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515414
earthquakes and tsunami
Description
GCSE geography (tectonic activity) Mind Map on earthquakes and tsunami, created by wilson2404 on 01/30/2014.
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geography
tectonic activity
gcse
Mind Map by
wilson2404
, updated more than 1 year ago
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Created by
wilson2404
almost 11 years ago
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Resource summary
earthquakes and tsunami
kope, japan, 1995
rich part of the world
richer scale 7.2
on a destructive plate margin
primary effect
200,000 buildings were destroyed
roads and railway lines were destroyed
secondary effect
large fires broke out due to broken gas pipes
5500 people died; 300,000 were made homelesss
Pakistan, 2005
poor part of the world
79,000+ people killed. 100,000 injured. 3.3 million left homeless.
7.6 Richter scale
destructive plate margin
primary effects.
over 1 million buildings were destroyed
rural areas because inaccessible by road
secondary effect.
disease spread due to lack of water/ healthcare
73, 000 died; 3 million were made homeless
causes of earthquak
3) stored energy is released in just seconds and travels outwards from the epicentre as shock waves
2) suddenly, the crustal rock breaks underground at a weak point in he rock (focus)
1) plates are locked together by friction, and pressure builds over many years
boxing day tsunami
2004, 26 december
richer scale, 9.2
destructive plate margin
this effected a lot of country's
effects
11 countries, including Indonesia, sir lank, India, and tialand were affected.
1.7 million people were made homeless
230,000 people were confirmed dead or missing
a series of tsunamis spread out from the site of the earthquakes, travelling 500mph across the India ocean.
as the waves approached the coast line, they slued and rose to 30m high.
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