Tsunami disaster risk reduction activities through thecollaboration among school, community and local
government -Japanese experience

Genta Nakano (Dr.)
Disaster Prevention Research InstituteKyoto University, Japan1

Potential Nankai Trough Earthquake and Tsunami
Tsunami height (at high tide)

1605 Keicho Earthquake
102 years
1707 Hoei Earthquake
147 years
1854 Ansei-Nankai Earthquake
92 years
1946 Showa-Nankai Earthquake

When next earthquake occur?
 Next 30 years with a 70 to 80% probability
 Estimated tsunami height: 34 m
 Arrival of the first tsunami wave: a few minutes after the earthquake2

Okitsu community, Shimanto Town, Kochi Prefecture.

"Gurumi Group"（"gurumi" means "among all."）
Okitsu Community
Voluntary Disaster
Prevention Organization（Local residents）.

Okitsu PrimaryschoolShimanto town
gov’t

Kyoto University3Elaboration of BOSAI map each year
• The fifth and sixth graders elaborate the BOSAI map eachyear for 20 years• Students think about the necessary tsunami evacuation
measures from the perspective of the residents (elderly,small children, etc.).
• Students share the BOSAI map with residents and local
government through the presentation.

4

Year ofproduction

Subject

2003

Elaborate the first BOSAI map

2005

Identify tsunami evacuation sites

2009

Identify tsunami height of each place

2010

Identify landslide and landslide risk

2011

Measure the time required for evacuation.

2015

Find out the risk on the evacuation route (day andnight version).

2018

Turn the map into a game.

5

Multiple impacts of BOSAI map

Retrofitting of the bridge overevacuation route

Increased percentage of parents
participating in drill
Placement of phosphorescentmarkers on the evacuation route→ They glow at night

Transfer to high places of day care centerand nursery school

Improved evacuation signage
Indication of tsunami arrival time6

Storage(Local gov’t + Community)

Construction of the tower(Local gov’t）

Elaboration of the evacuation center
operation manual(Local gov’t + Community)

Construction of evacuationroutes (Local gov’t)

Subsidy for seismic reinforcement ofbrick walls and housing(Local gov’t)

Evacuation drill
7(Local gov’t + School + Community)

Okitsu community, Shimanto Town, Kochi Prefecture.

"Gurumi Group"（"gurumi" means "among all."）
Okitsu Community
Voluntary Disaster
Prevention Organization（Local residents）.

••

Okitsu Primaryschool

Promote DRR measures of•the local community to protect
the lives
Linking school, municipality
and expert••

Educate students toprotect themselves fromearthquakes andtsunamis.
Promote their proactive
learning through DRR
education
Encourage exchange
between students andcommunity

Shimanto town
gov’t••

Carry out infrastructure
improvements taking into
account the opinions ofschools and residents.
Provide specialized
information on seismic
and tsunami disaster riskKyoto University••

Provide specialized
information on seismic
and tsunami disaster
Support DRR education inschool and community

Keywords: Collaborative model / School-centered disaster risk reduction activities
8/ Disaster risk reduction education

HoweverCollaborative model

Primary school and junior high school are closed at a rate of 100 and 50 schools
Uncertainty
in needs
Active participation
respectively
each year dueDiversity
to depopulation

SchoolSchool
closedExpert

Enhance the capacity fordisaster risk reduction

CommunityLocal
gov’t
9From “School-driven” to “Community-driven”

https://youtu.be/YiE7-EmEr34
Passing the torch of DRR from children to community

10

Thank you very much

Genta Nakano (Dr.)
Disaster Prevention Research InstituteKyoto University, Japan11