Only to a limited extent. Although corresponding standards have been in force since 1989, only a small number of cantons insist upon their implementation. The following cantons have explicitly anchored adherence to the applicable standards of the Swiss Society of Engineers and Architects (SIA) in their statutory regulations, or impose earthquake-specific conditions within the context of planning permission procedures:
As a rule, buildings constructed before 1989 did not take earthquakes into account.
Earthquake-resistant construction
Federal Office for the Environment (FOEN)