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seismic tomography

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Journal Article
Published: 08 August 2018
Seismological Research Letters (2018) 89 (5): 1629–1640.
... ). In this article, we report results from P ‐wave first arrivals seismic tomography using vibroseis sources recorded on a combined array of distributed acoustic sensing (DAS) and 238 three‐component, 5‐Hz FairfieldNodal seismic nodes. We compare the resulting velocity models with regional geologic maps...
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Journal Article
Published: 01 October 2007
Bulletin of the Seismological Society of America (2007) 97 (5): 1432–1448.
... matches those of ten Brink et al. (2002) and Calvert et al. (2003) , based on seismic-reflection profiles along the 1998 ships transect and high-resolution seismic tomography. Our estimated thickness is ∼2 times greater than that inferred solely from high- resolution seismic-reflection data...
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Journal Article
Published: 01 June 2025
Jour. Geol. Soc. India (2025) 101 (6): 770–775.
...O.P. Mishra ABSTRACT Earthquake-based seismic tomography has become one of the versatile multi-scale sub-surface imaging tools. It provides an ample scope available for estimating structural heterogeneities of different sub-surface strata to understand the nature and extent of distinct variability...
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Journal Article
Journal: Geophysics
Published: 25 March 2025
Geophysics (2025) 90 (3): R89–R100.
... method, the multi-geophysical information neural network for seismic tomography (MINN-tomo), is developed. This approach directly incorporates diverse data sets into the loss function, providing a unified framework for handling data fusion across different scales during nonlinear inversion. Considering...
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Journal Article
Published: 07 February 2025
Seismological Research Letters (2025) 96 (4): 2322–2340.
... of this seismicity was carried out. In this study, local seismic tomography was conducted for the first time to demonstrate the importance of a uniform spatial distribution of earthquakes for obtaining accurate crustal images via seismic inversion. Two different inversions were performed using local tomographic...
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Journal Article
Published: 06 September 2024
Journal of Environmental and Engineering Geophysics (2024) 29 (2): 61–74.
...Young-Fo Chang; Wei-Zhih Chang; Lun-Tao Tong ABSTRACT Crosshole seismic tomography (CST) could be used to reconstruct the velocity section of media between two holes. One commonly used attribute of fractures reflected in seismic waves is the anisotropy of velocity. Therefore, in this study...
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Journal Article
Published: 03 May 2024
Bulletin of the Seismological Society of America (2024) 114 (3): 1185–1213.
... ABSTRACT 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 properties of active volcanoes, earthquake fault zones, deep reservoirs and storage sites, glaciers and ice...
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Journal Article
Published: 04 April 2024
Bulletin of the Seismological Society of America (2024) 114 (3): 1243–1263.
...Roger D. Borcherdt ABSTRACT The recent developments in general viscoelastic ray theory provide a rigorous mathematical framework for anelastic seismic tomography. They provide closed‐form solutions of forward ray‐tracing and simple inverse problems for anelastic horizontal and spherical layered...
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Journal Article
Journal: Lithosphere
Publisher: GSW
Published: 12 January 2024
Lithosphere (2022) 2022 (Special 11): 1742306.
...Xinyuan Tian; Siyuan Gong; Linming Dou; Shun Hu; Bengang Chen; Qiang Lu Abstract Given the high cost of active seismic tomography and the large influence on mining production, as well as the uncontrollable inversion period and accuracy of the target area during the passive seismic tomography...
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Journal Article
Published: 01 October 2023
Russ. Geol. Geophys. (2023) 64 (10): 1241–1250.
... 02 2023 27 04 2023 © 2023, Novosibirsk State University 2023 Novosibirsk State University local seismic tomography earthquake foci mechanisms Malko-Petropavlovsk zone Kamchatka Seismic studies of crustal and mantle structures provide information necessary...
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Journal Article
Published: 01 November 2022
Russ. Geol. Geophys. (2022) 63 (11): 1245–1260.
..., Novosibirsk State University 2022 Novosibirsk State University junction zone lens magnetotelluric sounding seismic tomography Northern Tien Shan Deep seismic sounding (DSS) in different regions of the world showed that the continental lithosphere has a complicated block-layered structure...
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Journal Article
Published: 01 November 2022
Russ. Geol. Geophys. (2022) 63 (11): 1207–1244.
... of volcano-feeding systems. An important part of this review contains the description of results of various seismic studies related to the Klyuchevskoy group volcanoes, which can now be considered one of the best studied volcanic areas in the world. The results of the regional-scale seismic tomography reveal...
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Journal Article
Published: 01 December 2021
Seismological Research Letters (2022) 93 (2A): 555–566.
... tomography: Earthquake source regions , in Seismic Tomography: Theory and Practice , Iyer H. M. , and Hirahara K. (Editors), Chapman and Hall , London, United Kingdom , 613 – 643 . Efron B. , and Tibshirani R. 1991 . Statistical data analysis in the computer age , Science 253...
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Journal Article
Published: 08 September 2021
Seismological Research Letters (2022) 93 (1): 201–215.
...Shoucheng Han; Haijiang Zhang; Hailiang Xin; Weisen Shen; Huajian Yao Abstract Xin et al. (2019) presented 3D seismic velocity models ( V P and V S ) of crust and uppermost mantle of continental China using seismic body‐wave travel‐time tomography, which are referred to as Unified Seismic...
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Journal Article
Journal: Lithosphere
Publisher: GSW
Published: 29 April 2021
Lithosphere (2021) 2021 (Special 2): 6619463.
..., and the SCS spreading center (Figures 8 (a)– 8 (c)), likely reflecting the influence area of Hainan mantle plume at the depth of 250–350 km. However, due to the lack of seismic data in the expansion center of the SCS, we cannot obtain seismic tomography with a depth of less than 250 km in the SCS expansion...
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Journal Article
Journal: Geophysics
Published: 10 June 2020
Geophysics (2020) 85 (4): WA201–WA211.
... and hazardous instabilities, but its effectiveness requires accurate estimations of the nonhomogeneous propagation velocity of microseismic waves. While predetermined velocity models are not accurate enough and might bias hypocenter localization, using active-source seismic tomography methods to estimate...
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Journal Article
Published: 18 February 2020
Bulletin of the Seismological Society of America (2020) 110 (2): 886–897.
...Jun Li; Hui Li; Hui Chen; Jinrong Su; Yongsheng Liu; Ping Tong ABSTRACT We use the eikonal equation‐based seismic travel‐time tomography method to image the source areas of the 2008 Wenchuan earthquake and the 2013 Lushan earthquake in the Longmenshan fault zone. High‐resolution V P and V S models...
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Journal Article
Published: 30 October 2019
Seismological Research Letters (2020) 91 (1): 343–355.
... in overly smooth models, poor amplitude resolution, and a difficult choice between plausible models. Recognizing that the average of parameters can be better constrained than individual parameters, we propose a seismic tomography method that stabilizes the inverse problem by projecting the original high...
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Journal Article
Published: 17 July 2019
Seismological Research Letters (2019) 90 (5): 1859–1875.
...‐element models (FEMs) and Sentinel‐1 Interferometric Synthetic Aperture Radar observations to characterize the earthquake source. The FEM domain accommodates a heterogeneous (HET) distribution of realistic crustal materials inferred by regional seismic tomography data. The HET‐derived source...
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Journal Article
Journal: Geophysics
Published: 10 December 2018
Geophysics (2019) 84 (1): B41–B57.
... approach for P-wave passive seismic tomography: (1) a probabilistic grid search algorithm for locating the events, (2) joint inversion for a 1D velocity model and event locations using absolute arrival times, and (3) double-difference tomography using reliable differential arrival times obtained from...
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