Crustal Density and Susceptibility Structure beneath Achankovil Shear Zone, India

Crustal and Upper Mantle Density Structure Beneath the Qinghai-Tibet Plateau and Surrounding Areas Derived from EGM2008 Geoid Anomalies

As the most active plateau on the Earth, the Qinghai-Tibet Plateau (TP) has a complex crust–mantle structure. Knowledge of the distribution of such a structure provides information for understanding the underlying geodynamic processes. We obtain a three-dimensional model of the density of the crust and the upper mantle beneath the TP and surrounding areas from height anomalies using the Earth G...

Mantle Transition Zone Topography and Structure Beneath the Yellowstone Hotspot

Crustal Structure from Waveform Inverstion of Shear-coupled Pl

One strategy for discriminating between explosions and natural events depends on accurate determinations of event locations, including focal depths. If a seismic event could be reliably determined to have a focal depth greater than a few kilometers, one could be confident that the event is not an explosion. But to determine focal depths accurately, one must first have a fairly accurate model of...

Crustal shear velocity structure of the western US

F.-C. Lin, Center for Imaging the Earth’s Interior, Department of Physics, University of Colorado, 390 UCB, Boulder, CO, 80390-0390, USA. ([email protected]) M. P. Moschetti, Center for Imaging the Earth’s Interior, Department of Physics, University of Colorado, 390 UCB, Boulder, CO, 80390-0390, USA. ([email protected]) M. H. Ritzwoller, Center for Imaging the Earth’s Interior, D...

Whole mantle shear structure beneath the East Pacific Rise

[1] We model broadband seismograms containing triplicated S, S, and S along with ScS to produce a pure path one-dimensional model extending from the crust to the core-mantle boundary beneath the East Pacific Rise. We simultaneously model all body wave shapes and amplitudes, thereby eliminating depth-velocity ambiguities. The data consist of western North American broadband recordings of East Pa...