HAZARDS

Question 1

Natural hazard

Answer 1

a natural event which has the potential to pose a SERIOUS THREAT TO HUMAN LIFE and property

Question 2

Hazard risk

Answer 2

the probability or chance that a natural hazard may take place

Question 3

tectonic hazard

Answer 3

occur when the earths crust moves

Question 4

climatic hazards

Answer 4

occur when a region has certain weather conditions

Question 5

EXAM ANNSWER!! distribution of earthquakes and volcanoes

Answer 5

earthquakes and volcanoes can often be found in linear patterns (1) along plate boundaries (1) 90 percent of earthquakes are on or near plate margined and 95 percent of volcanoes (1)

Question 6

CONTRUCTIVE/divergent movement

Answer 6

when two plates move APART. magma fills the gap to cool and “CONSTRUCT” new rock. CONVECTION CURRENTS usually pull OCIEANIC PLATES apart at a constructive plate boundary . RIDGE PUSH HAPPENS

Question 7

DESTRUCTIVE movement

Answer 7

when a OCEANIC AND CONTINENTAL PLATE move TOWARDS eachother. the MORE DENSE oceanic plate subduction into the mantle. the oceanic plate melts to create magma. the continental plate CRUMPLES up to form a fold. most violent. EARTHQUAKES AND VOLCANOES

Question 8

CONSERVATIVE movement

Answer 8

when two plates SLIDE PAST EACHOTHER a long a fault. NO VOLCANOES. YES EARTHQUAKES. ‘san andreas fault in california’

Question 9

EXAM ANSWER!! convection current

Answer 9

plates move because of convection currents (1) in the mantle, heat from the core causes magma to rise and push the plates apart where two oceanic plates meet (ridge push) (1) where convection currents go DOWN they pull oceanic crust into subduction zones (slab pull) (1)

SIMPLE: UP:RIDGE PUSH
DOWN:SLAB PULL

Question 10

impacts of nepal earthquake

Answer 10

AVALANCHE!!!!!!!!!!!
8500 dead
19000 injured
1.7 million children homeles
long term damage to buildings

triggered an AVALANCHE killing 20 people.

basic infrastructure damages

Question 11

christchurch effects

Answer 11

3500 homes destroyed
6700 injured
185 dead
loss of water and power

Question 12

nepal response

Answer 12

over 100 search and rescue, medical professionals and disaster experts sent

‘tent city’

reduce poverty to build earthquake proof houses

earthquake drills

Question 13

Christchurch responses

Answer 13

night time curfew to prevent looting
1/5 people left
temporary housing
7 million dollars in foreign aid

Question 14

why live in tectonically hazardous areas G!

Answer 14

tourism
farming/fertile land
good jobs
country is prepared
sulphur mining
geothermal energy supply

Question 15

pressures

Answer 15

WARM AIR: low pressure
COLD AIR: high pressure

Question 16

tropical storm

Answer 16

hurricanes, cyclones, typhoons. very intense areas of very low pressure/rising airs. approximately 500-1000 km wide

Question 17

tropical storm form

Answer 17

over 27c water. 50 m deep. between two tropics of equator

Question 18

the eye

Answer 18

clear sky low wind etc centre

Question 19

eye wall

Answer 19

maximum wind speed up to 225

Question 20

spiral rain bands

Answer 20

outer edge. 70 mph with rain

Question 21

ANTI CLOCKWISE IN NORTHERN HEMISPHERE

Question 22

typhoon haiyan facts

Answer 22

philippines. november 8th
195mph
category 5 simpson scale
tacloban
3 days

Question 23

haiyan affects

Answer 23

food sources
buildings
30000 fishing boats
6mil lost source of income
landslides blocked roads for aid
crime rates increased

Question 24

haiyan responses

Answer 24

food supplies
1200 evacuation centres
basic food aid
cash for work
cyclone shelters
rebuilding

Question 25

ik weather hazards

Answer 25

thunderstorms
snowfall
winds
heat waves

Question 26

beast from the east causes

Answer 26

cold air met warm air. warm air condensed into clouds
serbian eastern cold
storm emma warm northern

Question 27

beast from the east impacts

Answer 27

50 cm snow
gas deficit
nhs cancelled operations
red earninfs
people blocked into homes
flights cancelled - economical