Tohoku Earthquake *

Question 1

Mag

Answer 1

9.0

Question 2

Epicenter

Answer 2

130km off coast of Sendai

Question 3

Focus

Answer 3

24km

Question 4

Duration

Answer 4

3-5 minutes

Question 5

Time and Date

Answer 5

11/03/2011 at 14:46

Question 6

Nuclear power plant building design

Answer 6

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

Question 7

Tsunami speed

Answer 7

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

Question 8

Height of wave on cast

Answer 8

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

Question 9

Water flow inland

Answer 9

10km

Question 10

Buildings destroyed

Answer 10

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

Question 11

Deaths and homeless

Answer 11

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

Question 12

Nuclear reactors destroyed

Answer 12

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

Question 13

Evacuation

Answer 13

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

Question 14

Radiation levels

Answer 14

400mSv

Question 15

Preparedness before

Answer 15

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

Question 16

Living in shelter

Answer 16

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

Question 17

Japan experience of earthquakes

Answer 17

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