Achievements and prospects of global broadband seismographic networks after 30 years of continuous geophysical observations

AT Ringler, RE Anthony, RC Aster… - Reviews of …, 2022 - Wiley Online Library
Global seismographic networks (GSNs) emerged during the late nineteenth and early
twentieth centuries, facilitated by seminal international developments in theory, technology …

A transdisciplinary and community-driven database to unravel subduction zone initiation

F Crameri, V Magni, M Domeier, GE Shephard… - Nature …, 2020 - nature.com
Subduction zones are pivotal for the recycling of Earth's outer layer into its interior. However,
the conditions under which new subduction zones initiate are enigmatic. Here, we …

Broad plumes rooted at the base of the Earth's mantle beneath major hotspots

SW French, B Romanowicz - Nature, 2015 - nature.com
Plumes of hot upwelling rock rooted in the deep mantle have been proposed as a possible
origin of hotspot volcanoes, but this idea is the subject of vigorous debate,. On the basis of …

Global shear speed structure of the upper mantle and transition zone

AJ Schaeffer, S Lebedev - Geophysical Journal International, 2013 - academic.oup.com
The rapid expansion of broad-band seismic networks over the last decade has paved the
way for a new generation of global tomographic models. Significantly improved resolution of …

S40RTS: a degree-40 shear-velocity model for the mantle from new Rayleigh wave dispersion, teleseismic traveltime and normal-mode splitting function …

J Ritsema, A Deuss, HJ Van Heijst… - Geophysical Journal …, 2011 - academic.oup.com
We have developed model S40RTS of shear-velocity variation in Earth's mantle using a new
collection of Rayleigh wave phase velocity, teleseismic body-wave traveltime and normal …

Global adjoint tomography: first-generation model

E Bozdağ, D Peter, M Lefebvre… - … Supplements to the …, 2016 - academic.oup.com
We present the first-generation global tomographic model constructed based on adjoint
tomography, an iterative full-waveform inversion technique. Synthetic seismograms were …

Whole-mantle radially anisotropic shear velocity structure from spectral-element waveform tomography

SW French, BA Romanowicz - Geophysical Journal International, 2014 - academic.oup.com
The radially anisotropic shear velocity structure of the Earth's mantle provides a critical
window on the interior dynamics of the planet, with isotropic variations that are interpreted in …

TX2019slab: A New P and S Tomography Model Incorporating Subducting Slabs

C Lu, SP Grand, H Lai… - Journal of Geophysical …, 2019 - Wiley Online Library
Large numbers of earthquakes occur in subduction zones that are marked by dipping,
narrow high seismic velocity slabs. The existence of these fast velocity slabs can cause …

Global mantle structure from multifrequency tomography using P, PP and P-diffracted waves

K Hosseini, K Sigloch, M Tsekhmistrenko… - Geophysical Journal …, 2020 - academic.oup.com
In global-scale seismic tomography, teleseismic P and PP waves mainly constrain structures
in the upper two thirds of the mantle, whereas core-diffracted waves (Pdiff) constrain the …

LLNL‐G3Dv3: Global P wave tomography model for improved regional and teleseismic travel time prediction

NA Simmons, SC Myers… - … Research: Solid Earth, 2012 - Wiley Online Library
We develop a global‐scale P wave velocity model (LLNL‐G3Dv3) designed to accurately
predict seismic travel times at regional and teleseismic distances simultaneously. The model …