Introduction Flashcards
1
Q
What is an earthquake? (which one did you study?)
A
sudden movement in the crust. I studied the Japan earthquake of March 11th 2011
2
Q
How much did the earthquake measure? (Where was the epicentre?)
A
9.2 on the Richter scale. 80km off the east cost of Sendai.
3
Q
Depth and type
A
It was 32km in depth, so it was shallow. It was a megathrust earthquake
4
Q
Plates involved
A
the pacific plate (oceanic) collided with the Eurasian plate. The oceanic plate was pulled under. A 10 km deep trench marked the place of collision.
5
Q
Eurasian plate (what happened?)
A
pushed up by 8km along a 180km stretch of sea floor
6
Q
Previous shakes…
A
were felt in Rusia an China