Tohoku earthquake 2011 Flashcards
1
Q
where is Tohoku?
A
north east japan
2
Q
plate boundary underneath Tohoku?
A
movement along thrust fault near subduction zone between the pacific and North American plate
3
Q
Tohoku population
A
roughly 2.1 million
4
Q
primary impacts
A
social - 16000 dead, 3375 missing
economic - $300 billion dollars of damage, 78 bridges damaged 4,000 roads damaged
environmental - nuclear spills caused 200,000 people to be evacuated and local water and soil to be contaminated.
5
Q
secondary impacts?
A
- tsunami 39m high reached 10km inland causing major flooding
- fukushima power plant caused 200,000 people to be evacuated and caused contaminated water and soil
6
Q
what caused the Tsunami?
A
5-8 metre up thrust along a 180km long section of sea bed off the coast of Tohoku
7
Q
short term responses
A
- JSDF (Japanese self defence force) had drills for magnitude 6.0 earthquakes (michinoku alert)
- within 30 mins 11 military craft assess damage
- 1 min 20 seconds after earthquake all trains stopped without derailment, death or injury.
-470,000 evacuated
8
Q
long term responses
A
rebuilt Sendai airport
347km of Tohoku expressway destroyed, fixed by 24th march. provides links with Tokyo.
