Modelling seismicity and ground motion is a critical component of engineering seismology and seismic hazard and risk assessment. In the past, the modelling and assessment of ground motion in terms of source characterisation, wave propagation, and site effects has focussed on low-probability tectonic events (e.g., EU SHARE project). Such events have clear impact for risk in urban areas ; however, the increasing demand for energy and environmental protection means that new technologies are emerging for the exploitation of Earth resources near to urban areas (e.g., geothermal, hydraulic fracturing, shale gas, CO2 storage). These technologies have high probability of inducing seismicity, which is in general of smaller magnitude, but in very close proximity to urban infrastructure. They also have a time-dependent and potentially variable probability, which is exclusive to induced seismicity. This WP will therefore aim to :

• develop our understanding of induced seismicity and its time-dependent progression, in addition to the subsequent ground motion generated in urban areas ;
• make best use of inputs from geotechnical and geophysical data ;
• use this to develop predictive models for the purpose of engineering applications. These models will be calibrated using existing data and data recorded during the progression of the project.

Updated on 5 juillet 2022