Natural Hazards and Earth System Sciences

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Nat. Hazards Earth Syst. Sci., 10, 589-604, 2010
www.nat-hazards-earth-syst-sci.net/10/589/2010/
doi:10.5194/nhess-10-589-2010
© Author(s) 2010. This work is distributed
under the Creative Commons Attribution 3.0 License.

Landslide tsunami hazard in the Indonesian Sunda Arc

S. Brune1, A. Y. Babeyko1, S. Ladage2, and S. V. Sobolev1
1Deutsches GeoForschungsZentrum GFZ, Telegrafenberg, 14473 Potsdam, Germany
2Bundesanstalt für Geowissenschaften und Rohstoffe (BGR), Stilleweg 2, 30655 Hannover, Germany

Abstract. The Indonesian archipelago is known for the occurrence of catastrophic earthquake-generated tsunamis along the Sunda Arc. The tsunami hazard associated with submarine landslides however has not been fully addressed. In this paper, we compile the known tsunamigenic events where landslide involvement is certain and summarize the properties of published landslides that were identified with geophysical methods. We depict novel mass movements, found in newly available bathymetry, and determine their key parameters. Using numerical modeling, we compute possible tsunami scenarios. Furthermore, we propose a way of identifying landslide tsunamis using an array of few buoys with bottom pressure units.

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Citation: Brune, S., Babeyko, A. Y., Ladage, S., and Sobolev, S. V.: Landslide tsunami hazard in the Indonesian Sunda Arc, Nat. Hazards Earth Syst. Sci., 10, 589-604, doi:10.5194/nhess-10-589-2010, 2010.   Bibtex   EndNote   Reference Manager    XML
 

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