Stone weathering in the natural environment basically comes down the effects of salt crystallisation and acid rain. If elephants never forget neither do building stones, what this space for more on the memory effect Hazard reduction is an important issue. In this document is an example of seismic hazard legislation from the United States of America. This is only a small taster of what can be found in the California. Visit the Earthquake Engineering Research Institute for more information.
Liquefaction is one of the most important problems resulting from strong earthquakes.
The breakage of water and gas pipelines because of soil liquefaction was the cause of the devastating fires which followed the 1906 San Francisco earthquake.