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Tectonic structure of the Rivera Plate using multichannel seismic data acquired in the Western Mexican margin (TSUJAL survey, 2014)

AutorGórriz Ibáñez, Estefanía
DirectorBartolomé, Rafael ; Martí, David
Fecha de publicaciónjun-2015
EditorUniversidad de Barcelona
Universidad Autónoma de Barcelona
Consejo Superior de Investigaciones Científicas (España)
ResumenThe western margin of Mexico is considered one of the most active seismic zone in America and the Rivera plate is particularly a region where large earthquakes have occurred with very destructive consequences, including the generation of big tsunamis. Two major earthquakes ocurred in the area the last century, a magnitude 8.2 in the Jalisco coast in 1932 and in 1995 a magnitude 8.0 located offshore Jalisco southern area. Attending to the macroseismic recent history, one of the most important earthquake occurred in 1932 in the Jalisco coast, with a magnitude of 8.2. Other important earthquake occurred in 1995 of Ms=8 offshore southern Jalisco. Considering that the rupture area of the 1995 EQ spans only the southern half region of the 1932 EQ rupture area and that the recurrence time estimated is 77 years, likelihood of a rupture event in the northern half of the area is very high, so the Jalisco Block is a zone of high seismic potential. This paper aims to characterize the internal structure of the subduction zone of the Rivera plate beneath the North American plate in order to understand the geodynamic and the recent tectonic deformation occurring in the area to predict the possible generation of tsunamis and earthquakes. For this purpose, it has been carried out seismic processing and geological interpretation of a seismic profile from TSUJAL project, located offshore over the subduction zone
DescripciónTrabajo final presentado por Estefanía Górriz Ibáñez para un Master de la Universitat de Barcelona (UB), la Universitat Autònoma de Barcelona (UAB) y el Consejo Superior de Investigaciones Científicas (CSIC) realizado bajo la dirección del Dr. Rafael Bartolomé de la Peña del Institut de Ciències del Mar (ICM-CSIC) y del Dr. David Martí del Institut de Ciències de la Terra Jaume Almera (ICTJA-CSIC).-- 23 pages, 23 figures, 6 tables
URIhttp://hdl.handle.net/10261/132168
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