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Transcript of Plate tectonics
In 2010 Haiti experienced one of the world's most destructive natural disasters. A magnitude 7.0 earthquake.
collision of earth plates
release of energy from the
Enriquillo- Plaintain Garden fault system.
what is a fault?
Converging plates react like a car crash. When the two cars collide the front end will fold and bend against the other car. Just like the plates will do when they come head on at each other. This folding and bending causes rock in both plates to break and slip which creates earthquakes.
death toll: 230,000
still 85,432 people don't have a home
1 and a half million people homeless after the quake
This type of collision occurred between the oceanic Nazca Plate and the South American Plate. The collision formed....
* the Andes mountains
* volcanic mountains
* a deep trench
movement of continents
"It's just as if we were to refit the torn pieces of a newspaper by matching their edges and then check whether the lines of print ran smoothly across. If they do, there is nothing left but to conclude that the pieces were in fact joined this way."
~ Alfred Wegener
90% of earth's earthquakes happen here.
contains 75% of all active volcanoes
Ring of Fire
Mid- Atlantic Ridge