|Mercalli scale (mɜːˈkælɪ)|
|Compare Richter scale See also intensity a 12-point scale for expressing the intensity of an earthquake, ranging from 1 (not felt, except by few under favourable circumstances) to 12 (total destruction)|
|[C20: named after Giuseppe Mercalli (1850--1914), Italian volcanologist and seismologist]|
|Mercalli scale (mər-kä'lē, měr-) Pronunciation Key
A scale of earthquake intensity based on observed effects and ranging from I (detectable only with instruments) to XII (causing almost total destruction). It is named after the Italian seismologist Giuseppe Mercalli.