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| Mer·cal·li scale [ mer kállee skayl ] |
noun |
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| Definition: |
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earthquake-measuring scale: a scale for measuring the intensity of earthquakes, ranging from 1 to 12, in which 1 denotes a weak earthquake and 12 one that causes complete destruction.
See also Richter scale
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| [Early 20th century. After Giuseppe Mercalli (1850-1914), Italian geologist] |
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