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((Refimprove|date=September 2014))
((Broader|Earthquake engineering))
'''Mitigation of seismic motion''' is an important factor in [[earthquake engineering]] and [[construction]] in [[earthquake]]-prone areas. The destabilizing action of an earthquake on constructions may be direct (seismic motion of the ground) or indirect (earthquake-induced [[landslide]]s, [[soil liquefaction|liquefaction of the foundation soils]] and waves of [[tsunami]]).

Knowledge of local [[Amplifier|amplification]] of the seismic motion from the bedrock is very important in order to choose the suitable design solutions.  Local amplification can be anticipated from the presence of particular  stratigraphic conditions, such as soft soil overlapping the [[bedrock]], or where morphological settings (e.g. crest zones, steep slopes, valleys, or endorheic basins) may produce focalization of the seismic event.

The identification of the areas potentially affected by earthquake-induced [[landslides]] and by [[soil liquefaction]] can be made by geological survey and by analysis of historical documents.  Even quiescent and stabilized landslide areas may be reactivated by severe earthquake.<ref name=Reitherman>((cite book|last=Reitherman|first=Robert|title=Earthquakes and Engineers: An International History|year=2012|publisher=ASCE Press|location=Reston, VA|isbn=9780784410714|url=http://www.asce.org/Product.aspx?id=2147487208&productid=154097877|url-status=dead|archiveurl=https://web.archive.org/web/20120726183407/http://www.asce.org/Product.aspx?id=2147487208&productid=154097877|archivedate=2012-07-26))</ref>  Young soil may be particularly susceptible to liquefaction.

==See also==
*[[Base isolation]]
*[[Seismic hazard]]
*[[Seismic performance]]
*[[Tuned mass damper]]
*[[Vibration control]]
*[[Crash testing]]

==References==
((reflist))

[[Category:Building engineering]]
[[Category:Earthquake and seismic risk mitigation]]

((seismology-stub))

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