Daly City-area historical earthquake activity is near California state average. It is 735% greater than the overall U.S. average. On 4/18/1906 at 13:12:21, a magnitude 7.9 (7.9 UK, Class: Major, Intensity: VIII - XII) earthquake occurred 36.2 miles away from the city center, causing $524,000,000 total damage.
(Äd-hÄ'zhÉn) 1  The force of attraction that causes two different substances to join. Adhesion causes water to spread out over glass. 2  A fibrous band of abnormal tissue that binds together tissues that are normally separate. Adhesions form during the healing of some wounds, usually as a result of inflammation.
Within tissues, adhesive molecules allow cells to maintain contact with one another and with structures in the extracellular matrix. One especially important class of adhesive molecules is the integrins.