NCAeqDD 1984-2011 (version 201112.1):
------------------------------------

# of events total: 				640,208 
# of events with NSTA >= 7: 			524,479
# of events relocated (NSTA>=7): 		512,059  (98%)

# of events with waveforms:			398,585  (77%)
# of correlated events:                		363,676  (91% / 69%)

# of P-/S-wave correlation times (Cf >= 0.7): 	1.00 / 0.69  billion

Standard deviation of lateral/vertical 
relative location error for events mostly 
constrained by 	pick data: 			0.038 / 0.040 km
		x-correlation data:		0.015 / 0.017 km

Difference between 2011 and 2009 DD locations 
for corresponding events (lateral/vertical):			
		absolute median:		0.03 / 0.06 km
		absolute mean:			0.07 / 0.15 km

Difference between 2011 DD and initial (NCSN) 
locations for corresponding events 
(lateral/vertical):			
		absolute median:		0.17 / 0.39 km
		absolute mean:			0.35 / 0.75 km

RMS of pick delay time residuals:		0.023 sec
RMS of correlation delay times residuals:	0.004 sec