Recent advances and challenges of waveform‐based seismic location methods at multiple scales
Source locations provide fundamental information on earthquakes and lay the foundation for
seismic monitoring at all scales. Seismic source location as a classical inverse problem has …
seismic monitoring at all scales. Seismic source location as a classical inverse problem has …
Attenuation compensation for least-squares reverse time migration using the viscoacoustic-wave equation
G Dutta, GT Schuster - Geophysics, 2014 - library.seg.org
Strong subsurface attenuation leads to distortion of amplitudes and phases of seismic waves
propagating inside the earth. Conventional acoustic reverse time migration (RTM) and least …
propagating inside the earth. Conventional acoustic reverse time migration (RTM) and least …
Deformation of crust and upper mantle in central Tibet caused by the northward subduction and slab tearing of the Indian lithosphere: New evidence based on shear …
Shear-wave splitting provides insight into geodynamic processes such as lithospheric
deformation and upper mantle flow. This study presents shear wave splitting parameters …
deformation and upper mantle flow. This study presents shear wave splitting parameters …
Deep learning for low-frequency extrapolation of multicomponent data in elastic FWI
H Sun, L Demanet - IEEE Transactions on Geoscience and …, 2021 - ieeexplore.ieee.org
Full-waveform inversion (FWI) strongly depends on an accurate starting model to succeed.
This is particularly true in the elastic regime: The cycle-skipping phenomenon is more …
This is particularly true in the elastic regime: The cycle-skipping phenomenon is more …
Implementation of the Marchenko method
The Marchenko method makes it possible to compute subsurface-to-surface Green's
functions from reflection measurements at the surface. Applications of the Marchenko …
functions from reflection measurements at the surface. Applications of the Marchenko …
Mapping the basement of the Ebro Basin in Spain with seismic ambient noise autocorrelations
P Romero, M Schimmel - Journal of Geophysical Research …, 2018 - Wiley Online Library
Single‐station autocorrelations of seismic ambient noise allow to obtain the shallow
subsurface reflection response without the need of any active source or earthquake …
subsurface reflection response without the need of any active source or earthquake …
Free-surface and internal multiple elimination in one step without adaptive subtraction
We have derived a scheme for retrieving the primary reflections from the acoustic surface-
reflection response by eliminating the free-surface and internal multiple reflections in one …
reflection response by eliminating the free-surface and internal multiple reflections in one …
Accounting for free-surface multiples in Marchenko imaging
Imagine placing a receiver at any location in the earth and recording the response at that
location to sources on the surface. In such a world, we could place receivers around our …
location to sources on the surface. In such a world, we could place receivers around our …
Studying storage with ambient-noise seismic interferometry: A combined numerical feasibility study and field-data example for Ketzin, Germany
Seismic interferometry applied to ambient-noise measurements allows the retrieval of the
seismic response between pairs of receivers. We studied ambient-noise seismic …
seismic response between pairs of receivers. We studied ambient-noise seismic …
2D body-wave seismic interferometry as a tool for reconnaissance studies and optimization of passive reflection seismic surveys in hardrock environments
Despite the unrivalled spatial resolution and depth penetration of active-source seismic
methods used for mineral exploration in hardrock environment, economic and …
methods used for mineral exploration in hardrock environment, economic and …