Tsunami-Japan 2011 Flashcards
(21 cards)
How many earthquakes does japan have a year?
1500
How much did the earthquake move the island of Honshu?
2.4 metres closer to North America
How much did the earthquake shift the earths axis?
10 cm
How much shorter were earths days made?
1.8 microseconds
How much icebergs were carved in Antarctica?
125 square km
What magnitude was the earthquake?
9.0
When is the earthquake occur?
2:46pm Friday 11 March
How was the earthquake caused?
400-500km segment of North American plate that was dragged down slipped upwards 5-10 metres
What did the earthquake cause?
A tsunami that spread at hundreds of km/h
How long did people have to escape
30 minutes
How tall did some waves get?
40.5 metres
How far inland did the tsunami go?
10km
Primary effects?
• Ground shaking caused building collapse
• Flooded 500 sq km
• Skyscrapers shook violently
How many died?
Over 18,000
How many people made homeless?
500,000
How many homes without water?
1 million
How many homes without electricity?
6 million
How many aftershocks were there?
700
What nearly happened at the Nuclear power plant?
Nuclear meltdown
What were the immediate responses?
• Searches for survivors
• 100,000 soldiers mobilised
• Offers of aid
• UK sent search and rescue specialists
• Exclusion zone around Fukushima
• No reports of looting
Long term responses?
• Future contingency planning discussed
• New warning system in 2013
• Rebuilding encouraged
• Nuclear plants shut down
• 100,000 residents still not returned
• Nuclear waste still needs removing
• $300 billion in damage
