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Earthquakes Around the World U.S. Geological Survey Walter D. Mooney Senior Research Geophysicist USGS, Menlo Park, CA
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Seismicity of the World
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Plate Tectonic Theory
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Global Seismic Hazard Map
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Saving Lives through Better Standards. Importance of Engineering Amplification of unconsolidated vs consolidated materials.
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Building Safer Structures
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Examples of Earthquakes in areas of High Seismic Risk Bhuj, India, January 26 th 2001 Kocaeli, Turkey, August 17 th 1999 Bam, Iran, December 26 th 2003 Niigata, Japan, October 23 rd 2004 Chi-Chi, Taiwan, 1999 San Francisco, 1906
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Bhuj Earthquake, India: Mw = 7.7 Only 0.5% global seismic moment release Bhuj, India, 2001 20.000 lives lost 200.000 people injured nearly 400.000 houses destroyed
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Bhuj, India
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Implications for Earthquake Risk from Historical Earthquakes The Izmit Earthquake, Turkey: Mw = 7.4
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Izmit Earthquake, Turkey
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Regional Tectonics Over 18,000 deaths 44,000 people injured Nearly 300,000 homes either damaged or collapsed
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The Bam Earthquake, Iran: Mw = 6.6
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2003/12/26 Ms6.6 Bam, Iran 15,000 deaths ~70% buildings destroyed or damaged
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Niigata Earthquake, Japan : Mw = 6.6
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Niigata Earthquake, Japan
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San Francisco Earthquake, 1906
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Marina district of San Francisco built on “fill land” after 1906 earthquake
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Modified after Lee,1994 and Teng, 1990) 1999 Chi-Chi Earthquake, Taiwan: Mw = 7.6
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Chi-Chi Earthquake, Taiwan Historic Seismicity with depth
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