FORMAT OF THE SCEDC CATALOG LISTINGS
(Revised 6/17/03)

COL       LEN     FORMAT     NAME       COMMENT
 1        10        a10      date      	YYYY/MM/DD
12        11        a11      time       HH:mm:SS:ss (UTC time--
						     7 hours ahead of Pacific Daylight Time
                                                     8 hours ahead of Pacific Standard Time)
24         2	    a2       eventtype  event type
                                            local (le) 
                                            regional (re) 
                                            teleseism (ts) 
                                            quarry blast (qb) 
                                            sonic boom (sn)
					    nuclear blast (nt)
                                            unknown event (uk)
27         4        f4.2     magnitude
32	   1	    a1	     magtype	 type of magnitude 
                                            'e' energy magnitude
                                            'w' moment magnitude
                                            'b' body-wave magnitude
                                            's' surface-wave magnitude
                                            'l' local (WOOD-ANDERSON) magnitude
                                            'lr' revised local magnitude
                                            'c' coda amplitude
                                            'h' helicorder magnitude (short-period Benioff) 
                                            'd' coda duration magnitude
					    'n' no magnitude		
36         7	    f7.3     lat         decimal degrees
44         8	    f8.3     lon         decimal degrees
53         5	    f5.1     depth       kilometers
59         1	    a1       quality     location quality
					    'A'  +- 1 km horizontal distance
                                                 +- 2 km depth
                                            'B'  +- 2 km horizontal distance
                                                 +- 5 km depth
                                            'C'  +- 5 km horizontal distance 
                                                 no depth restriction
                                            'D'  >+- 5 km horizontal distance
					    'Z'	 no quality listed in database
61         8        a8       eventid	 event ID
70         3	    i3       nph         number of picked phases
75         4        i4       ngrams      number of grams 
                                           (i.e. # of station traces)

EXAMPLE OF A SCEDC CATALOG LISTING:

#YYY/MM/DD HH:mm:SS.ss ET MAG  M    LAT     LON     DEPTH Q  EVID     NPH NGRM
2003/01/01 00:41:56.53 le 1.51 l    33.885 -116.258   5.3 A  9875253   30  284
2003/01/01 00:51:44.67 le 3.49 l    33.367 -119.131   7.0 C  9875257   24  981
2003/01/01 01:47:44.41 le 1.04 l    33.892 -116.251   4.0 A  9875261   10  112
2003/01/01 02:44:15.48 le 0.94 l    33.753 -116.983  12.7 A  9875269   15  195
2003/01/01 03:07:54.39 le 1.76 l    36.116 -117.876   2.8 A  9875277   23  160
2003/01/01 05:35:01.75 le 1.05 l    33.984 -116.999  17.4 A  9875289   27  284
2003/01/01 06:23:07.13 le 1.26 l    33.997 -118.366  17.2 B  9875297   15  333
2003/01/01 06:49:28.04 le 0.90 h    34.309 -116.461   5.2 A  9875301    8  126
2003/01/01 06:59:30.46 le 1.11 l    35.738 -117.624   4.4 A  9875305   19  104