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Unformatted text preview: The larger the earthquake the longer the shaking goes on for as the rupture propagates from its starting point (the hypocenter) along the rupture zone. Ground shaking in large quakes may last 3-6 minutes. This causes collapse of adobe and brick buildings without internal structural reinforcement, building facades that are not structurally attached, and buildings in which structural walls do not support heavy roves or upper portions during the shaking. It is often said that “Buildings kill people, not earthquakes!” but earthquakes bring out the worst in many building which would otherwise be fine places to live. Figure 3A. This can happen. Figure 2B But this does not happen, except maybe in California....
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This note was uploaded on 03/02/2010 for the course GEOL 3950 taught by Professor Charles during the Spring '08 term at Colorado.
- Spring '08