Tohoku Earthquake * Flashcards Preview

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Flashcards in Tohoku Earthquake * Deck (17)
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1
Q

Mag

A

9.0

2
Q

Epicenter

A

130km off coast of Sendai

3
Q

Focus

A

24km

4
Q

Duration

A

3-5 minutes

5
Q

Time and Date

A

11/03/2011 at 14:46

6
Q

Nuclear power plant building design

A

The reactors were built to withstand a 7.0 magnitude earthquake but they weren’t designed for a tsunami

7
Q

Tsunami speed

A

800km wave, took 10 mins to reach coast of Japan

8
Q

Height of wave on cast

A

Shallow sea bed caused the wave to get higher reaching 40m in some places.

9
Q

Water flow inland

A

10km

10
Q

Buildings destroyed

A

112,000 - 95% of Minami Sanriko buildings destroyed.

11
Q

Deaths and homeless

A

10,000 death toll estimate and 500,000 homeless.

12
Q

Nuclear reactors destroyed

A

43 of 54 reactors were out of operation - biggest nuclear accident since Chernobyl.

13
Q

Evacuation

A

Local people within 20km of plant and weren’t allowed back for 6 months.

14
Q

Radiation levels

A

400mSv

15
Q

Preparedness before

A

Students have helmets; evacuation drills; 5.5m wall. Evac of old people’s homes and evac to higher ground.

16
Q

Living in shelter

A

425,000 living in shelters within 10 days, these with inadequate and led to hypothermia.

17
Q

Japan experience of earthquakes

A

Japan experiences 20% of the world’s earthquake of mag 6.0 or greater.