Effective Early Warning use of hazard maps as a tool for effective risk communication among policyma

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Effective Early Warning - use of hazard maps as
a tool for effective risk communication among
policymakers and communities -
Second International Conference on Early Warning
(EWCII)Bonn, Germany
Session organized by the Government of Japan
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Risk Perception Gap
Recognized Risk
Actual Risk
Risk
Risk
Big Gap
Need for Generating Realistic Disaster Scenario
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Less Community Awareness
Development of Early Warning Tech.
Volcanic Eruption Warning!
Which way to be taken?
Flood Warning!
What to do?
Where to go?
Tsunami Warning!
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Hazard Mapping as a Tool for Effective Early
Warning

Safe Evacuation Route
Early Warning

Understanding of Hazardous Areas
Appropriate Risk Awaweness of Local Communities
Safe Evacuation
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• Ri sk Analysis

Develpment of Early Warning
Effective Use of Hazard Map
Appropriate Risk Awareness of Local Communities
Risk Communication Using Local Knowledge and
Structure
Reduce Damage by Disasters
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Hazard Mapping is a tool for Effective Risk
Communication

Effective Early Warning
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Risk Awareness makes the difference.
Ratio of Evacuation
Approximately One Hour
1.5 times
Those who did not see the Hazard Map
30
20
Those who sawthe Hazard Map
10
0
Those who sawthe Hazard Map
Those who did not see the Hazard Map
Advice to evacuate
Order to evacuate
Ratio of Evacuation Six hours after advice to
evacuate
Peak of Evacuation after advice to evacuate
Source Survey Report on Local Residents
Reactions in the Rainstorm in Koriyama
at the End of August 1998, Katada Laboratory,
Faculty of Engineering, Gunma Univ.
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Risk Awareness makes the difference.
- Bangladeshs Leading Example -

• In 1970, half a million people died in one
  cyclone
• Cyclone Preparedness Programme safely evacuated
  2.5 million people during 5 cyclones in 1990s

Source International Federation of Red Cross and
Red Crescent Societies