LESSONS LEARNED FROM PAST NOTABLE DISASTERS JAPAN PART 1B: TSUNAMIS. Walter Hays, Global Alliance for Disaster Reduction, Vienna, Virginia, USA . NATURAL HAZARDS THAT PLACE JAPAN’S COMMUNITIES AT RISK. EARTHQUAKES/TSUNAMIS. GOAL: DISASTER RESILIENCE. TYPHOONS. FLOODS.
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Walter Hays, Global Alliance for Disaster Reduction, Vienna, Virginia, USA
GOAL: DISASTER RESILIENCE
ENACT AND IMPLEMENT POLICIES HAVING HIGH BENEFIT/COST FOR COMMUNITY RESILIENCE
GLOBAL CLIMATE CHANGE
EARTHQUAKES THAT GENERATE TSUNAMIS OCCUR FREQUENTLY IN JAPAN AS A RESULT OF COMPLEX SUBDUCTION OF THE PACIFIC, PHILIPPINE AND EURASIAN PLATES
GOAL: TSUNAMI DISASTER RESILIENCE
DATA BASES AND INFORMATION
HAZARDS: GROUND SHAKING GROUND FAILURE SURFACE FAULTING TECTONIC DEFORMATION TSUNAMI RUN UP AFTERSHOCKS
INADEQUATE RESISTANCE TO HORIZONTAL GROUND SHAKING
PERMANENT DISPLACEMENT (SURFACE FAULTING & GROUND FAILURE)
IRREGULARITIES IN ELEVATION AND PLAN
TSUNAMI WAVE RUNUP
POOR DETAILING AND WEAK CONSTRUCTION MATERIALS
FRAGILITY OF NON-STRUCTURAL ELEMENTS
HIGH VELOCITY IMPACT OF INCOMING WAVES
INLAND DISTANCE OF WAVE RUNUP
VERTICAL HEIGHT OF WAVE RUNUP
INADEQUATE RESISTANCE OF BUILDINGS
INADEQUATE HORIZONTAL AND VERTICAL EVACUATION
PROXIMITY TO SOURCE OF TSUNAMI
JUNE 16, 1964
MARCH 11, 2011
Wave run up reached 40 meters in some locations
EVACUATION AND MASS CARE
Immediately after the earthquake and tsunami, the Japanese Government began implementing its post- disaster response plans in a highly-charged, possible “nightmare nuclear disaster” environment.
69 COUNTRIES PROMISED HUMANITARIAN ASSISTANCE, BUT WERE STYMIED BY THE RISK FROM RADIATION, LACK OF GAS, AND WEATHER
Search and rescue operations, evacuations, and humanitarian assistance on local and global scales…All were limited by the possibility of a “nightmare nuclear disaster.”
All actions were conducted with knowledge of the high risk associated with the possibility of a significant radiation release and a nuclear melt down.