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SM5.2/ERE5.6

Induced Seismicity: Theory and Observation (co-organized)
Conveners: J. C. Groos , P. Jousset  | Co-Conveners: G. Kwiatek , M. Bohnhoff , J.R.R. Ritter , R. Gritto 
Oral Programme
 / Fri, 27 Apr, 08:30–12:00 / Room 27
Poster Programme
 / Attendance Thu, 26 Apr, 17:30–19:00 / Hall A
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Induced seismicity is a common phenomenon in many fields of subsurface exploration and has been found to be associated with i.e. hydrocarbon exploration, geothermal exploitation, open-pit and underground mining operations, CO2 sequestration, and filling of new water reservoirs. Fluid injections for hydro-fracturing to increase subsurface permeability as well as long-term injection for the purpose of long-term storage are some of the reasons for induced seismicity to occur. The understanding of the relationship between exploration techniques and induced seismicity is still limited. New processing methods to analyze the data and quantitative models to better understand the causal relationship between exploration and induced seismicity are needed. We expect presentation of the latest research and field studies related to induced seismicity, both on theoretical aspects and observations. Topics to be presented include temporal variations of physical parameters in reservoirs including stress and pressure changes, spatial-temporal patterns of seismicity, source mechanisms of micro- or larger scale seismicity, mechanisms for triggered or induced events, and fracture-induced anisotropy. Contributions are sought from fundamental and applied research covering the fields of oil and gas exploration including hydro-fracturing, geothermal exploitation particularly related to enhanced geothermal systems, open pit and underground mining, CO2 storage and other fields where induced seismicity is observed. Special interest is also sought in the remotely triggering seismicity in those environments.