What's an earthquake? Flashcards

1
Q

What is an Earthquake?

A

An earthquake is the vibration or shaking of the Earth’s crust due to the sudden movement of plates that release a large amount of energy/seismic waves(?)

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

How does an earthquake occur?

A

An earthquake occurs when rock masses move and change in position

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

As the rock masses change position…

A

The energy stored in the rock masses are release in the form of seismic waves

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

What’s a tectonic earthquake?

A

It is due to sudden movement of rocks or when two tectonic plates collide

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

What’s a volcanic earthquake?

A

It is due to the movement of magma in volcanoes

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

What are man-made earthquakes?

A

They are due to human activity

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