WUS324: Multiscale full waveform inversion approaching convergence improves waveform fits while imaging seismic structure of the western United States

AJ Rodgers, CD Doody… - Geophysical Research …, 2024 - Wiley Online Library
We report a new model of radially anisotropic crustal and upper mantle structure of the
western United States (WUS324) obtained from full waveform inversion of earthquake data …

Improved earthquake source parameters with 3D wavespeed models in California and Nevada

C Doody, A Rodgers, A Chiang… - Seismological …, 2025 - pubs.geoscienceworld.org
Seismic tomography harnesses earthquake data to explore the inaccessible structure of the
Earth. Adjoint waveform tomography (AWT), a method of seismic tomography, updates the …

REVEAL: A global full‐waveform inversion model

S Thrastarson, DP van Herwaarden… - Bulletin of the …, 2024 - pubs.geoscienceworld.org
We present REVEAL, a global‐scale, transversely isotropic full‐waveform inversion model.
REVEAL builds upon the earlier construction of the long‐wavelength Earth (LOWE) model …

Adjoint waveform tomography for crustal and upper mantle structure of the Middle East and Southwest Asia for improved waveform simulations using openly available …

AJ Rodgers, L Krischer, M Afanasiev… - Bulletin of the …, 2024 - pubs.geoscienceworld.org
We present a new model of radially anisotropic seismic wavespeeds for the crust and upper
mantle of a broad region of the Middle East and Southwest Asia (MESWA) derived from …

Propagating rifts: the roles of crustal damage and ascending mantle fluids

F Kolawole, R Ajala - Solid Earth, 2024 - se.copernicus.org
We investigate the upper-crustal structure of the Rukwa–Tanganyika rift zone in East Africa,
where the Tanganyika rift interacts with the Rukwa and Mweru-Wantipa rift tips, evidenced …

Seismic thermography

S Lebedev, J Fullea, Y Xu… - Bulletin of the …, 2024 - pubs.geoscienceworld.org
Variations in temperature within the Earth are of great interest because they indicate the
thickness and, consequently, mechanical strength of the lithosphere and density variations …

Blind magmatism abets nonvolcanic continental rifting

R Ajala, F Kolawole, W Menke - Communications Earth & Environment, 2024 - nature.com
Tectonic forces alone cannot drive rifting in old and thick continental lithosphere.
Geodynamic models suggest that thermal weakening is critical for lithospheric extension, yet …

Two effective degrees of freedom can represent the dominant features of global Rayleigh wave dispersion maps

H Zhang, S Ni, L Liu, B Schmandt - Geophysical Research …, 2024 - Wiley Online Library
Objectively exploring global variations in crust and upper mantle structure helps constrain
fundamental aspects of Earth's plate tectonic and convective processes. Here we adopted a …

Lithospheric thinning of the northeastern Arabian margin revealed by matrix‐free teleseismic traveltime tomography

G Guo, H Lan, L Chen, L Meng… - Geophysical Research …, 2025 - Wiley Online Library
The obduction of the Tethys oceanic lithosphere is documented by the Semail ophiolite
along the northeastern Arabian continental margin. Although the ophiolite is continuous and …

Full Dispersion‐Spectrum Inversion of Surface Waves

Z Zhang, T Alkhalifah, Y Liu - Journal of Geophysical Research …, 2024 - Wiley Online Library
Nowadays, the most successful applications of full‐waveform inversion (FWI) involve marine
seismic data under acoustic approximations. Elastic FWI of land seismic data is still …