Question | Answer |
facts about the oceanic plate | less than 200 million years old.
denser
it can sink
it can be renewed or destryoyed |
adaptation for a fold mountain | built a zip-zap road on the side of the mountain
cut terraces for farming |
what caused the Montserrat eruption? | north American/ Caribbean plate at a destructive plate boundary |
Haiti earthquake: primary effects | around 100,000 houses were destroyed
220,000 people were killed
300,000 people injured |
Haiti earthquake: secondary effects | 1.3 million people left homeless
people moved into tents
2010 outbreak of cholera |
Haiti earthquake: long term response | temporary schools were created
I million people still homeless |
Haiti earthquake: immediate response | th UN sent troops, aid teams and set up a food cluster to feed many people. |
Montserrat eruption: primary effects | killed 23 people
over 5,000 people left the island
Plymouth became a ghost town
rivers were contaminated and damaged by lahars |
Montserrat eruption: secondary effects | tourist industry stopped
minerals were in the soil and they were made fertile
50% evacuated to the north of the island |
Montserrat eruption: long term responses | land became more fertile
established monitoring station |
Montserrat eruption: immediate responses | food
clean water
medical help
shelter
evacuation |
Northridge LA, MEDC earthquake: primary effects | 9,000 homes/businesses lost electricity supply
12,500 structures were severely damaged |
Northridge LA, MEDC earthquake: secondary effects | numerous fires caused by broken gas pipes
valley fever occurred affecting peoples lungs |
Northridge LA, MEDC earthquake: immediate responses | tents were sent up in parks
the red cross helped with food and shelter |
Northridge LA, MEDC earthquake: long term responses | more people have earthquake kits
80,000 housing units had been built in the area |
earthquake | a sudden and brief period of intense ground shaking |
the structure of the earth | the inner core
outer core
mantle
crust |
composite volcanoes | steep slope
infrequent eruptions
occurs on destructive plate boundary |
fact about the continental crust | more than 1500 million years old
less dense
can float
cannot be renewed or destroyed |
collision plate boundary | two continental plates of equal density squeeze upwards as none of them will sinks forming fold mountains and due to pressure, violent earthquake happens. |