Transcript K-2 Starts Plate Tectonics

Plate Tectonics
and
Earthquakes
Our Planet
Plate tectonic maps and Continental drift animations by C. R. Scotese, PALEOMAP Project (www.scotese.com)
A look inside
Plate Boundaries
The Plates
Convection Cells
Hot Spots
Marine and Terrestrial Volcanoes
Subduction
Seafloor Spreading
Plate Collisions
Continental – Continental
collision
Himalaya Mountains
Oceanic – Oceanic
collision
Aleutian Islands
Continental – Oceanic
collision
Cascade Range
Our Planet (Today)
Plate tectonic maps and Continental drift animations by C. R. Scotese, PALEOMAP Project (www.scotese.com)
650 Million Years Ago
Plate tectonic maps and Continental drift animations by C. R. Scotese, PALEOMAP Project (www.scotese.com)
237 Million Years Ago
Plate tectonic maps and Continental drift animations by C. R. Scotese, PALEOMAP Project (www.scotese.com)
152 Million Years Ago
Plate tectonic maps and Continental drift animations by C. R. Scotese, PALEOMAP Project (www.scotese.com)
Back to Today
Plate tectonic maps and Continental drift animations by C. R. Scotese, PALEOMAP Project (www.scotese.com)
150 Million Years in the Future
Plate tectonic maps and Continental drift animations by C. R. Scotese, PALEOMAP Project (www.scotese.com)
250 Million Years in the Future
Plate tectonic maps and Continental drift animations by C. R. Scotese, PALEOMAP Project (www.scotese.com)
Plates in Motion
Plate movements from 750 MYA to Present:
http://www.ucmp.berkeley.edu/geology/tecall1_4.mov
Plate Tectonics in Motion
Motions along plate boundaries:
http://www.classzone.com/books/earth_science/terc/content/visualizations/es0804/es0
804page01.cfm?chapter_no=visualization
The San Andreas Fault
Earthquake Energy
Comparison of magnitude to energy released
Magnitude
Joules
Tons of TNT
Nuclear Bomb
Equivalence
4
2.20E+10
15
0.00
5
7.10E+11
475
0.02
6
2.20E+13
15,023
0.79
7
7.10E+14
475,063
25.00
8
2.20E+16
15,022,833
790.60
9
7.10E+17
475,063,712
25,003.30