Train traffic as a powerful noise source for monitoring active faults with seismic interferometry
Laboratory experiments report that detectable seismic velocity changes should occur in the
vicinity of fault zones prior to earthquakes. However, operating permanent active seismic …
vicinity of fault zones prior to earthquakes. However, operating permanent active seismic …
Humming trains in seismology: An opportune source for probing the shallow crust
Seismologists are eagerly seeking new and preferably low‐cost ways to map and track
changes in the complex structure of the top few kilometers of the crust. By understanding it …
changes in the complex structure of the top few kilometers of the crust. By understanding it …
Diurnal and Semidiurnal P‐ and S‐Wave Velocity Changes Measured Using an Airgun Source
B Wang, W Yang, W Wang, J Yang… - Journal of Geophysical …, 2020 - Wiley Online Library
Monitoring the subtle seismic velocity changes provides a promising tool to study the Earth's
dynamic processes. However, the precise monitoring of seismic velocity with high temporal …
dynamic processes. However, the precise monitoring of seismic velocity with high temporal …
Continuous monitoring system for safe managements of CO2 storage and geothermal reservoirs
We have developed a new continuous monitoring system based on small seismic sources
and distributed acoustic sensing (DAS). The source system generates continuous …
and distributed acoustic sensing (DAS). The source system generates continuous …
Seeking repeating anthropogenic seismic sources: Implications for seismic velocity monitoring at fault zones
Seismic velocities in rocks are highly sensitive to changes in permanent deformation and
fluid content. The temporal variation of seismic velocity during the preparation phase of …
fluid content. The temporal variation of seismic velocity during the preparation phase of …
Modelling P waves in seismic noise correlations: advancing fault monitoring using train traffic sources
The theory of Green's function retrieval essentially requires homogeneously distributed
noise sources. Even though these conditions are not fulfilled in nature, low-frequency (< 1 …
noise sources. Even though these conditions are not fulfilled in nature, low-frequency (< 1 …
Real-time crustal monitoring system of Japanese Islands based on spatio-temporal seismic velocity variation
To continuously monitor crustal behavior associated with earthquakes, magmatic activities
and other environmental effects (eg, tides and rain precipitation), we have developed a …
and other environmental effects (eg, tides and rain precipitation), we have developed a …
Seismic Beacon—A New Instrument for Detection of Changes in Rock Massif
R Lukešová, J Málek - Sensors, 2023 - mdpi.com
The seismic beacon is a new instrument that allows for the measurement of changes in a
rock massif with high sensitivity. It is based on effects, which affect the propagation of …
rock massif with high sensitivity. It is based on effects, which affect the propagation of …
Seismic velocity response to atmospheric pressure using time‐lapse passive seismic interferometry
C Gradon, F Brenguier… - Bulletin of the …, 2021 - pubs.geoscienceworld.org
Seismic velocities in the shallow crust down to a few kilometers depth show a remarkable
sensitivity to stress perturbations due to the presence of compliant pores, cracks, fractures …
sensitivity to stress perturbations due to the presence of compliant pores, cracks, fractures …
Ground water-induced changes in velocities of P and S waves (Vp and Vs) measured using an accurately controlled seismic source
We analyze temporal variations in the travel times of both P and S waves (Vp and Vs) for 14
months at Toyohashi (central Japan) with a continuously operating vibration source that …
months at Toyohashi (central Japan) with a continuously operating vibration source that …