Earthquake‐induced chains of geologic hazards: Patterns, mechanisms, and impacts
Large earthquakes initiate chains of surface processes that last much longer than the brief
moments of strong shaking. Most moderate‐and large‐magnitude earthquakes trigger …
moments of strong shaking. Most moderate‐and large‐magnitude earthquakes trigger …
Nonlinear elasticity observed in buildings during a long sequence of earthquakes
Nonlinear elasticity is evidenced by the variation of the elastic properties of a system under
slight strain and their recovery after loading. These characteristics have been previously …
slight strain and their recovery after loading. These characteristics have been previously …
Fundamentals of nonlinear acoustical techniques and sideband peak count
This chapter gives readers fundamental understandings of various nonlinear acoustical
techniques. It briefly describes the nonlinear techniques that are popular today such as …
techniques. It briefly describes the nonlinear techniques that are popular today such as …
A set of measures for the systematic classification of the nonlinear elastic behavior of disparate rocks
Dynamic acoustoelastic testing is performed on a set of six rock samples (four sandstones,
one soapstone, and one granite). From these studies at 20 strain levels 10− 7< ϵ< 10− 5 …
one soapstone, and one granite). From these studies at 20 strain levels 10− 7< ϵ< 10− 5 …
Acoustothermoelasticity for joint effects of stress and thermal fields on wave dispersion and attenuation
The stress field and thermal field are usually coupled in the Earth's subsurface. The
mechanism of the joint effects of stress and thermal fields on wave propagation in rocks is …
mechanism of the joint effects of stress and thermal fields on wave propagation in rocks is …
Probing the in situ Elastic Nonlinearity of Rocks with Earth Tides and Seismic Noise
C Sens-Schönfelder, T Eulenfeld - Physical review letters, 2019 - APS
Heterogeneous materials such as rocks, concrete, and granular materials exhibit a strong
elastic nonlinearity. The sensitivity of the elastic nonlinearity to the applied stress and pore …
elastic nonlinearity. The sensitivity of the elastic nonlinearity to the applied stress and pore …
Dynamic acousto-elastic testing of concrete with a coda-wave probe: comparison with standard linear and nonlinear ultrasonic techniques
The use of nonlinear acoustic techniques in solids consists in measuring wave distortion
arising from compliant features such as cracks, soft intergrain bonds and dislocations. As …
arising from compliant features such as cracks, soft intergrain bonds and dislocations. As …
Frequency, pressure, and strain dependence of nonlinear elasticity in Berea Sandstone
Acoustoelasticity measurements in a sample of room dry Berea sandstone are conducted at
various loading frequencies to explore the transition between the quasi‐static () and …
various loading frequencies to explore the transition between the quasi‐static () and …
In situ observations of velocity changes in response to tidal deformation from analysis of the high‐frequency ambient wavefield
G Hillers, L Retailleau, M Campillo… - Journal of …, 2015 - Wiley Online Library
We report systematic seismic velocity variations in response to tidal deformation.
Measurements are made on correlation functions of the ambient seismic wavefield at 2–8 Hz …
Measurements are made on correlation functions of the ambient seismic wavefield at 2–8 Hz …
Constraining depth range of S wave velocity decrease after large earthquakes near Parkfield, California
We use noise correlation and surface wave inversion to measure the S wave velocity
changes at different depths near Parkfield, California, after the 2003 San Simeon and 2004 …
changes at different depths near Parkfield, California, after the 2003 San Simeon and 2004 …