Preliminary Analysis of the Seismograph at HKC  for April 2006					
Date	Phase	Component	Time (UTC)	D*	Remarks
			HHMMSS		
Year 2006					
1-Apr	iP	ENZ	100356.5		
	iS	ENZ	100505.7		
2-Apr	Nil				
3-Apr	Nil				
4-Apr	Nil				
5-Apr	Nil				
6-Apr	Nil				
7-Apr	iP	Z'	084214	72.7 	
	iS	E'N'	085132		
8-Apr	Nil				
9-Apr	Nil				
10-Apr	Nil				
11-Apr	Nil				
12-Apr	P	Z'	011552		
13-Apr	Nil				
14-Apr	iP	Z'	093306	24.9 	
	iS	Z'	093728		
15-Apr	iP	E'Z'	224233	6.6 	
	iS	E'N'	224348		
16-Apr	Nil				
17-Apr	Nil				
18-Apr	iP	Z'	000018	62.5 	Compr.
	iS	N'	000843		
19-Apr	iP	Z'	204242	28.0 	Compr.
	iS	N'Z'	204724		
20-Apr	iP	E'N'Z'	233419	53.5 	Compr to SW
	iS	N'	234150		
21-Apr	iP	E'N'Z'	044154	52.7 	Compr.
	S	Z'	044920		
21-Apr	iP	E'N'Z'	112336	53.8 	Compr to S
	iS	N'Z'	113109		
22-Apr	Nil				
23-Apr	Nil				
24-Apr	Nil				
25-Apr	iP	E'N'Z'	183151	27.7 	Compr to N
	iS	E'N'Z'	183632		
26-Apr	Nil				
27-Apr	Nil				
28-Apr	P	E'N'Z'	090710		
					
29-Apr	P	E'N'Z'	041250	33.8 	
	S	N'	041812		
29-Apr	iP	E'N'Z'	170724	53.0 	Compr to SE
	iS	N'Z'	171452		
29-Apr	P	Z'	082754	63.9 	
	S	E'N'Z'	083628		
30-Apr	iP	N'Z'	004828	25.3 	Compr to N
	iS	N'Z'	005253		
30-Apr	P	Z'	193730		

'    Indicates long period records only.					
"   Indicates short period records only.					
*   Epicentral distance estimated from Jeffreys, H. and Bullen, K.E. Seismological Tables