Ambient seismic wave field

K Nishida - Proceedings of the Japan Academy, Series B, 2017 - jstage.jst.go.jp
The ambient seismic wave field, also known as ambient noise, is excited by oceanic gravity
waves primarily. This can be categorized as seismic hum (1–20 mHz), primary microseisms …

Seismic tomography of the Southern California plate boundary region from noise-based Rayleigh and Love waves

D Zigone, Y Ben-Zion, M Campillo, P Roux - Pure and Applied Geophysics, 2015 - Springer
We use cross-correlations of ambient seismic noise between pairs of 158 broadband and
short-period sensors to investigate velocity structure over the top 5–10 km of the crust in the …

A methodological approach towards high-resolution surface wave imaging of the San Jacinto Fault Zone using ambient-noise recordings at a spatially dense array

P Roux, L Moreau, A Lecointre, G Hillers… - Geophysical Journal …, 2016 - academic.oup.com
We present a new technique for deriving detailed information on seismic velocities of the
subsurface material from continuous ambient noise recorded by spatially dense seismic …

Seasonal variations of seismic velocities in the San Jacinto fault area observed with ambient seismic noise

G Hillers, Y Ben-Zion, M Campillo… - Geophysical Journal …, 2015 - academic.oup.com
We observe seasonal seismic wave speed changes (dv/v) in the San Jacinto fault area and
investigate several likely source mechanisms. Velocity variations are obtained from analysis …

Seismic velocity structure in the Hot Springs and Trifurcation areas of the San Jacinto fault zone, California, from double-difference tomography

AA Allam, Y Ben-Zion, I Kurzon… - Geophysical Journal …, 2014 - academic.oup.com
We present tomographic images of crustal velocity structures in the complex Hot Springs
and Trifurcation areas of the San Jacinto Fault Zone (SJFZ) based on double-difference …

Tomography of Southern California via Bayesian joint inversion of Rayleigh wave ellipticity and phase velocity from ambient noise cross‐correlations

EM Berg, FC Lin, A Allam, H Qiu… - Journal of …, 2018 - Wiley Online Library
A self‐consistent regional‐scale seismic velocity model with resolution from seismogenic
depth to the surface is crucial for seismic hazard assessment. Though Southern California is …

Noise-based monitoring and imaging of aseismic transient deformation induced by the 2006 Basel reservoir stimulation

G Hillers, S Husen, A Obermann, T Planès, E Larose… - Geophysics, 2015 - library.seg.org
We have analyzed the time-dependent properties of the ambient seismic wavefield between
0.1 and 8 Hz to detect, resolve, monitor, and image the deformation induced by the water …

Imaging subsurface structures in the San Jacinto fault zone with high-frequency noise recorded by dense linear arrays

D Zigone, Y Ben-Zion, M Lehujeur… - Geophysical Journal …, 2019 - academic.oup.com
SUMMARY Cross-correlations of 2–35 Hz ambient seismic noise recorded by three linear
arrays across the San Jacinto Fault Zone (SJFZ) in Southern California are used to derive …

Seismic velocity variations at TCDP are controlled by MJO driven precipitation pattern and high fluid discharge properties

G Hillers, M Campillo, KF Ma - Earth and Planetary Science Letters, 2014 - Elsevier
Using seismic noise based monitoring techniques we find that seismic velocity variations
(dv/v) observed with the borehole array of the Taiwan Chelungpu-fault Drilling Project …

Focal spot imaging based on zero lag cross‐correlation amplitude fields: Application to dense array data at the San Jacinto fault zone

G Hillers, P Roux, M Campillo… - Journal of Geophysical …, 2016 - Wiley Online Library
We image the subsurface below a dense seismic array straddling the Clark branch of the
San Jacinto fault zone in Southern California. The analysis is based on focal spots of surface …