NDLI: Evaluating Tsunami Impact on the Gulf of Cadiz Coast (Northeast Atlantic)

Content Provider	Springer Nature Link
Author	Omira, R. Baptista, M. A. Miranda, J. M.
Copyright Year	2010
Abstract	The Gulf of Cadiz coasts are exposed to tsunamis. Emergency planning tools are now taking into account this fact, especially because a series of historical occurrences were strikingly significant, having left strong evidence behind, in the mareographic records, the geological evidence or simply the memory of the populations. The study area is a strip along the Algarve coast, south Portugal, an area known to have been heavily impacted by the 1 November 1755 event. In this study we use two different tsunami scenarios generated by the rupture of two thrust faults identified in the area, corresponding to 8.1–8.3 magnitude earthquakes. Tsunami propagation and inundation computation is performed using a non-linear shallow water code with bottom friction. Numerical modeling results are presented in terms of flow depth and current velocity with maximum values of 7 m and 8 m/s for inundation depth and flow speed, respectively. These results constitute a valuable tool for local authorities, emergency and decision planners to define the priority zones where tsunami mitigation measures must be implemented and to develop tsunami-resilient communities.
Starting Page	1033
Ending Page	1043
Page Count	11
File Format	PDF
ISSN	00334553
Journal	Pure and applied geophysics
Volume Number	168
Issue Number	6
e-ISSN	14209136
Language	English
Publisher	SP Birkhäuser Verlag Basel
Publisher Date	2010-11-13
Publisher Place	Basel
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Tsunami Gulf of Cadiz inundation maps current velocity Geophysics/Geodesy
Content Type	Text
Resource Type	Article
Subject	Geochemistry and Petrology Geophysics

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