Detailed text transcripts for TV channel - CNN - 20100227:13:26:00
The sumatra earthquake. >> haiti was a slip fall where the plates were sliding past. this is a suwduction, the oceanic plate, denser than the south america plate, is subducting beneath the continent. that's similar situation to sumatra in 2004. and those plate boundaries tend to produce the biggest earthquakes because there's the most crust, the area of the crust is largest dipping down beneath the earth. so there's the largest area that can rupture during the earthquakes. that's why you get the large magnitude 8 and 9 earthquakes in subduction zone settings. >> i don't want to get into the nu...
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