Welcome back guys! In episode #4, we examined plate tectonics theory. This theory quite literally revolutionized the study of geology and our understand of basic Earth processes. It helps us understand why mountains exist where they do. We now know why earthquakes occur and why. We have a much better understanding of volcanoes and why the continents look they way they do. It answers nearly all the questions we have about the Earth's crust! It's that important! This is a must-listen, since it forms the very foundation of Earth science... no pun intended... okay, it was :(

Helpful Links for you:

1) http://www.ucmp.berkeley.edu/geology/tectonics.html - Great animations!
2) http://en.wikipedia.org/wiki/Plate_tectonics
3) http://www.seismo.unr.edu/ftp/pub/louie/class/100/plate-tectonics.html
4) http://www.cvcsd.stier.org/seismometer/data.html - My own seismograph's data updated every 10 minutes, year 'round!

Our podcast feed: http://www.cvcsd.stier.org/Podcast/mbreed/Secure/Uploads/lgdtesci.xml