Earthquakes Flashcards
(8 cards)
1
Q
What are earthquakes?
A
Natural disasters that shake one of the the 8 plates which shakes the countries that the plate holds.
2
Q
True or false : They occur at all plate boundaries?
A
True.
3
Q
How do the plates move?
A
Slowly.
4
Q
True or false: The plates never get stuck?
A
False- they get stuck most of the time.
5
Q
How do earthquakes occur?
A
Pressure and tension build up overtime and when the pressure and tension is realeased and earthquake will occur.
6
Q
How many earthquakes occur each year?
A
About 100.
7
Q
Approximately how many people die from earthquakes?
A
10,000
8
Q
What is the name of the measuring instrument that is used to record earthquake magnitude?
A
A seismograph.