Collective behavior of earthquakes and faults: Continuum‐discrete transitions, progressive evolutionary changes, and different dynamic regimes
Y Ben‐Zion - Reviews of Geophysics, 2008 - Wiley Online Library
Crustal deformation patterns are affected by multiscale granulation and healing processes
associated with phase transitions between continuum and discrete states of rocks. The …
associated with phase transitions between continuum and discrete states of rocks. The …
Monitoring velocity variations in the crust using earthquake doublets: An application to the Calaveras Fault, California
G Poupinet, WL Ellsworth… - Journal of Geophysical …, 1984 - Wiley Online Library
We present a technique that greatly improves the precision in measuring temporal variations
of crustal velocities using an earthquake doublet, or pair of microearthquakes that have …
of crustal velocities using an earthquake doublet, or pair of microearthquakes that have …
Coda wave interferometry for estimating nonlinear behavior in seismic velocity
In coda wave interferometry, one records multiply scattered waves at a limited number of
receivers to infer changes in the medium over time. With this technique, we have determined …
receivers to infer changes in the medium over time. With this technique, we have determined …
[图书][B] Principles and applications of microearthquake networks
WHK Lee, SW Stewart - 1981 - books.google.com
Earthquakes occur over a continuous energy spectrum, ranging from high-magnitude, but
rare, earthquakes to those of relatively low magnitude but high frequency of occurrence (ie …
rare, earthquakes to those of relatively low magnitude but high frequency of occurrence (ie …
Preseismic velocity changes observed from active source monitoring at the Parkfield SAFOD drill site
Measuring stress changes within seismically active fault zones has been a long-sought goal
of seismology. One approach is to exploit the stress dependence of seismic wave velocity …
of seismology. One approach is to exploit the stress dependence of seismic wave velocity …
Sudden drop of seismic velocity after the 2004 Mw 6.6 mid‐Niigata earthquake, Japan, observed with Passive Image Interferometry
U Wegler, H Nakahara… - Journal of …, 2009 - Wiley Online Library
Passive Image Interferometry (PII) is a seismological method employing ambient seismic
noise to monitor the temporal evolution of mean shear wave velocity within the Earth. First …
noise to monitor the temporal evolution of mean shear wave velocity within the Earth. First …
On the measurement of seismic traveltime changes in the time–frequency domain with wavelet cross-spectrum analysis
The spatial distribution of temporal variations in seismic wavespeed is key to understanding
the sources and physical mechanisms of various geophysical processes. The imaging of …
the sources and physical mechanisms of various geophysical processes. The imaging of …
Quantitative measurements of shear wave polarizations at the Anza seismic network, southern California: Implications for shear wave splitting and earthquake …
We analyze shear wave polarizations from local earthquakes recorded by the Anza network
in southern California, using an automated method which provides unbiased and …
in southern California, using an automated method which provides unbiased and …
Long‐term observation of in situ seismic velocity and attenuation
We conducted 1‐year continuous measurements of in situ compressional wave velocity and
attenuation across a distance of 12 m in a vault at the coast of Miura Bay, Japan, using a …
attenuation across a distance of 12 m in a vault at the coast of Miura Bay, Japan, using a …
Active source monitoring of cross-well seismic travel time for stress-induced changes
We have conducted a series of cross-well experiments to continuously measure in situ
temporal variations in seismic velocity at two test sites: building 64 (B64) and Richmond …
temporal variations in seismic velocity at two test sites: building 64 (B64) and Richmond …