Mercalli-Cancani-Sieberg Scale
Mercalli-Cancani-Sieberg Scale : A macroseismic twelve-degree intensity scale (abbreviated MCS). It is essentially based on the earlier developed and upgraded twelve-degree scale by August Sieberg (Sieberg, 1912, 1923). Siebergs version of 1923 has been translated into English by Wood and Neumann (1931), becoming the Modified Mercalli Scale (MM Scale)