Abstract. In this paper we investigate the question not of how, but why people actively choose to live with continued exposure to considerable hazard. A field survey of the human volcano interaction at Bromo volcano was based on semi-structured interviews and focus group discussions. The recorded interviews were transcribed and analysed according to recurrent themes in the answers. The facts found from the field investigation were then confronted with the previous existing concepts. The result shows that the interaction between human and volcanic environment at Bromo volcano is multifaceted and complex. The Tengger people choose – rather than being forced – to live with volcanic hazards because they are not only exposed to its negative consequence, but also enjoy benefits and opportunities of physical, spiritual and socio-cultural nature that arise within the human-volcanic system. Following this perspective, the concept of risk itself must be revisited and expanded from a one-sided focus on hazardous processes to a more holistic view of risk that includes the various positive aspects that pertain to the entire system. The development of a generic human-volcanic system model could provide the basis for the development of an open risk concept.
An assessment of volcanic hazards to aviation – a case study from the 2009 Sarychev Peak eruption
