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CALIFORNIA EARTHQUAKE EXERCISE OCTOBER 21, 2010 Walter Hays, Global Alliance for Disaster Reduction, University of North Carolina, USA
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The California Earthquake Authority staged a statewide earthquake drill today (October 21 st ) to test Californians (and others throughout the world who participated) on their knowledge of earthquakes and earthquake safety.
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7.8 million registered participants, as of this morning, took part in the Great California Shake Out drill designed to challenge individuals, schools, businesses and hospitals to practice state-of-the-art seismic safety measures in anticipation of the next, inevitable big quake
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EARTHQUAKE SCENARIOS A DISASTER RISK REDUCTION TECHNIQUE APPLICABLE FOR ANY HIGH-RISK SEISMIC ZONE
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GOAL OF A SCENARIO EARTHQUAKE PREPARING FOR THE INEVITABLE BY INTEGRATING ALL ACCUMULATED KNOWLEDGE INTO A COHERENT RISK REDUCTION MODEL
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EXAMPLE: ONE OF THE WORLD’S WORST POTENTIAL EARTHQUAKE DISASTERS--- SOUTHERN CALIFORNIA (Concept Developed in 2008) Source: US Geological Survey, Southern California Earthquake Center, and local, regional, and national partners
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BASED ON KNOWLEDGE ACCUMULATED THROUGH MONITORING, RESEARCH, AND POSTEARTHQUAKE STUDIES
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RISK MANAGEMENT PREVENTION MITIGATION PREPAREDNESS PREDICTION AND WARNING EDUCATIONAL SURGES EMERGENCY RESPONSE RECOVERY RISK MANAGEMENT PREVENTION MITIGATION PREPAREDNESS PREDICTION AND WARNING EDUCATIONAL SURGES EMERGENCY RESPONSE RECOVERY EARTHQUAKE SCENARIO DISASTER RISK REDUCTION POSTDISASTER INVESTIGATIONS RESEARCH
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The Location of “The Big One” on the San Andreas Fault in 1857
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ELEMENTS OF A SCENARIO EARTHQUAKE FOR SOUTHERN CALIFORNIA Mw = 7.8 “The Big One”
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HAZARDSHAZARDS ELEMENTS OF A SCENARIO EXPOSUREEXPOSURE VULNERABILITYVULNERABILITY LOCATIONLOCATION RISKRISK
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ADVANCE PLANNING SO THAT CALIFORNIA WILL BE READY WHEN THE INEVITABLE “BIG ONES” RECUR Source: US Geological Survey
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Southern California is prone to earthquakes because of its location relative to the boundary between two major tectonic plates. Much of the stress release happens on the San Andreas fault.
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The goal of the ShakeOut Scenario is to identify the physical, social and economic consequences of a major earthquake in southern California, and in so doing, enable end users to identify what they can change now—before the earthquake—to avoid catastrophic impact after the inevitable “big one” recurs.
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LOS ANGELES.CA: 13.1 MILLION
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DAMAGEDAMAGE PHYSICAL EFFECTS CAUSE SOCIETAL IMPACTS AND RISK COLLAPSECOLLAPSE LOSS OF FUNCTION ECONOMIC LOSS RISKRISK
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The magnitude 7.8 ShakeOut earthquake causes about 1800 deaths and $213 billion of economic losses.
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These numbers are as low as they are because of aggressive retrofitting programs that have increased the seismic resistance of buildings, highways and lifelines, and added economic resiliency.
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The estimates of about 1800 deaths and $213 billion of economic losses are as large as they are because much more retrofitting could still be done.
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Public Safety and Security Response (ESF 13) Evacuee Case Management (ESFs 6 & 8)
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Economic and Community Recovery (ESF 15) Fire Protection (ESF 4)
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Critical Resource Logistics and Distribution (ESF 7) Restoration of Lifelines (ESFs 3 & 12)
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Hazardous Materials (ESF 10) Evacuee Case Mgmt / Family Reunification ) (ESF 6 & 8)
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To learn more about the Shake Out, and to register to be included in the official participation head count, visit www.shakeout.orgwww.shakeout.org
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