Earthquakes Flashcards
0
Q
Focus are…
A
Is the area beneath Earth’s surface where rock that is under stress breaks,triggering an earthquake.
1
Q
Earthquakes are…
A
A earthquake the shaking and trembling that results from the movement of rock beneath the earth’s surface
2
Q
Epicenter is…
A
The point on the surface directly above the focus.
3
Q
P waves are…
A
Seismic waves that compress and expand the ground like an accordion.
4
Q
S waves are…
A
Seismic wanes that vibrate from side to side as well back and forth.
5
Q
Surface waves are…
A
When move more slowly than p waves and S waves, but they produce severe ground movements.
6
Q
Richter are…
A
Is an rating of an earthquakes magnitude based on the sides of a seismic earthquakes waves.