Modeling Potential Tsunami Generation by the BIG’95 Landslide
The BIG’95 landslide was emplaced 11,500 years ago and is one of the largest known submarine landslides in the Mediterranean Sea. The simulated landslide dynamics matches the observed run-out and deposited thickness. Water elevation simulated by using a dispersive tsunami model exceed 10 m close to the landslide area and at the nearest shorelines. Modeling further indicates that the tsunami probably had widespread consequences in the Mediterranean. Compared to previous studies, this new simulation provides larger waves. There is, however, still a need to better constrain the landslide dynamics in order to illuminate the uncertainties related to the tsunamigenic power of this, and other, submarine landslides.
KeywordsSubmarine landslide Slope failure Tsunami Frequency dispersion BIG’95
The study was financially supported by the EU FP6 project TRANSFER (Tsunami Risk and Strategies for the European Region, contract no. 037058), and the Research Council of Norway (RCN) under project no. 205184. The Norwegian Geotechnical Institute (NGI), and the International Centre for Geohazards (ICG) are also thanked for supporting the work on this manuscript. Reviewers Dr. Peter Talling and Dr. Filippo Zaniboni are thanked for their valuable comments and positive criticism on the manuscript. This is contribution no. 418 of the International Centre for Geohazards (ICG).
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