Japanese Tohoku Earthquake and Tsunami 2011

Description

A level Geography (Tectonic Hazards) Flashcards on Japanese Tohoku Earthquake and Tsunami 2011, created by Wesley Spearman on 01/12/2018.
Wesley Spearman
Flashcards by Wesley Spearman, updated more than 1 year ago
Wesley Spearman
Created by Wesley Spearman over 6 years ago
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Resource summary

Question Answer
What type of plate boundary is Japan located on? Destructive/Convergent
Whereabouts did the earthquake occur? Pacific Ocean. ~100km off Japanese east coast 6km deep focus
What was the magnitude of the earthquake? 9.0 Richter Scale Cat. 12 Mod. Mercalli Lasted 5 mins
How many casualties occurred as a result of the earthquake and tsunami? 15,891 deaths. 15,000+ missing
What were the short-term effects of the earthquake and tsunami? 46,000 buildings destroyed. 6.2 magnitude aftershock hit Tokyo. Oil and gas pipes broke, causing fires. Vehicles & ships deposited on buildings.
What happened to the Fukushima nuclear power plant? Cooling system failure. Went into level 7 meltdown. Radiation levels inside the plant 1,000x normal level. Radiation levels outside the plant 8x normal level.
What were the long-term effects of the earthquake and tsunami? Radioactive contamination of soil in the Fukushima prefecture -> contaminated livestock -> contaminated foodstuffs. Honshu moved ~2m eastwards. Debris not removed until 2015.
What management strategies were in place and what was Japan's response to the situation? Only country with a P-wave early warning system - warned people 1 min before earthquake, auto alerts on TV, radio and phones. Mobilisation of 100,000 members of Japanese Self-Defence Force. Red Cross & Red Crescent pledged aid. NGOs assisted with rescue and recovery missions and established relief funds.
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