Single-point dispersion measurement of surface waves combining translation, rotation and strain in weakly anisotropic media: theory

L Tang, H Igel, JP Montagner - Geophysical Journal …, 2023 - academic.oup.com
SUMMARY A new approach is proposed for measuring the dispersion relation of surface
waves in weakly anisotropic media using a single station, which consists of translational …

Experimental study on ultrasonic velocity and anisotropy of tectonically deformed coal

H Chen, B Jiang, T Chen, S Xu, G Zhu - International Journal of Coal …, 2017 - Elsevier
Tectonically deformed coal (TDC) is defined as coal formed by various tectonic stresses. As
one of the key concerns in the formation and recovery of coal bed methane (CBM) from the …

Crustal radial anisotropy of the Iran Plateau inferred from ambient noise tomography

R Movaghari, G JavanDoloei, Y Yang… - Journal of …, 2021 - Wiley Online Library
This study presents a three‐dimensional (3D) model of the crustal and uppermost mantle
shear wave velocity and radial anisotropy beneath the Iran Plateau constructed by Rayleigh …

The scaling of fracture compliance

MH Worthington, R Lubbe - Geological Society, London, Special …, 2007 - lyellcollection.org
The seismic visibility of fractures depends on the magnitude of their normal and shear
compliance and how these quantities vary with the scale of the fracture and depth of burial …

Estimation of in situ stresses from PP-wave azimuthal seismic data in fracture-induced anisotropic media

X Pan, Z Liu, P Wang, Y Zheng, L Li, X Wang, Z Guo… - Geophysics, 2022 - library.seg.org
Horizontally transverse isotropy (HTI) induced by vertical or subvertical aligned fractures is
common for unconventional fractured porous shale oil or gas reservoirs. Compared with the …

Depth‐variant azimuthal anisotropy in Tibet revealed by surface wave tomography

S Pandey, X Yuan, E Debayle… - Geophysical …, 2015 - Wiley Online Library
Azimuthal anisotropy derived from multimode Rayleigh wave tomography in China exhibits
depth‐dependent variations in Tibet, which can be explained as induced by the Cenozoic …

Stress patterns and crustal anisotropy in the Eastern Alps: Insights from seismological and geological observations

F Villani, A Antonioli, M Pastori, P Baccheschi… - …, 2024 - Wiley Online Library
Abstract In the Eastern Alps, the indentation of the Adriatic promontory since the Cenozoic
affected the kinematics of separate crustal domains bounded by faults that accommodate …

Separating intrinsic and apparent anisotropy

A Fichtner, BLN Kennett, J Trampert - Physics of the Earth and Planetary …, 2013 - Elsevier
Seismic anisotropy plays a key role in studies of the Earth's rheology and deformation
because of its relation to flow-induced lattice-preferred orientation (LPO) of intrinsically …

The widespread occurrence of low-angle normal faults in a rift setting: Review of examples from Thailand, and implications for their origin and evolution

CK Morley - Earth-Science Reviews, 2014 - Elsevier
Abstract At least 31 low-angle (< 35° dip at the time of initiation), high-displacement (> 1 km)
Cenozoic normal faults are identified on seismic reflection data onshore and offshore …

Shear-wave splitting patterns in Perachora (eastern gulf of Corinth, Greece)

I Spingos, V Kapetanidis, G Michas… - Annals of …, 2023 - annalsofgeophysics.eu
Abstract The Eastern Gulf of Corinth (EGoC) is one of the most seismically active areas in
Greece. It is monitored by local and regional seismic stations of the Hellenic Unified Seismic …