Seismicity case study: Sendai Earthquake and Tsunami, 11th March 2011 Flashcards
1
Q
What percentage of the worlds earthquakes of over magnitude 6 does Japan experience?
A
20%
2
Q
Japan is a highly ? active section
A
seismically
3
Q
By how much did the eurasian plate lift?
A
9.2 metres
4
Q
How far eastwards did the Eurasian plate move?
A
2.4metres
5
Q
What was the richter scale of the earthquake?
A
9
6
Q
It was the ? most powerful earthquake ever recorded globally
A
5th
7
Q
How far was the epicentre and focus from sendai?
A
e = 130km east, f=32km below sea level
8
Q
How fast did the tsunami travel?
A
800 kph (speed of a jet aircraft)
9
Q
How long did it take the tsunami to reach the coast of Japan?
A
10 minutes
10
Q
What height did the tsunami reach in some places?
A
40 metres
11
Q
How far inland did the tsunami flow?
A
10 km
