In France, there is a useful database that you can search to find out about the level of seismic risk for your commune.
First choose your region(click the map or select from the list) and then drill down to find your commune.
This is the info that comes up for our commune:
There are some FAQs on
http://www.planseisme.fr/-FAQ-162- and also a bunch of other info there related to construction – though of course no detail!
There is some more general info about seismic and other environmental risks on this http://www.prim.net/seismes/