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OCTOBER 21, 2010
Walter Hays, Global Alliance for Disaster Reduction, University of North Carolina, USA
The California Earthquake Authority staged a statewide earthquake drill today (October 21st) to test Californians (and others throughout the world who participated) on their knowledge of earthquakes and earthquake safety.
7.8 million registered participants, earthquake drill today 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
A DISASTER RISK REDUCTION TECHNIQUE APPLICABLE FOR ANY HIGH-RISK SEISMIC ZONE
PREPARING FOR THE INEVITABLE BY INTEGRATING ALL ACCUMULATED KNOWLEDGE INTO A COHERENT RISK REDUCTION MODEL
Source: US Geological Survey, Southern California Earthquake Center, and local, regional, and national partners
RESEARCH earthquake drill today
DISASTER RISK REDUCTION
The Location of “The Big One” on the San Andreas Fault in 1857
Mw = 7.8
“The Big One”
HAZARDS earthquake drill today
ELEMENTS OF A SCENARIO
ADVANCE PLANNING SO THAT CALIFORNIA WILL BE READY WHEN THE INEVITABLE “BIG ONES” RECUR
Source: US Geological Survey
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.
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 identifywhat they can change now—before the earthquake—to avoid catastrophic impact afterthe inevitable “big one” recurs.
DAMAGE earthquake drill today
LOSS OF FUNCTION
PHYSICAL EFFECTS CAUSE SOCIETAL IMPACTS AND RISK
The magnitude 7.8 ShakeOut earthquake causes about 1800 deaths and $213 billion ofeconomic losses.
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.
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.
Public Safety and Security Response (ESF 13)
Evacuee Case Management (ESFs 6 & 8)
Economic and Community Recovery (ESF 15)
Fire Protection (ESF 4)
Critical Resource Logistics and Distribution (ESF 7)
Restoration of Lifelines (ESFs 3 & 12)
Hazardous Materials (ESF 10)
Evacuee Case Mgmt / Family Reunification ) (ESF 6 & 8)