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Seismic zones according to the SIA 261 standard
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 valu...
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Map of potential permafrost distribution
Regions and cities, Environment
The map shows the potential permafrost distribution in Switzerland based on modelling. In Switzerland, above 2400 metres the ground can be permanently frozen, depending on its g...
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Map of seismic subsoil categories according to the standard SIA 261
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 ...
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“Aquaprotect” areas of flooding: 50-year recurrence period
Regions and cities, Environment
The areas of flooding included in “Aquaprotect” take the form of a rough overview (prepared with the aid of basic methods) of areas of Switzerland that are susceptible to damage...
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“Aquaprotect” areas of flooding: 250-year recurrence period
Regions and cities, Environment
The areas of flooding included in “Aquaprotect” take the form of a rough overview (prepared with the aid of basic methods) of areas of Switzerland that are susceptible to damage...
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Aquaprotect” areas of flooding: 100-year recurrence period
Regions and cities, Environment
The areas of flooding included in “Aquaprotect” take the form of a rough overview (prepared with the aid of basic methods) of areas of Switzerland that are susceptible to damage...
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Map of past earthquakes in Switzerland and neighbouring regions
Regions and cities, Environment
ECOS09 is the earthquake catalogue of Switzerland and bordering regions. It integrates the following sources: - Macroseismic Earthquake Catalogue of Switzerland (MECOS 02) with ...
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Perimeters of existing spectral micro-zoning studies
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 mode...
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Hanglagen Abschwemmung
Agriculture, fisheries, forestry and food, Regions and cities
Der Datensatz Hanglagen Abschwemmung dient dazu, die Flächen zu bestimmen, auf welchen Massnahmen gegen Abschwemmung zu ergreifen sind. Die Massnahmen gegen Abschwemmung richten...
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“Aquaprotect” areas of flooding: 500-year recurrence period
Regions and cities, Environment
The areas of flooding included in “Aquaprotect” take the form of a rough overview (prepared with the aid of basic methods) of areas of Switzerland that are susceptible to damage...