Dans le cadre de l’intégration aux dispositions européens EPOS, Résif s'est transformé en octobre 2023 en Epos-France, une nouvelle infrastructure de recherche aux contours thématiques plus larges et en accord avec ceux de sa grande sœur européenne.The site OGCN, is located in the commune of Le Chalon (Drôme) at an altitude of 350m. This image shows an overview of the station, with the solar panel for the production of the energy needed to operate this site. We also distinguish the outdoor bay which houses the electronic equipment related to the operation of the site (seismological digitizer, ADSL modem, solar charger, batteries, supervision equipment). Finally, in the foreground is the concrete nozzle that houses the borehole in which the ...