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[mer-kah-lee, mer-; Italian mer-kahl-lee] /mərˈkɑ li, mɛr-; Italian mɛrˈkɑl li/

noun, Geology.
a measure of earthquake intensity with 12 divisions ranging from I (felt by very few) to XII (total destruction).
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) Compare Richter scale See also intensity (sense 4)
Mercalli scale
(mər-kä’lē, měr-)
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.


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