Description: The Ethiopian rift is a unique natural environment to study the different stages of evolution from initial continental rifting to embryonic sea-floor spreading. We study the crust and uppermost mantle of the Afar, Main Ethiopian Rift and the adjoining plateaus using hierarchical Bayesian ambient seismic noise tomography. A shear wave velocity model of the crust is produced based on the point-wise linearized inversion of the dispersion curves extracted from the group velocity maps. This dataset provides 3-D shear velocity results from Eshetu et al. (2021). The file “3dmod.dat” contains the shear wave velocity model for the Ethiopian rift, sampled onto a regular grid. Poorly imaged cells are set to “nan”, see the main text for details. Note that the model primarly resolves S wave structure (Vs). P wave velocity (Vp) is not independently constrained but, during the inversion, calculated from Vs using empirical relations (Brocher, 2005).
Global identifier:
Doi(
"10.5880/GFZ.2.4.2021.007",
)
Origins: /Wissenschaft/GFZ
Tags: Karte ? Dispersion ? Lärm ? Studie ? Afar ? Crustal structure ? EARTH SCIENCE > SOLID EARTH > TECTONICS > PLATE TECTONICS ? Main Ethiopian rift ? Shear wave velocity ? ambient noise tomography ? hierarchical Bayesian ?
License: cc-by/4.0
Language: Englisch/English
Issued: 2021-01-01
Time ranges: 2021-01-01 - 2021-01-01
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