Tectonic hazards

Question 1

what is a tectonic hazard?

Answer 1

threats caused by the movement of tectonic plates that have the potential to cause damage to life, property, the environment, human activity and or the economy

Question 2

where do hazards mainly occur?

Answer 2

where the earths major plate boundaries meet
the movement occurs by convection currents in the earths mantle

Question 3

distribution of earthquakes

Answer 3

80% of major earthquakes occur in the pacific ring of fire. this is where the pacific plate is subducted beneath surrounding plates
mid atlantic ridge- underwater mt range- n american and eurasian plate
the alpide earthquake belt is where 17% of the earths major earthquakes. eurasian and african plate

Question 4

example of earthquake in the pacific ring of fire

Answer 4

boxing day earthquake 2004
9.0 on richter scale

Question 5

example of an earthquake in the alpide earthquake belt

Answer 5

sumatra earthquake 2005
9.1 on richter scale

Question 6

distribution of volcanoes

Answer 6

mostly on divergent and convergent plate boundaries
75% in ring of fire
others occur away from plate boundaries (hotspots)

Question 7

example of volcano in ring of fire

Answer 7

mt pinatobu

Question 8

example of hotspot volcano

Answer 8

yellow stone

Question 9

distribution of tsunamis

Answer 9

convergent plate
70% in ring of fire
15% in the med