FORMAT OF THE SCSN (a.k.a. CATREAD or CALTECH) CATALOG LISTINGS
(06/17/03)

COL       LEN     FORMAT     NAME       COMMENT
 1         4        a4       year       YYYY
 6         2        a2       mon        MM
 9         2        a2       day        DD
13         2        a2       hour       HH     (UTC time:
16         2        a2       min        mm      7 hours ahead of Pacific Daylight Time 
19         5        f5.2     sec        SS.ss   8 hours ahead of Pacific Standard Time)
25         3        i3       lat        degrees 
29         5        f5.2     lat        minutes
34         4        i4       lon        degrees
39         5        f5.2     lon        minutes
45         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
47         3       f3.1      magnitude
54         6       f6.2      depth      kilometers
60         3       i3        nph        number of picked phases
67         5       f5.2      rms        root mean square of travel times
73         8       a8        eventid    event ID

EXAMPLE OF A SCSN CATALOG LISTING:

#YYY MM DD  HH mm SS.ss  LATITUDE LONGITUDE Q MAG     DEPTH NPH    RMS   EVID
2003 01 01  00 41 56.53  33 53.11-116 15.47 A 1.5      5.32 30     0.20  9875253
2003 01 01  00 51 44.67  33 22.01-119  7.87 C 3.5      7.01 24     0.39  9875257
2003 01 01  01 47 44.41  33 53.55-116 15.04 A 1.0      3.96 10     0.14  9875261
2003 01 01  02 44 15.48  33 45.16-116 58.95 A 0.9     12.65 15     0.10  9875269
2003 01 01  03 07 54.39  36  6.97-117 52.54 A 1.8      2.80 23     0.19  9875277
2003 01 01  05 35 01.75  33 59.03-116 59.97 A 1.1     17.40 27     0.08  9875289
2003 01 01  06 23 07.13  33 59.83-118 21.95 B 1.3     17.16 15     0.23  9875297
2003 01 01  06 49 28.04  34 18.51-116 27.66 A 0.9      5.20  8     0.06  9875301
2003 01 01  06 59 30.46  35 44.27-117 37.42 A 1.1      4.40 19     0.16  9875305