Numerical modeling of a landslide-generated tsunami following a potential explosion of the Montserrat volcano |
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| Institution: | 1. Dipartimento di Scienze, Università di Roma Tre, Largo San L. Murialdo 1, 00146 Roma, Italy;2. Dipartimento di Scienze della Terra, Sapienza Università di Roma, Piazzale Aldo Moro, 5, 00185 Roma, Italy;3. Istituto Nazionale di Geofisica e Vulcanologia, sede di Roma, Via di Vigna Murata 605, 00143 Roma, Italy;4. Escuela Centroamericana de Geología & Red Sismológica Nacional, Universidad de Costa Rica, Ciudad Universitaria Rodrigo Facio, Costa Rica;1. IPATEC (Instituto Andino-Patagónico de Tecnologías Biológicas y Geoambientales), CONICET/UNCO, Av. de los Pioneros 2350, 8400 S. C. de Bariloche, Argentina;2. Universidad Nacional del Comahue, Centro Regional Universitario Bariloche, Quintral 1250, 8400 S.C. de Bariloche, Argentina;3. IADO (Instituto Argentino de Oceanografía), CONICET/UNS, La Carrindanga km 7, 8000 Bahía Blanca, Argentina;4. Universidad Tecnológica Nacional, F.R. Bahía Blanca, 11 de abril 46, 8000 Bahía Blanca, Argentina;5. CONICET, CONAE (Comisión Nacional de Actividades Espaciales), Av. Paseo Colón 751, 1063 CABA, Argentina;1. Centre for Research in Earth and Space Science, York University, Petrie Science Building, 4700 Keele St, Toronto, M3J 1P3, ON, Canada;2. Austrian Space Forum, Sillufer 3a, Innsbruck, 6020, Austria;3. Departamento de Física de la Materia Condensada, Cristalografía y Mineralogía. Universidad de Valladolid, P de Belén 7, 47011, Valladolid, Spain;4. Departamento de Biología Animal, Edafología y Geología, Universidad de La Laguna, Tenerife, C/ Astrofisco Sanchez s/n, 38211, La Laguna, Santa Cruz de Tenerife, Spain;5. Dinámica Terrestre y Observación de la Tierra, Instituto de Geociencias, C/Severo Ochoa 7, Ed Entrepabellones 7 y 8, Ciudad Universitaria, 28040 Madrid, Spain;1. ADECAL Technopole, ZoNéCo Research Program, Nouméa, New Caledonia;2. Geological Survey of New Caledonia, DIMENC, BP 465, 98845 Nouméa, New Caledonia;3. Ifremer, Géosciences Marines, CS 10070, 29280 Plouzané, France |
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| Abstract: | The explosion of the Montserrat volcano (Caribbean Sea) could trigger a major landslide and lead to the generation of a tsunami in the Caribbean Sea. In the worst case scenario, the volume of material reaching the sea has been estimated at 80 millions of cubic meters. The sliding of this mass and the generation of the associated tsunami have been simulated numerically, assuming that the debris behave like a heavy fluid flowing into the sea. The numerical model solves the 3D Navier-Stokes equations for a mixture composed of rocks and water. The generated water waves is then propagated around the coast of Montserrat by means of a shallow water model. The numerical results show that the water heights above sea level are higher than 5 meters within a radius of 5 km of the source. |
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