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This is the OneGeology archive website, for the latest information return to the main OneGeology website



Geological maps are the prime source of information when we attempt to delineate and predict geological hazards. These hazards include cataclysmic events like earthquakes, but also more subtle, but costly problems like subsidence.





  • Argiles
    Ce site fournit des informations sur l’aléa retrait – gonflement des sols argileux en France.
    This site provides information on clay soil shrinkage and swelling risks in France.
  • BD Cavité
    Base de données nationale sur les cavités souterraines en France.
    National database on subterranean cavities in France.
  • BDMvt
    Base de données nationale sur les mouvements de terrain en France.
    National database on land movements in France.
  • Le Plan Séisme
    Le Plan Séisme est un programme national de prévention du risque sismique en France.
    The « Plan Séisme » is a national programme which objective is to reduce in France vulnerability to seismic hazard.
  • SisFrance
    Base de données nationale des séismes en France.
    National database on earthquakes in France.
  • Le risque sismique en France
  • Les risques telluriques (Natural risks)
    No 4 Géosciences, la revue du BRGM pour une Terre durable
    Issue 4 of BRGM’s journal for a sustainable Earth


If you have other examples of an application of geological map data on the web, and would like your link included here, please let us know -