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1 Swiss Seismological Service 2 BRGM - Bureau de Recherches Géologiques et Minières

Abstract : Within the framework of the EC-funded project REAKT Strategies and Tools for Real Time Earthquake Risk Reduction, FP7, contract no. 282862, 2011-2014, www.reaktproject.eu, a task concerns feasibility study and initial implementation of Earthquake Early Warning EEW and timedependent seismic hazard analyses aimed at mitigating seismic risk at nuclear power plants NPPs in Switzerland. This study is jointly carried out by academic institutions the Swiss Seismological Service at ETHZ and BRGM and in cooperation with swissnuclear, the nuclear energy section of swisselectric, an umbrella organisation for the nuclear power plants in Switzerland, which provide about 40% of the electricity needs of the country. Briefly presented in this contribution are the main investigations carried out and results obtained throughout the development of this task, with special focus on: a evaluating the performances of the selected EEW algorithm the Virtual Seismologist, VS in Switzerland and California, in terms of correct detections, false alerts, and missed events; b embedding the VS algorithm into the earthquake monitoring software SeisComP3 www.seiscomp3.org routinely used by the Swiss Seismological Service for earthquake detections and locations; c customising the User Display a graphical interface originally developed at the California Institute of Technology Caltech during Phase II of the ShakeAlert project in California for optimised use at Swiss NPPs; d presenting synthetic time-dependent hazard scenarios for Switzerland and e attempting to associate the above input data with potential mitigation actions and related cost and benefits for NPPs in Switzerland.

Keywords : earthquake risk earthquake early warning operational earthquake forecasting nuclear power plants decision-making

Autor: Carlo Cauzzi - Yannik Behr - John Clinton - Thomas Le Guenan - John Douglas - Samuel Auclair - Stefan Wiemer - Jochen Wössner -

Fuente: https://hal.archives-ouvertes.fr/


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