MAP20071504945 Leung, M. F. Risk modeling, assessment, and management of lahar flow threat / M. F. Leung, J. R. Santos and Y. Y. Haimes The 1991 eruption of Mount Pinatubo inthe Philippines is considered one of the most violen and destructive volcanic activities in the 20th century. Lahar is the Indonesian term for volcanic ash, and lahar flows resulting from the massive amount of volcanic materials deposited on the mountain's slope posed continued post-eruption threats to the surrounding areas, destroying lives, homes, agricultural products and infrastructures. This article address the issues surrounding the failure to use scientific information in the disaster mitigation policy-malting process En: Risk analysis : an international journal. - New York and London : Society for Risk Analysis. - Vol. 23, nº 6, December, 2003 ; p. 1323-1335 1. Gerencia de riesgos . 2. Quantified Risk Assessment . 3. Análisis de riesgos . 4. Análisis de multivariables . 5. Volcanes . 6. Erupciones volcánicas . 7. Riesgos extraordinarios . 8. Evaluación de riesgos . 9. Costes económicos . 10. Información científica . I. Santos, J. R. . II. Haimes, Yacov Y. . III. Title.