Rossi-Forel scale

noun

¦rȯ|sēfəˈrel-,
¦rä|
: 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

Word History

Etymology

after Michele Stefano De Rossi †1898 Italian geologist and François Alphonse Forel †1912 Swiss naturalist

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Cite this Entry

“Rossi-Forel scale.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Rossi-Forel%20scale. Accessed 6 Feb. 2023.

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