Sentences with phrase «upper mantle seismic»
«But low - and medium - intensity tremors occur with a certain frequency in Brazil, and these can have drastic consequences depending on where they happen,» said the principal investigator for the research project «Pantanal - Chaco - Paraná basins (PCPB): crust and upper mantle seismic structure and evolution,» supported by the São Paulo Research Foundation (FAPESP).
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Romanowicz, who uses seismic waves to study Earth's interior, had previously worked with French, then a graduate student, on a tomographic model of the upper 800 kilometers of the mantle, which showed periodic hot and cold regions of rock underlying hotspot volcanoes.
Scientists seeking to understand the forces at work beneath the surface of Earth have used seismic waves to detect previously unknown «fingers» of heat, some of them thousands of miles long, in Earth's upper mantle.
Hernandez, S., Wiens, D., Anandakrishnan, S., Aster, R., Huerta, A., Nyblade, A., Wilson, T., Seismic anisotropy of the Antarctic upper mantle from shear wave splitting analysis of POLENET and AGAP seismograms, Eos Trans.
Sun, X., Wiens, D., Nyblade, A., Anandakrishnan, S., Aster, R., Chaput, J., Huerta, A., Wilson, T., Three dimensional crust and upper mantle velocity structure of Antarctica from seismic noise correlation, Eos Trans.