Results 101 to 110 of about 3,196,310 (243)

Fault activity studies in the Lower Tagus valley and Lisbon region using geophysical data [PDF]

, 2018
he Metropolitan Area of Lisbon and the Lower Tagus Valley (LTV) region are located in central Portugal and inhabited by nearly 4 million people. The region has suffered throughout its history the effect of destructive earthquakes caused by hidden faults,
Alves, Daniela, Borges, José, Carvalho, João, Ghose, Ranajit, Ramalho, Elsa   +4 more
core  

Evaluation and developmental studies of possible active seismic experiments during the post-Apollo period [PDF]

Seismic velocity studies pertinent to the lunar crust and mantle are briefly summarized. The compressional and shear wave velocities in loose aggregates are discussed along with the effects of temperature on seismic velocity in compacted powders ...
Kovach, R. L.
core   +1 more source

Separation of Body and Surface Wave Background Noise and Passive Seismic Interferometry Based on Synchrosqueezed Continuous Wavelet Transform

Applied Sciences
Passive seismic interferometry is a technique that reconstructs virtual seismic records using ambient noise, such as random noise or microseisms. The ambient noise in passive seismic data contains rich information, with surface waves being useful for the
Xiaolong Li, Fengjiao Zhang, Zhuo Xu, Xiangbo Gong   +3 more
doaj   +1 more source

Estimating a Seismic Wave Velocity for Exciting the Greatest Anticipated Vertical Deck Displacement of a Cable-Stayed Bridge Subjected to Asynchronous Excitation. [PDF]

Int J Concr Struct Mater, 2021
Hariri B, Lin L.
europepmc   +1 more source

Asymptotic wave-splitting in anisotropic linear acoustics

, 2009
Linear acoustic wave-splitting is an often used tool in describing sound-wave propagation through earth's subsurface. Earth's subsurface is in general anisotropic due to the presence of water-filled porous rocks.
B.L.G. Jonsson, Brekhovskikh, de Hoop, de Hoop, de Hoop, de Hoop, Doicu, Egorov, Engquist, Fishman, Gustafsson, He, Horn, Johansson, Jonsson, Jonsson, Jonsson, Kristensson, Kristensson, Landau, Le Rousseau, Lundstedt, M. Norgren, Malcolm, Morro, Rikte, Shubin, Stolk, Stolk, Weston, Weston, Weston, Wu, Zhang   +33 more
core   +1 more source

The effect of methane hydrate morphology and water saturation on seismic wave attenuation in sand under shallow sub-seafloor conditions

, 2013
A better understanding of seismic wave attenuation in hydrate-bearing sediments is needed for the improved geophysical quantification of seafloor methane hydrates, important for climate change, geohazard and economic resource assessment.
A. Best, J. Priest, C. Clayton, E. Rees
semanticscholar   +1 more source

Analytic and numerical solutions to the seismic wave equation in continuous media. [PDF]

Proc Math Phys Eng Sci, 2020
Walters SJ, Forbes LK, Reading AM.
europepmc   +1 more source

Shaking Tables Test on Seismic Responses of a Long-Span Rigid-Framed Bridge Considering Traveling Wave Effect and Soil–Structure Interaction

Buildings
The traveling wave effect and soil–structure interaction have significant influence on the seismic response of large-span bridges with complex site conditions.
Xiao-Yu Yan, Shan-Shan Cao, Zhuo Zhao
doaj   +1 more source

Characteristics of T-wave generation around submarine volcanoes

Earth, Planets and Space
Unexpected major tsunamis have occurred at Sumisu Caldera with an interval of about 10 years. Recently, a similar unexpected major tsunami from Sofu Seamount was reported. Sumisu Caldera and Sofu Seamount are submarine volcanoes far south of Japan. Large
Shunsuke Takemura
doaj   +1 more source

Numerical study on the impact of coal fractures on seismic wave dispersion and attenuation: anisotropic WIFF effects. [PDF]

Sci Rep
Li B, Zou G, Wang J, Chen H, Zhu G.
europepmc   +1 more source