WUS256: An adjoint waveform tomography model of the crust and upper mantle of the western United States for improved waveform simulations

A Rodgers, L Krischer, M Afanasiev… - Journal of …, 2022 - Wiley Online Library
We report a new model (WUS256) of radially anisotropic seismic wavespeeds of the crust
and upper mantle of the western United States (WUS) obtained from adjoint waveform …

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 …

[HTML][HTML] Stride: A flexible software platform for high-performance ultrasound computed tomography

C Cueto, O Bates, G Strong, J Cudeiro… - Computer methods and …, 2022 - Elsevier
Background and objective: Advanced ultrasound computed tomography techniques like full-
waveform inversion are mathematically complex and orders of magnitude more …

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 …

2d near‐surface full‐waveform tomography reveals bedrock controls on critical zone architecture

BJ Eppinger, WS Holbrook, Z Liu… - Earth and Space …, 2024 - Wiley Online Library
For decades, seismic imaging methods have been used to study the critical zone, Earth's
thin, life‐supporting skin. The vast majority of critical zone seismic studies use traveltime …

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

C Doody, A Rodgers, A Chiang, M Afanasiev, C Boehm… - 2024 - pubs.geoscienceworld.org
Improved Earthquake Source Parameters with 3D Wavespeed Models in California and Nevada
Page 1 Improved Earthquake Source Parameters with 3D Wavespeed Models in California and …

The impact of ambient noise sources in subsurface models estimated from noise correlation waveforms

E Valero Cano, A Fichtner, D Peter… - Geophysical Journal …, 2024 - academic.oup.com
Cross-correlations of seismic ambient noise are frequently used to image Earth structure.
Usually, tomographic studies assume that noise sources are uniformly distributed and …

Seismic Tomography 2024

A Fichtner, BLN Kennett, VC Tsai… - Bulletin of the …, 2024 - pubs.geoscienceworld.org
Seismic tomography is the most abundant source of information about the internal structure
of the Earth at scales ranging from a few meters to thousands of kilometers. It constrains the …

Evidence for deeply subducted lower‐plate seamounts at the Hikurangi Subduction Margin: Implications for seismic and aseismic behavior

B Chow, Y Kaneko, J Townend - Journal of Geophysical …, 2022 - Wiley Online Library
Seamounts are found at many subduction zones and act as seafloor heterogeneities that
affect slip behavior on megathrusts. At the Hikurangi subduction zone offshore the North …

Optimal transport map with prescribed direction indicator for seismic full‐waveform inversion

X Dong, D Yang, H Zhu - Journal of Geophysical Research …, 2024 - Wiley Online Library
The quadratic Wasserstein (W2) metric has been proposed as a promising misfit function to
mitigate cycle‐skipping phenomena in full‐waveform inversion. Mathematically, we …