Function G
	The ratio of the number of earthquakes from two magnitude ranges – G(t½m1,m2,s) = 1 - N(t | m2,s) / N(t | m1,s) l The values m1 and m2 may result from inspecting the frequency-magnitude statistics of earthquakes.
			Sixth Workshop on Non-Linear Dynamics and Earthquake Prediction The Abdus Salam ICTP, Miramare
	16/10/2001					13