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WP7 WP7 Modelling of tsunami impact in SW Modelling of tsunami impact in SW PortugalPortugal

Brest April 2009

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Rachid OmiraMaria Ana Baptista

Miguel MirandaElarbi Toto

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WP7 WP7 Modelling of tsunami impact in SW Modelling of tsunami impact in SW PortugalPortugal

WP7.1 Collation of the new Bathymetric Data (merge data not complete)

WP7.2 Implementation of a Numerical Tsunami Model for SW Portugal

WP7.3 Simulation of the 1755 tsunami in the “Boca do Rio” area

WP7.4 Production of Inundation Maps for Lagos-Sagres

WP7.5 Model Parametrization and Validation

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WP7 WP7 Modelling of tsunami impact in test Modelling of tsunami impact in test areasareas

Miranda JM, Baptista MA, Terrinha P, Matias, L. 31st ESC Crete Sept 2009

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Initial displacements using discretized slip distribution (SCC (Geist & Domovska ,1999))

Initial sea surface perturbation for each tsunami scenario in the Gulf of Cadiz; (a) Gorring Bank scenario, (b) Marques de Pombal scenario, (c) Horseshoe scenario, (d) Portimao Bank scenario, (e) Cadiz scenario.

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Horseshoe Scenario

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Cadiz Scenario

Lagos

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Marques de Pombal Scenario

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CONTRIBUTION TO IOC-NEAMTWS

Design of a Tsunami Detection Network in the Gulf of Cadiz

R. Omira, M. A. Baptista, L. Matias , J. M. Miranda, C. Catita, F. Carrilho, E. Toto

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Computed tsunami maximum wave height and travel time for different earthquake scenarios in the Gulf of Cadiz.

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Map displaying: MWH along the Gulf of Cadiz coasts considering all the tsunamigenic scenarios, existing and 4 additional tide gauge stations (TG1 to TG4 in red dots) recommended for the region.

Tide guages Network in the Gulf of Cadiz zone

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Established tunameters monitoring network for the Gulf of Cadiz region. White stars are the recommended positions for DART-like sensors in the area. Graphs illustrate waveforms recorded by the proposed DART-like network; only waves detected in the time interval of 0 -10 minutes after the tsunami occurrence are considered.

Tsunameters design for the Gulf of Cadiz region

The study adopts a specific strategy for tsunameter installation based upon three main criteria: (i) maximization of warning time, (ii)coverage of all the area where tsunami can be detected and (iii) the conditions of installation: flat bottom topography and a “safe” distance from the seismic source for station location

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Computed TAT to the proposed tsunameters (DART1, DART2 and DART3) and to different points along the Gulf of Cadiz coasts

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Warning Time along the coasts in Portugal, Spain and Morocco, considering that the 3 DART systems proposed are available (red dots)

Warning time considering the proposed tsunameters design

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TSUNAMI VULNERABILITY ASSESSMENT OF CASABLANCA-MOROCCO USING NUMERICAL MODELING AND GIS TOOLSR. Omira , M. A. Baptista , J. M. Miranda , E. Toto, C. CatitaSubmitted to Natural Hazards (may 2008, under revision)

REVISION OF THE PORTUGUESE CATALOGUE OF TSUNAMISM. A. Baptista, J. M. Miranda ( NHESS 2009 published)

REVISION OF THE MOROCCO TSUNAMI CATALOGUEF. Kaabouben, M. A. Baptista, A. Iben Brahim, A. Toto, A. Elmouraouah(Submitted to NHESS)

publications

DESIGN OF A TSUNAMI DETECTION NETWORK IN THE GULF OF CADIZR. Omira , M. A. Baptista , L. Matias, J. M. Miranda, F. Carilho, C. Catita, E. Toto(Submitted to NHESS)