapter 6 Flashcards
1
Q
Push and pull waves
A
Primary Wave
2
Q
Trapped near the surface of the earth
A
Surface waves
3
Q
Rolling up and down motion
A
Rayleigh wave
4
Q
Bends and twists earth’s surface
A
Love wave
5
Q
Earthquake
A
Ground vibrationa that occur when blocks of rock within the earth move suddenly
6
Q
also called hypocenter
A
Focus
7
Q
Spot on the ground where movement is felt during earthquake
A
Epicenter
8
Q
What is a fault?
A
Cracks that forms when large blocks of rock break and move past each other
9
Q
Rocks move horizontally but in opposite direction
A
Strike-Slip fault
10
Q
Instrument used to record earthquakes
A
Seismograph