Tectonics - Tohuku Tsunami Flashcards
date
march 2011
richter scale
7.2
aftershock
9.0 magnitude
location
east coast of Japan
plate margin
convergent destructive
pacific plate subducted under Eurasian plate
movement of plate
over 9m upwards
wave height
40 metres
speed of onset
10 minutes
wave distance
10km inland
speed of waves
500mph
5 miles per second
jet aircraft speed
evacuation
over 200,000
death toll
over 15,000
evacuation facilites
within 10 days over 450,000
tons of rubble and debris
25 million
aviation
Sendai airport unusable within minutes
sea defences
18ft sea wall destroyed, worlds largest and deepest
japanese red cross
appealed for aid funds within hours of disasters
temporary housing
700,000 prefabricated homes
nuclear station
50 volunteer nuclear power station workers remained to cool down battling system, stopped widespread radioactive leakage
governance
japan experiences 20% of worlds earthquakes, developed country so had systems in place
tokyo on quadruple tectonic junction with population of 20 million
A03 of disaster magnitude
scale of destruction was too great to manage, no matter responses or preparation