Results 171 to 180 of about 34,992 (234)

Average physical structure of cratonic lithosphere, from thermodynamic inversion of global surface-wave data. [PDF]

Mineral Petrol
Xu Y, Lebedev S, Fullea J.
europepmc   +1 more source

Helium isotope anomaly in groundwater prior to the 2024 Noto Peninsula earthquake. [PDF]

Nat Commun
Kagoshima T, Sano Y, Takahata N, Kawamoto Y, Shibata T, Li Y, Morishita T, Hiramatsu Y, Nakajima J.   +8 more
europepmc   +1 more source

Test-Time Augmentations and Quality Controls for Improving Regional Seismic Phase Picking. [PDF]

Sensors (Basel)
Han B, Tang L, Ma L, Kong H, Xiao Z.
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A case study of the three-dimensional co-seismic ionospheric disturbance evolution. [PDF]

Sci Rep
Song R, Hattori K, Zhang X, Liu JY, Yoshino C.   +4 more
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Dual-layered mantle lithosphere beneath southeastern Canadian Cordillera. [PDF]

Nat Commun
Huang S, Gu YJ, Johnston ST.
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Anatomy of the magmatic-hydrothermal system beneath Uturuncu volcano, Bolivia, by joint seismological and petrophysical analysis. [PDF]

Proc Natl Acad Sci U S A
Liu Y, Kendall JM, Zhang H, Blundy JD, Pritchard ME, Hudson T, MacQueen P.   +6 more
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Investigating reservoir-triggered seismicity in the Koyna-Warna region through nodal ambient noise tomography. [PDF]

Sci Rep
Ranjan P, Kumar P, Mandal B, Karuppannan P.   +3 more
europepmc   +1 more source

Subsurface architecture of the tuina prospect and its relationship to fluid migration in mineral deposit formation. [PDF]

Sci Rep
Jaque-Reyes J, Reyes-Wagner V, Comte D, Peña M, Calle-Gardella D, Leon-Rios S, Roecker SW, Jiménez F, Pichott S.   +8 more
europepmc   +1 more source

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Crosshole seismic tomography

GEOPHYSICS, 1989
Many tomographic interpretations of crosshole seismic traveltimes have approximated the raypaths with straight lines connecting the source and receiver. This approximation is valid where the velocity does not vary greatly, but in many regions of interest velocity variations of 10–20 percent or more are observed, causing significant ray curvature ...
N. D. Bregman, R. C. Bailey, C. H. Chapman   +2 more
openaire   +2 more sources

Seismic angle tomography

The Leading Edge, 2005
One of the main challenges in seismic imaging is the estimation of sufficiently accurate background velocity models in the presence of complex geology. In this paper we show the use of a differential semblance in angle or DSA (Symes and Carazzone, 1991; Brandsberg-Dahl et al., 2003) misfit function to perform ray-based angle tomography on PP and its ...
Bjørn Ursin, Maarten V. de Hoop, Stig-Kyrre Foss, Sverre Brandsberg-Dahl   +3 more
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