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Tectonic Hazards
The effects of earthquakes
(E) Japan & Nepal
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ali G
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Cards (10)
Japan
, March 2011
GNI 24th
out of 192 countries
HDI 19th
out of 189 countries
Nepal
, April 2015
GNI 163rd out of
192
countries
HDI
142nd
out of
189
countries
Cause
of earthquake in Japan
Sudden
slippage
between the
North American
Plate and the subducting Pacific Plate
Cause
of earthquake in Nepal
Indo-Australian
Plate colliding with the
Eurasian
plate
Size of the earthquake in Japan:
Magnitude
9.0,
shallow
focus (30km)
Size of earthquake in Nepal:
Magnitude
7.9, very
shallow
focus (15km)
Primary
effects in Japan:
Violent ground shaking caused many
injuries
and some deaths as buildings
collapsed
Thousands of
homes
destroyed
Power
, water,
sanitation
, and communications disrupted
Primary effects in
Nepal
:
9000 killed
,
20000 injured
and 3 million homeless
Widespread destruction of buildings and
infrastructure
- 3 million people left
homeless
Power,
water
,
sanitation
and communications cut
US
$
5 billion damage
Secondary effects in Japan:
10 m-high tsunami waves flooded 560 km^2, caused 18,000 deaths, and left 500,000 homeless
Significant destruction of port facilities, infrastructure, and homes, especially in Sendai
Explosions at Fukushima nuclear power plant led to evacuation of 100,000 people
US$ 235 billion damage
Secondary
effects in Nepal:
Communities cut off by
landslides
and
avalanches
- hampering relief efforts
Avalanches
on Mount
Everest
killed at least 19 people
An
avalanche
in the
Langtang
region left 250 missing
Flooding
threatened following a landslide blocking the
Kali Gandaki River
- many people evacuated