Contingency planning of Mount Bromo's cold lava flood in Probolinggo peri-urban areas

Probolinggo municipal is nearly located to Mount Bromo which may affected by cold lava flood as the impact of volcanic eruption. In the last eruption on 2015, twelve precincts are under risk of and affected by cold lava overflow. Contingency plan is required to increase the community awareness in affected area. This paper aims to formulate a comprehensive account of community-based cold lava flood contingency plan in Probolinggo peri-urban areas. The method used in this research based on common disaster-risk management process. The first step is identifying the damages and losses caused by cold lava flood. Then analyzing the evacuation routes, sectoral planning, and facility needs to formulate the contingency plan. The results then combined with the stakeholder's perception among governments, organizations, and communities through Focus Group Discussions. The finding shows that the impact level of cold lava flood is up to 1.25 meter high within 2 days and mainly affect Dringu River areas. Then, based on the Closest Distance Analysis, the selected evacuation route is 14 routes to an assembly point in the Karang Lor Gas Station, Wonoasih Military Headquarter Field, Kedunggaleng Field and Mastrip Sports Hall. Contingency plan consists of scenario, sectoral planning, facility needs, policies and strategies according to lava flood prevention sectors. Seven sectors are classified; consist of management and coordination, information and communication, evacuation and protection, health, refuge, infrastructure, and logistics distribution sector.