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.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

True or false : They occur at all plate boundaries?

A

True.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

How do the plates move?

A

Slowly.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

True or false: The plates never get stuck?

A

False- they get stuck most of the time.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
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.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

How many earthquakes occur each year?

A

About 100.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Approximately how many people die from earthquakes?

A

10,000

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What is the name of the measuring instrument that is used to record earthquake magnitude?

A

A seismograph.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly