Tohoku Earthquake and Tsunami

Question 1

whats the magnitude?

Answer 1

9

Question 2

when was it?

Answer 2

march 2011

Question 3

what percent of earthquakes happen in Japan?

Answer 3

30%

Question 4

how many tectonic pates does Japan sit on?

Answer 4

4

Question 5

why is the gap between waves important?

Answer 5

sensor can detect p waves give time people to react

Question 6

why do seismic waves amplify as they reach the ground surface?

Answer 6

sediment is softer, so they can travel through quicker

Question 7

what happened 3 mins after the quake?

Answer 7

tsunami

Question 8

how many tsunami waves were there?

Answer 8

10

Question 9

how far apart were the tsunami waves?

Answer 9

1km apart

Question 10

what happened. when the tsunami reach the coast?

Answer 10

waves grew in size, smaller waves caught up

Question 11

how long did it take for the tsunami reach the coast?

Answer 11

24 mins

Question 12

why did the 10m wall offer no defence?

Answer 12

water was higher - wave 10m and coast dropped 1m

Question 13

How did the landscape contribute to the tsunami ?

Answer 13

flat - kept going for 10km

Question 14

how does Japan tried to monitor and predict the earthquake?

Answer 14

station monitors, over 1000 recording tracking

Question 15

what happened in Japan in 1995?

Answer 15

Kobe earthquake - killed 6,000

Question 16

why was Japan 1995 so significant?

Answer 16

because mo one thought the city was at risk

Question 17

why is Japan so susceptible today?

Answer 17

38 million live greater Tokyo area, extended area on low land, expecting big earthquake