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Authors: Mucciarelli, M. 
Title: Are different M = a + bI0 relationships due to a statistical bias?
Issue Date: Apr-1998
Series/Report no.: 1/41 (1998)
Keywords: intensity
historical earthquakes
Subject Classification04. Solid Earth::04.06. Seismology::04.06.09. Waves and wave analysis 
Abstract: Relationships between magnitude and macroseismic intensity are widely used, even though intensity is a non-metric observable. Several proposed relationships for the Italian and surrounding regions show a significant correlation of the parameters of the widely used functional form M = a + bI0 This could suggest either the common dependence on a third variable or that the different proposed relationships are due to a pivotal phenomenon around average values, mainly driven by data sampling and uncertainties. Synthetic simulations lend support to the last hypothesis.
Appears in Collections:Annals of Geophysics

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