IOC Expert Missions

1
UNESCO IOC TSUNAMI PROGRAMME
TSUNAMI EARLY WARNING SYSTEMS
Hazard Risk Assessment

• IOC Expert Missions
• May-August, 2005

2
Hazard Reduction Strategy Assessment

• COMPONENT TECHNOLOGY PRODUCT
• ASSESSMENT Historical Studies Historical
  Database
• Field Surveys Inundation
  Maps
• Numerical Simul Evacuation Maps

3
Risk Assessment

• What is likelihood of occurrence?
• What is expected earthquake impact?
• What is expected tsunami impact along coast?
• Numerical modelling
• Need detailed bathymetry, topography
• TIME models (Tsunami Inundation
• Modeling Exchange)
• Runup inundation maps
• Evacuation maps

January 3, 2002 Mw7.1 Vanuatu earthquake and
tsunami
Tsunami record and Tsunami model based
on data
4
Model Results Scientific Products
5

• Assessment - Multiple Hazards Map
• Seismic Intensity (Modified Mercalli Scale)
• Tsunami Inundation potential
• Liquefaction susceptibility
• Landslide potential

Eureka, California
6
USGS, E. Giest
7
Assessment and Mitigation Empirical Evacuation
Maps
1. Post-Tsunami Scientific Survey - Data
Collected Runup, Inundation, Geology,
Structural Damage Eyewitness observations
wave arrival, behavior 2. Satellite Imagery
(before and after) 3. Synthesize gt Tsunami
Event Flooding Map
8
Assessment and Mitigation Empirical Evacuation
Maps
4. Assuming worst case scenario, Considering
coastal topography and elevation, roads and
other easily managed walking paths, strength and
height of buildings Construct Tsunami
Evacuation Map Identify Tsunami
Shelters Construct Tsunami Evacuation Routes
9
Evacuation Maps Safe Routes

• Planning Elements
• Identify ALL Stakeholders
• Workshops with Local Residents
• Single Access Roads
• Congregation areas

Local tsunami evacuation maps developed based
on modeling, maps and local oral history
10

• Evacuation Planning
• Traffic Control
• Beach Evacuation

12
8
23
26
47
25
22
16
11

• State Evacuation Map Shows
  routes for Safe Public Exit

12
8
23
26
47
25
22
16
12
THANK YOU
ITIC Dr. Laura Kong
PTWC Dr. Charles McCreery
JMA Masahiro Yamamoto ITSU
ioc.unesco.org/itsu
www.tsunamiwave.info Chair Dr.
Francois Schindele IOC Dr.
Patricio Bernal IOC
Tsu Prog Peter Pisserssens
13
(No Transcript)