Earth Hazards Flashcards
How high were the foreshocks in Japan?
7.2
What magnitude was the EQ in Japan?
9 mw
When was the EQ in Japan?
11th March 2011
How many aftershocks were there in Japan? What magnitude?
Three on same day as main EQ at 7mw. Up to 500 in week after.
How high were the tsunami waves in Japan?
20m
How many estimated killed and confirmed killed in Japan EQ/tsunami?
27,500 estimated, 13,000 confirmed. (Most due to drowning, 60% were over 65- live on coast)
How many people had power cuts in Japan?
4 million
How high was the sea wall to protect fukishima?
6m
How many seismometers are there in Japan?
1,000
Why did the warning systems and monitors not help in Japan?
Under-predicted the disaster. Predicted the region having a magnitude of 7.7 with only 30-40% chance of there being one in the next 10 years!
Facts about sea wall built in Japan that failed?
Completed in 2008, after 30 years, 2km long, 8m high, 20m thick costing $1.4 billion!
How much money did Japanese govt put aside to spend on reconstruction but spent on other things?
$9.1 billion
How much would sky village islands cost each?
£160 million
When was the EQ in Sichuan?
12th may 2008
What was the EQ on Richter scale in Sichuan?
7.8
How long was there aftershocks for after Sichuan EQ?
5 mins
How many buildings collapsed? Damaged?
5.4 million collapsed, 21 million damaged.
How many people killed in Sichuan?
90,000
How many injured in Sichuan?
375,000
How many homeless in Sichuan?
5 million
How many in poverty in sichuan?
1.4 million
How much did the destruction cost in Sichuan?
$150 billion