Impact assessment of the May 2010 eruption of Pacaya volcano, Guatemala

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Wardman, J.; Sword-Daniels, V.; Stewart, C.; Wilson, T. 2012 Impact assessment of the May 2010 eruption of Pacaya volcano, Guatemala. Lower Hutt, N.Z.: GNS Science. GNS Science report 2012/09 85 p.

Abstract: This report summarises the field observations and interpretations of a reconnaissance trip to Guatemala in September 2010. The purpose of this trip was to investigate the impacts of the 27 May 2010 eruption of Pacaya volcano, located approximately 30 km SSW of Guatemala City. This eruption was of particular interest as it presented an opportunity to study an event with parallels to an eruption of the Auckland Volcanic Field and its consequences for the city of Auckland. A further interesting feature of this event was that a major tropical storm arrived immediately after the eruption, providing an opportunity to study the interaction between two co-occurring natural disasters. The majority of the report is concerned with describing impacts of the tephra fall on Guatemala City, including on the underground drainage network, hospitals, electricity and water supplies, as well as the international airport. (auth/kc)