Merapi Volcanic Risk Management at Sleman Regency
Activities of Merapi Volcanic Risk Management
The fact that Sleman Regency is one of the closest regions to Merapi
volcanic hazards has raise awareness of the local government to develop risk
management. Activities of Merapi volcanic risk management at Sleman Regency
can be classified based on disaster management which is risk assessment,
mitigation, and preparedness.
In term of risk assessment, activity of mapping the hazards of Merapi
Volcano essentially was conducted by Vulcanological Survey of Indonesia (VSI)
as the authorities on monitoring and analyzing Merapi Volcano movement. VSI
had started to compose the map since 1978 based on extensive research and
assessment of Merapis hazards. The most recent hazards map was published in
2002 with scale 1:50,000. The hazards map was compiled based on
geomorphology, geology, eruption history, distribution of previous eruption
products, field study. It detailed the types of volcanic hazards which cover
Central Java and Yogyakarta Special Province. Local government of Sleman
Regency makes use the hazard map to identify villages and sub-villages prone to
volcanic disaster and employ this as a basis to compile the risk map. Information
on hazard area is used to determine location of evacuation barracks or to select
which village appropriate for socialization activities.
The mitigation efforts consist of structural and non-structural mitigation.
Structural mitigation refers to any physical construction to reduce or avoid possible
impacts of Merapi volcanic hazards. It includes construction of bunkers, evacuation
barracks, evacuation roads and development of Early Warning System (EWS).
Non-structural mitigation related to other non-physical measures with the aim of
modifying the impacts of Merapi volcanic hazards on individuals and the
ANALYSIS OF SOLID WASTE Tandang Yuliadi
31
community. Efforts of the non-structural mitigation are formulation of the
regulation for Merapi Volcano disaster management, formation of standard
operating procedure for emergency response, and establishment of the contingency
plan.