Modeling Submarine Landslide-Generated Waves in Lake Ohrid, Macedonia/Albania.

Lindhorst, K., Krastel, S., Papenberg, C. and Heidarzadeh, M. (2014) Modeling Submarine Landslide-Generated Waves in Lake Ohrid, Macedonia/Albania. In: Submarine Mass Movements and Their Consequences. . Advances in Natural and Technological Hazards Research (37). Springer International Publishing, Cham, pp. 497-506. ISBN 978-3-319-00971-1 DOI 10.1007/978-3-319-00972-8_44.

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We study potential tsunami hazards associated with submarine landslides in Lake Ohrid, Macedonia/Albania. The transboundary Lake Ohrid located on the Balkan Peninsula shared by Macedonia and Albania is considered to be the oldest- continuously existing lake in Europe (2–5 Ma), though the age and the origin are not completely unraveled to date. Previous studies by means of hydroacoustic methods have shown that the western margin of Lake Ohrid has a long history of mass wasting. Based on seismic data, slide deposits are found in different stratigraphic levels as well as on the lake floor where they have affected a large area. This study is focused on the well-studied Udenisht Slide Complex covering an area of 27 km2 within the southwestern part of Lake Ohrid. The Udenisht slide is by far the largest mass movement with an average thickness of 30–40 m and an estimated volume of about 0.11 km3. It is therefore well within the limits of submarine landslides that are known to be capable of triggering tsunamis. Using numerical modeling, the propagation of a landslide-generated tsunami with an initial wave height of more than 5 m has been calculated. Run-up heights estimated for coastal communities around the lake are moderate in the north (2–3 m) can reach up to 10 m directly at the site where the slide initiated. This study is a first generation of landslide tsunami hazard assessment for Lake Ohrid and further detailed modeling is recommended for the region.

Document Type: Book chapter
Additional Information: Das Buch ist in der GEOMAR-Bibliothek vorhanden!
Keywords: Lake Ohrid; Submarine landslide; Tsunami; Numerical modeling
Research affiliation: Kiel University > Kiel Marine Science
OceanRep > GEOMAR > FB4 Dynamics of the Ocean Floor
OceanRep > The Future Ocean - Cluster of Excellence
OceanRep > The Future Ocean - Cluster of Excellence > FO-R06
OceanRep > GEOMAR > FB4 Dynamics of the Ocean Floor > FB4-GDY Marine Geodynamics
Kiel University
Open Access Journal?: No
DOI etc.: 10.1007/978-3-319-00972-8_44
Projects: Future Ocean
Date Deposited: 05 Dec 2013 09:52
Last Modified: 23 Sep 2019 18:41

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