Mechanism of rock burst induced by fault slip in an island coal panel and hazard assessment using seismic tomography: a case study from Xuzhuang colliery, Xuzhou, China
Sign Up to like & getrecommendations! Published in 2017 at "Geosciences Journal"
DOI: 10.1007/s12303-016-0065-2
Abstract: Rock burst hazards induced by fault slip frequently occur in underground mining and threaten the safety of miners. In this paper, the structures of overlying strata, mechanism of fault slip, and rock burst pre-warning using… read more here.
Keywords: rock burst; seismic tomography; rock; fault slip ... See more keywords
Temporal change of the magma plumbing system at Galeras volcano, Colombia, revealed by repeated seismic tomography in 2009–2018
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Volcanology and Geothermal Research"
DOI: 10.1016/j.jvolgeores.2020.107075
Abstract: Abstract We performed repeated three-dimensional seismic tomography in 2009–2018 for the area influenced by the intersection of the Silvia–Pijao (Buesaco) and Cauca–Almaguer fault systems beneath Galeras volcano, Colombia. We analyzed two periods, 2009–2012 and 2013–2018,… read more here.
Keywords: galeras volcano; 2009 2018; seismic tomography; volcano ... See more keywords
Importance of later phases in seismic tomography
Sign Up to like & getrecommendations! Published in 2019 at "Physics of the Earth and Planetary Interiors"
DOI: 10.1016/j.pepi.2019.106314
Abstract: Abstract Seismic tomography is a powerful tool for mapping the three-dimensional structure of the Earth's interior. Tomographic images obtained in the past four decades have greatly improved our understanding of the Earth's heterogeneous structure and… read more here.
Keywords: importance later; later phases; earth interior; seismic tomography ... See more keywords
Frozen Gaussian approximation for 3D seismic tomography
Sign Up to like & getrecommendations! Published in 2018 at "Inverse Problems"
DOI: 10.1088/1361-6420/aab2be
Abstract: Three-dimensional (3D) wave-equation-based seismic tomography is computationally challenging in large scales and high-frequency regime. In this paper, we apply the frozen Gaussian approximation (FGA) method to compute 3D sensitivity kernels and seismic tomography of high-frequency.… read more here.
Keywords: time; seismic tomography; gaussian approximation; tomography ... See more keywords
Towards the geological parametrization of seismic tomography
Sign Up to like & getrecommendations! Published in 2023 at "Geophysical Journal International"
DOI: 10.1093/gji/ggad140
Abstract: Seismic tomography is a cornerstone of geophysics and has led to a number of important discoveries about the interior of the Earth. However, seismic tomography remains plagued by the large number of unknown parameters in… read more here.
Keywords: problem; number; seismic tomography; tomography ... See more keywords
Seismic tomography using parameter-free Backus–Gilbert inversion
Sign Up to like & getrecommendations! Published in 2019 at "Geophysical Journal International"
DOI: 10.1093/gji/ggz175
Abstract: S U M M A R Y This proof-of-concept study presents a parameter-free, linear Backus–Gilbert inversion scheme, tractable for seismic tomography problems. It leads to efficient computations of unbiased tomographic images, accompanied by meaningful resolution… read more here.
Keywords: inversion; parameter free; backus gilbert; seismic tomography ... See more keywords
The Dulmage–Mendelsohn permutation in seismic tomography
Sign Up to like & getrecommendations! Published in 2019 at "Geophysical Journal International"
DOI: 10.1093/gji/ggz216
Abstract: Seismic tomography inverse problems are among the largest high-dimensional parameter estimation tasks in Earth science. Although iterative algorithms can be used to efficiently solve these problems, their size gives rise to several issues such as… read more here.
Keywords: dulmage mendelsohn; permutation seismic; tomography; model ... See more keywords
A scalable online algorithm for passive seismic tomography in underground mines
Sign Up to like & getrecommendations! Published in 2020 at "GEOPHYSICS"
DOI: 10.1190/geo2019-0440.1
Abstract: Understanding and monitoring the seismic responses of rock masses to massive mining are crucial for safety and economic viability of ever larger and deeper underground operations. Seismic monitoring can be used to detect stress variations… read more here.
Keywords: scalable online; passive seismic; velocity; method ... See more keywords