The broad consistency between seismic velocity anomalies inferred from existing and performed measurements of teleseismic arrival times and Rayleigh wave group velocities as well as from regional waveform fits implies that these different types of dataset are at least in part redundant. The consistency further shows that the datasets record the same structural phenomena, despite differences in size and character between typical sensitivity kernels for each dataset.
Preliminary results from data analysis for the Middle East show that the uppermost mantle in this part of the study area is slower on average than typical 1D global velocity models as also previously observed in neighboring regions (e.g. in the Mediterranean (Marone et al., 2004) and beneath the Iranian Plateau (Maggi and Priestley, 2005)).
Berkeley Seismological Laboratory
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