Geology notes november 14 for exam 3

Geology notes november 14 for exam 3 - Geology The...

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The Charlestown earthquake of 1886, the largest to hit the southeastern United States and lasted just under a minute. The earthquake caused severe damage in Charleston, South Carolina, damaging 2,000 buildings and caused between 60 and 110 fatalities. Cold, dense oceanic lithosphere off eastern US is pulling down on the continental lithosphere. -That creates tension near the edge of the continent, which produces earthquakes. Earthquake causes -fires, building and bridge collapse, landslides, dam bursts, power lines broken, gas line and fuel storage tank breaks, water line breaks Earthquake fatalities have only a weak correlation to magnitude -Different locations have different hazards, different degrees of preparation, and different population density. The amount of shaking at any site is reported in terms of the Mercalli Intensity Scale Each earthquake has one Richter magnitude but the shaking as measure by the Mercalli intensity changes with distance from the epicenter The amount of shaking at a particular location is determined by. -earthquake magnitude
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Geology notes november 14 for exam 3 - Geology The...

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