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|dc.contributor.author||Dañobeitia, Juan José||-|
|dc.contributor.author||García Millan, Nathalie||-|
|dc.identifier.citation||AGU Fall Meeting 2015: T51D-2916 (2015)||-|
|dc.description||American Geophysical Union (AGU) Fall Meeting, 14-18 December 2015, San Francisco||-|
|dc.description.abstract||The Mexican Pacific Margin is an interesting geological and tectonic study region due to the subduction processes that involve Rivera plate, North American plates and Jalisco Block. This region has been recently studied by the TSUJAL geophysical experiment during 2014. The main goal of this project is to achieve a better knowledge about this active margin and the seismic and tsunamigenic potential structural sources. To carry out this objective a set of multibeam bathymetric, potential fields, high resolution seismic, MCS and WAS data were obtained. In the frame of this study, we present the most significant results of wide angle seismic profile RTSIM04 carried out across the southern region of Islas Marías perpendicular to the coast towards Tepic in Nayarit with 220 km of length and SW-NE orientated. This profile is made of by a network of 4 OBS and 30 land seismic stations, deployed specially for this project, which registered the air gun shots provided by RRS James Cook every 120 s. Data obtained after processing and interpretation characterize seismically the contact zone between Rivera and North American plates from 30 to 60 km of model distance. Moreover, a cortical thickening from 9 to 20 km is observed towards to the coast. In the upper mantle, P-wave velocities of 7.9-8.4 km/s up to maximum depth of 50 km have been determined||-|
|dc.publisher||American Geophysical Union||-|
|dc.title||Crustal Structure across Southern Islas Marías (Nayarit, Mexico) from Wide-Angle Data (TSUJAL Project)||-|
|dc.type||póster de congreso||-|
|Appears in Collections:||(UTM) Comunicaciones congresos|
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