They mostly occur within 1-2 fault lengths of the mainshock. For the largest earthquakes, this is a long distance; it is thought that the 1906 San Francisco earthquake triggered events in southern California, western Nevada, southern central Oregon, and western Arizona, all within 2 days of the mainshock.hey mostly occur within 1-2 fault lengths of the mainshock. For the largest earthquakes, this is a long distance; it is thought that the 1906 San Francisco earthquake triggered events in southern California, western Nevada, southern central Oregon, and western Arizona, all within 2 days of the mainshock.
Nevertheless, you can remove tartar from the teeth at home using certain home remedies. 1  Use a soft bristled toothbrush to clean your teeth, gently, yet effectively. 2  Mix salt and baking soda and brush your teeth to remove tartar from your teeth successfully. 3  Your intake of vitamin C determines your oral health status.
Tartar on Teeth. Teeth tartar, also called dental calculus, is a crusty deposit that can trap stains on the teeth and cause discoloration. It creates a strong bond that can only be removed by a dental professional. Tartar formation may also make it more difficult to remove new plaque and bacteria. Individuals vary greatly in their susceptibility to plaque and tartar on teeth. For many of us, these deposits build up faster as we age.