Information - SM23 Monitoring temporal changes of Earth's properties with seismic waves
Event Information
Traditionally, seismic waves were used to investigate the 3D velocity and attenuation structure of the Earth. The detection of temporal changes in the structure was out of reach. Recently, technical and methodological developments led to a number of observations of such temporal changes. The main targets are volcanoes, fault zones, and hydrocarbon reservoirs. In most cases changes of the seismic velocities are monitored. Techniques range from repeated structural studies like tomography or seismic surveys to interferometric approaches that are specifically designed for the detections of temporal changes. The latter group uses repeating earthquakes, repeatable active sources like vibrators or ambient noise.
The observed velocity changes are attributed to migrating fluids, to seismicity induced stress changes or to structural changes like damage in a near surface layer.
To this session we invite contributions on temporal Earth-monitoring with seismic waves. We want to focus on observations and their interpretations. But we also want to discuss theoretical contributions and technical issues of the different approaches with the goal to advance on the way to 4D Seismology.
Preliminary List of Solicited Speakers
Co-Sponsorship
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