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
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Origin of MERCALLI SCALE

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

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