Word Origin and History for mercalli
in reference to Mercalli scale, 1900, named for Italian geologist Giuseppe Mercalli (1850-1914), who invented it ("I Terremoti della Liguria e del Piemonte," Naples, 1897). It was a modification of the Rossi-Forel scale (1883).
Online Etymology Dictionary, © 2010 Douglas Harper
Examples from the Web for mercalli
The curve drawn by Professor Mercalli (Fig. 14) coincides nearly with the second of these lines.
Professor Mercalli believes that, in private houses, more than 90 per cent.
The only complete map of the isoseismal lines is that drawn by Professor Mercalli.
Professor Mercalli represents the motion diagrammatically by the curve a in Fig. 35.
Professor Mercalli regards Mallet's method with greater favour than most seismologists.