Earthquakes Flashcards
1
Q
What causes an earthquke?
A
an earthquake is caused by sudden slip on a fault and pressure builds up to cause an eruption
2
Q
What is the main function of the focus
A
is where the slip takes place, (which is below the earth’s surface)
3
Q
What is the main function of the epicentre
A
is the point where the surface is directly above the focus, (which is above the earth’s surface)
4
Q
What is the main function of the seismic wave
A
is where energy radiates out from the focus in all directions
5
Q
what is the ring of fire
A
the ring of fire holds up to 75% of all Earth’s volcanoes. It is also where most of the plates meet
6
Q
Which direction do lines of latitude run?
A
Horizontal
7
Q
Which direction do line of longitude run?
A
Vertical
