Strong ground-motion prediction equations from induced earthquakes in St. Gallen geothermal field, Switzerland

Abstract Ground shaking, whether it is due to natural or induced earthquakes, has always been a matter of concern since correlates with structural/non-structural damage and can culminate in human anxiety. Industrial activities such as water injection, gas sequestration waste fluid disposals, promote seismicity consequent ground shaking that hinder ongoing activities. Therefore, keeping mind the importance timely evaluation seismic hazard its mitigation for societal benefits, present study proposes specifically designed ground-motion prediction equations (GMPEs) from earthquakes St. Gallen geothermal area, Switzerland. The data analysed this consist 343 magnitude −1.17 ≤ ML, corr 3.5 hypocentral distance between 4 15 km. proposed one first incorporate motions negative development GMPEs. GMPEs are inferred two-phase approach. In phase, reference model obtained by considering effect source medium properties on motion. second phase final including site/station effect. comparison developed other environments highlights mismatch ascribed differences regional environment local site conditions respective regions. This suggests that, when dealing specific should be used both monitoring purposes analyses.