EESA06H3 Lecture 8: Lecture 8
Document Summary
Lecture 8 y shallow water that separates philippines plate. y problem was: these are vectors, shows direction in which japan moved because of eq. shows how much it moved. They are the gps vectors the red line that shows where japan moved. The plates are locked and want to move. If you lock 2 plates together you build up stress and the normal plate movement is 2 and a half 3 cm an year. You build up 1000 years of stress in the rock and it exceeds the strength of two plates locked together. Japan goes east and pacific plate underneath goes west. y uplift of offshore area. You are tilting up the whole ocean floor just offshore. Tsunami that went to pacific was small but the one that went the other way, because the crust came up and titled the other way was severe. y overriding plates come up. y 120 mc.
