Dictionary

Mercalli scale

noun Mer·cal·li scale \mer-ˈkä-lē-, (ˌ)mər-\

Definition of MERCALLI SCALE

:  a scale of earthquake intensity ranging from I for an earthquake detected only by seismographs to XII for one causing total destruction of all buildings

Origin of MERCALLI SCALE

Giuseppe Mercalli †1914 Italian priest and geologist
First Known Use: 1921

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