Earthquakes And Seismic Waves Flashcards
0
Q
Focus
A
The focus is the area beneath the earths surface where rock that is under stress breaks triggering an earthquake.
1
Q
Earthquake
A
An earthquake is the shaking and trembling that results from the movement of rock beneath earths surface.
2
Q
Epicenter
A
The point on the surface directly above the focus is called the epicenter.
3
Q
P wave
A
A p wave are seismic waves that squeeze and expand the ground like an accordion.
4
Q
S wave
A
An S wave is a seismic wave that moves from side to side or up and down.
5
Q
Surface wave
A
A surface waves is a seismic wave and they move slowly but they can produce damaging ground movements.
