MARCH 11-14, 2011 EXAMPLES OF NO PLACE TO GO AND NO ONE TO RESCUE JAPAN AFTER 2:46 PM, MARCH 11...
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Transcript of MARCH 11-14, 2011 EXAMPLES OF NO PLACE TO GO AND NO ONE TO RESCUE JAPAN AFTER 2:46 PM, MARCH 11...
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MARCH 11-14, 2011EXAMPLES OF NO PLACE TO GO AND NO ONE TO
RESCUE
JAPAN
AFTER 2:46 PM, MARCH 11
Walter Hays, Global Alliance for Disaster Reduction, University of
North Carolina, USA
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THE EARTHQUAKE IS NOW A M9.0 EVENT
The MEGA-earthquake, which struck at 2:46 pm on Friday, March 11th, would have caused a disaster….
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THE EARTHQUAKE IS NOW A M9.0 EVENT
…BUT JAPAN was well prepared to cope with it.
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A 7-10 M TSUNAM FOLLOWED IN ABOUT 10 MINUTES
Japan was well prepared to cope with a tsunami, but ….
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A 7-10 M TSUNAM FOLLOWED IN ABOUT 10 MINUTES
This tsunami was devastating, inun-dating towns, im-mobilizing airports and roads, destroy-ing buildings, and treating everything (e.g., people, cars) in its path as debris.
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VERTICAL EVACUATION: ROOF OF SCHOOL BUILDING
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BACKGROUND
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TSUNAMI HAZARDS (AKA POTENTIAL DISASTER AGENTS)
• HIGH-VELOCITY, LONG-PERIOD WATER WAVES
• WAVE RUNUP • FLOODING• WAVE RETREAT• SHORELINE EROSION
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ADVANCE WARNING AND VERTICAL EVACUATION
ARE THE KEYS TO SURVIVING A TSUNAMI
ON MARCH 11TH, MANY PEOPLE HAD TOO LITTLE WARNING AND
NO PLACE TO GO
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NATURAL HAZARDS FOR WHICH NATURAL HAZARDS FOR WHICH EVACUATION IS TYPICALEVACUATION IS TYPICAL
NATURAL HAZARDS FOR WHICH NATURAL HAZARDS FOR WHICH EVACUATION IS TYPICALEVACUATION IS TYPICAL
FLOODS
HURRICANES
TYPHOONS
TSUNAMIS
VOLCANIC ERUPTIONS
WILDFIRES
HIGH BENEFIT/COST FOR SAVING LIVES, BUT LOW BENEFIT/COST FOR PROTECTING PROPERTY
HIGH BENEFIT/COST FOR SAVING LIVES, BUT LOW BENEFIT/COST FOR PROTECTING PROPERTY
GOAL: MOVE PEOPLE OUT GOAL: MOVE PEOPLE OUT OF HARM’S WAYOF HARM’S WAY
GOAL: MOVE PEOPLE OUT GOAL: MOVE PEOPLE OUT OF HARM’S WAYOF HARM’S WAY
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HIGH VELOCITY IMPACT OF INCOMING WAVES
TSUNAMIS TSUNAMIS
INLAND DISTANCE OF WAVE RUNUP
VERTICAL HEIGHT OF WAVE RUNUP
INADEQUATE RESISTANCE OF BUILDINGS
FLOODING
INADEQUATE HORIZONTAL AND VERTICAL EVACUATION
PROXIMITY TO SOURCE OF TSUNAMI
CAUSES OF DAMAGE
CAUSES OF DAMAGE
“DISASTER LABORATORIES”
“DISASTER LABORATORIES”
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MONITORING TECHNOLOGIES AND WARNING SYSTEMS ARE A VITAL PART OF THE STORY.
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KNOWING WHERE, WHEN, AND WHY A TSUNAMI OCCURS IS A VITAL PART OF THE ART
AND SCIENCE OF INTELLIGENT EVACUATION.
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INTELLIGENT EVACUATION:LEAVE THE AREA OR EVACUATE VERTICALLY
INTELLIGENT EVACUATION:LEAVE THE AREA OR EVACUATE VERTICALLY
• LEAVE, IF ENOUGH ADVANCE WARNING
• EVACUATE TO A TALL BUILDING OR A HIGHER ELEVATION TO GET BEYOND REACH OF THE TSUNAMI’S WAVE RUNUP.
• LEAVE, IF ENOUGH ADVANCE WARNING
• EVACUATE TO A TALL BUILDING OR A HIGHER ELEVATION TO GET BEYOND REACH OF THE TSUNAMI’S WAVE RUNUP.
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THE ART AND SCIENCE OF KNOWING WHEN TO EVACUATE
BEFORE A TSUNAMI WAVE ARRIVES AND WHERE TO GO
CAN BE THE DIFFERENCE BETWEEN LIFE AND DEATH.
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EVACUATION FOR A TSUNAMI IS COMPLICATED BY:
1) THE SHORT TIME BETWEEN THE EARTHQUAKE AND THE TSUNAMI
WAVE ARRIVAL, AND
2) DAMAGE AND LOSS OF FUNCTION TO BUILDINGS AND INFRASTRUCTURE CAUSED BY THE EARTHQUAKE AND
ITS AFTERSHOCK SEQUENCE.
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WHEN YOU CHOOSE NOT TO EVACUATE, OR YOU ARE
UNABLE TO EVACUATE, THE ODDS FOR SURVIVAL ARE
LOWER, BECAUSE ---
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YOU CAN’T OUTRUN OR DIVERT10-M-HIGH, DEBRIS-LADEN,
OCEAN WAVE THAT ARRIVES WITH A HIGH VELOCITY (E.G.,
30+ KM/HR) AND MOVES RAPIDLY INLAND
FOR 2-3 KM, OR MORE
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DETAILS OF THE STORY IN JAPAN
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TSUNAMI WAVES DEVASTATE SENDAI
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INUNDATION
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TSUNAMI DAMAGE
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TSUNAMI DAMAGE
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TSUNAMI DAMAGE
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SEARCH AND RESCUE IS OFTEN THE LAST BEST CHANCE FOR SURVIVAL,
BUT IT HAS LIMITS
ON MARCH 14TH, SOME SEARCH AND RESCUE TEAMS FOUND NO ONE TO RESCUE
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NATORI: NO ONE TO RESCUE; MARCH 14
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NATORI: NO ONE TO RESCUE EXCEPT A DOG; MARCH 14
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NO ONE TO RESCUE