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4-27, 4-29 - 4-27Wegener father of plate...

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Unformatted text preview: 4-27Wegener- father of plate tectonicshttp://www.ucmp.berkeley.edu/history/wegener.htmlHess- discovered, Guyots- remains of coral reefshttp://www.accessmylibrary.com/coms2/summary_0193-13943_ITM1963- Vines and MatthewsFound a spreading centerEarthquakesPacific Ocean – Ring of FireMost destructive of natural disastersCRED-Rapid on-set, short livedThey can trigger other disasters such as fires, and tsunamis 5,000-6,000/ year at 3.020/year at 7.0Inter plate quake- inbetween two platesoccur by plates animals can sense earthquakes better then humansIntra plate quake-occur on the plate,1811,1812, 8.0Pacific rim, most active place, almost ½ of the worlds earthquakes1886, Charleston, sc killed 100 people, divergent riff- in oceans, new ocean floor is being createdconvergent zone- two plates come togethershear- two plates slide pass each other at different speedsrichter – quantitave, amp of sizemic waves, logramithic, mercalli- qual4-2980% of earthquakes are shallow Focus- where the quake occurs...
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4-27, 4-29 - 4-27Wegener father of plate...

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