International Federation of Digital Seismograph Networks

YO (2003-2006): Broadband Tomography Under Costa Rica and Nicaragua

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FDSN Network Information

FDSN code YO (2003-2006) Network name Broadband Tomography Under Costa Rica and Nicaragua (TUCAN)
Start year 2003 Operated by
End year 2006 Deployment region
Description

This broadband array provides imaging of the subducting plate, mantle wedge and overlying lithosphere beneath the Central American arc in Nicaragua and Costa Rica. It forms a key element of the MARGINS Subduction Factory focus site efforts in Central America, with a goal of understanding magma formation beneath arcs in a place that exhibits large along-strike gradients in arc geochemistry. The array features two dense lines, 10 km spacing, one through central Nicaragua where flux of slab-derived fluids reaches a global maximum, and a second through northern Costa Rica where magmas show little geochemical signature of subducting sediments. Sparser cross lines provide sampling of along-strike variations in the arc, and control in the backarc. Primary studies include imaging with scattered teleseismic coda, P,S, and attenuation tomography, shear wave splitting, surface wave imaging, and studies of earthquake sources.

Citation Information

Digital Object Identifier (DOI) 10.7914/SN/YO_2003
Citation
For more: DataCite ( JSON | XML | BibTeX )
Published Description

https://doi.org/10.1029/2008GC001963
doi: https://doi.org/10.1029/2008GC002040
https://doi.org/10.1016/j.epsl.2010.05.033
https://doi.org/10.1029/2009JB006710
https://doi.org/10.1029/2009GC002841
https://doi.org/10.1029/2008GC001991
https://doi.org/10.1029/2009GC002375
https://doi.org/10.1038/nature06550

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