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Instrumental Seismological Platform of ISTerre


Description : The realization of large-scale seismological projects within the framework of Résif has led to a significant increase in the number of fixed and mobile instrument fleets between 2016 and 2020 and has brought to light the need for structures capable of testing, characterizing and calibrating all of this instrumentation. This requires infrastructures such as a dedicated seismological pillar, a test room and specific expertise. The Pise service (Eost Instrumental Seismological Platform) was born in 2016 in Strasbourg to meet this need. ISTerre, in Grenoble, having a seismological pillar in a dedicated room, its Geophysical Instrumentation Service has set up a platform similar to the one in Pise. Identical procedures have been deployed and adapted to the needs of SisMob, GProge (geophysical prospecting instrument park) and local permanent networks. In addition, specific procedures for the accelerometric sensors of the Rap have been developed, including a flip-flop allowing to check the static gain of the sensors along the three axes (from 0 to 1g). The Grenoble platform and a tool at the service of Sismob and the Rap, actions of Résif. Résif is a national research infrastructure dedicated to the observation and understanding of the Earth's internal structure and dynamics. Résif is based on observation networks of high technological level, composed of seismological, geodetic and gravimetric instruments deployed densely throughout France. The data collected allow to study with a high spatio-temporal resolution the ground deformation, the superficial and deep structures, the seismicity at the local and global scale and the natural hazards, especially seismic, on the French territory. Résif integrates with European (EPOS - European Plate Observing System) and worldwide instruments that allow to image the interior of the Earth as a whole and to study many natural phenomena.
Contributor : Solène Malerba Connect in order to contact the contributor
Submitted on : Monday, November 23, 2020 - 9:24:14 AM
Last modification on : Wednesday, November 3, 2021 - 7:29:32 AM
Long-term archiving on: : Wednesday, February 24, 2021 - 6:26:39 PM