3 datasets found

  • Map of seismic subsoil categories according to the standard SIA 261

    Federal Office for the Environment FOEN
    Regions and cities, Environment

    The site class is a required indication to determine the seismic action for a structure according to the building code SIA 261. The maps of site classes are indicative maps and are...

    Last updated: January 12, 2023

    • SERVICE
    • WMTS
    • WMS
    • ZIP
    • HTML
    • API
    • microzonation
    • conservation-and-archiving-planning-aap---confederation
    • earthquake
    • natural-risk-zones
    • fsdi-federal-spatial-data-infrastructure
  • Seismic zones according to the SIA 261 standard

    Federal Office for the Environment FOEN
    Regions and cities, Environment

    Map of seismic zones from the SIA 261 Standard “Actions on Structures” (2020). A design value is specified for the horizontal ground acceleration agd (in m/s2). This design value...

    Last updated: March 30, 2011

    • SERVICE
    • WMS
    • WMTS
    • HTML
    • hazard-area
    • natural-risk
    • earthquake
    • natural-risk-zones
    • fsdi-federal-spatial-data-infrastructure
    • conservation-and-archiving-planning-aap---confederation
    • hazard-map
  • Perimeters of existing spectral micro-zoning studies

    Federal Office for the Environment FOEN
    Regions and cities, Environment

    Perimeters for which a spectral seismic micro-zonation study is available with links to further information. The amplification of seismic waves through the local geology is modeled...

    Last updated: June 9, 2023

    • SERVICE
    • WMTS
    • WMS
    • HTML
    • API
    • conservation-and-archiving-planning-aap---confederation
    • earthquake
    • natural-risk-zones
    • fsdi-federal-spatial-data-infrastructure