Trailing averages
	l Several running averages are computed for this sequence in the trailing time window (t - s, t) and magnitude range    M0 > Mi ³ m. l They depict different measures of intensity in earthquake flow, its deviation from the long-term trend, and clustering of earthquakes. The averages include:
			Sixth Workshop on Non-Linear Dynamics and Earthquake Prediction The Abdus Salam ICTP, Miramare
	22/10/2001					9