All homes are cracked to some extent. Advances in sensor technology and computerized data acquisition now make it possible to address fears of vibration-induced cracking by directly measuring crack response.

Charles H. Dowding  (http://www.iti.northwestern.edu/acm/articles/geostrata.html).

YieldPoint, together with its US partner Sauls Seimsic Inc have developed low cost  technology and expertise to provide autonomous monitoring services for home-owners who wish to monitor pre-existing fractures in their homes to determine the effect of external influences such blast vibration, settlement, ground subsidence, or shock due to earthquakes.