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Survey explores active tectonics in Northeastern Caribbean



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Carbó Gorosabel, Andrés y Córdoba Barba, Diego y Martín Dávila, José y Ten Brink, Uri S. y Herranz, Pedro y Von Hilldebrant, Christa y Payero, Juan y Muñoz Martín, Alfonso y Pazos, Antonio y Catalán, Manuel y Granja Bruña, José Luis y Gómez Ballesteros, María (2005) Survey explores active tectonics in Northeastern Caribbean. Eos, Transactions American Geophysical Union, 86 (51). pp. 537-540. ISSN 0096-3941

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There is renewed interest in studying the active and complex northeastern Caribbean plate boundary to better understand subduction zone processes and for earthquake and tsunami hazard assessments [e.g., ten Brink and Lin, 2004; ten Brink et al., 2004; Grindlay
et al, 2005]. To study the active tectonics of this plate boundary, the GEOPRICO-DO (Geological, Puerto Rico-Dominican) marine geophysical cruise, carried out between 28 March and 17 April 2005 (Figure 1), studied the active tectonics of this plate boundary.
Initial findings from the cruise have revealed a large underwater landslide, and active faults on the seafloor (Figures 2a and 2c). These findings indicate that the islands within this region face a high risk from tsunami hazards, and that local governments should be alerted in order to develop and coordinate possible mitigation strategies. The cruise collected multibeam bathymetry, gravity, magnetic, high-resolution seismic, deep seismic sounding, and multichannel seismic reflection data, which are currently being processed and interpreted (Table 1). In early November 2005, 10 ocean-bottom seismometers (OBS) that had been deployed northeast of Puerto Rico and the Virgin Islands (Figure 1) during the cruise were recovered. These OBS recorded data during the cruise and the local seismicity between April and October 2005.

Tipo de documento:Artículo
Palabras clave:Caribbean, Active tectonics, Marine geophysics
Materias:Ciencias > Física > Geofísica
Ciencias > Geología > Geodinámica
Código ID:6535
Depositado:22 Nov 2007
Última Modificación:06 Feb 2014 07:49

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