Rossi–Forel scale
noun
\¦rȯ|sēfəˈrel-, ¦rä|\
Definition of Rossi–Forel scale
: an arbitrary numerical scale of intensity of seismic disturbances ranging from one for a barely perceptible tremor to 10 for an earthquake of the highest intensity
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Origin and Etymology of rossi–forel scale
after Michele Stefano De Rossi †1898 Italian geologist and François Alphonse Forel †1912 Swiss naturalist
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