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Map of the recent earthquakes (last 90 days) in and around Switzerland
Regions and cities, Environment
The map of the earthquakes of the last 90 days shows the current seismic activity in Switzerland and the nearby regions recorded by the Swiss Seismological Service at the ETH Zu...
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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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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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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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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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Erdbebenmikrozonierung
Regions and cities, Environment
Der Plan zeigt die Zonen und Subzonen der quantitativen Erdbebenmikrozonierung der Region Basel. Diese sind eine Planungsgrundlage zum erdbebensicheren Bauen.