earthquakes and geo-hazards Flashcards
1
Q
what is the crust?
A
the surface of earth
2
Q
what is the mantle?
A
the hot rock just below the crust
3
Q
what are the 2 layers below the mantle called?
A
the cores
4
Q
what is the crust cut up into?
A
tectonic plates
5
Q
what are the places where plates meet called?
A
plate boundaries
6
Q
what are faults?
A
where 2 plates rub together and stick
7
Q
when 1 of these plates slips what happens?
A
lots of energy is released causing an earthquake
8
Q
what are the 3 most common faults?
A
strike, divergent and convergent faults
9
Q
what are often found at divergent plate boundaries e.g. underwater ridge?
A
volcanoes