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 earthquake (eq) quarry blast (qb) sonic boom (sn) nuclear blast (nt) unknown event (uk) 28 2 a1 gtype geographical type local (l) regional (r) teleseism (t) 30 4 f4.2 magnitude 35 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 39 7 f7.3 lat decimal degrees 47 8 f8.3 lon decimal degrees 56 5 f5.1 depth kilometers 62 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 64 8 a8 eventid event ID 73 3 i3 nph number of picked phases 78 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 GT MAG M LAT LON DEPTH Q EVID NPH NGRM 2019/07/04 17:14:09.20 eq l 0.37 l 35.70550 -117.49350 10.9 A 37229236 17 113 2019/07/04 17:14:10.46 eq l 0.50 l 35.69117 -117.53533 13.0 B 37229244 11 153 2019/07/04 17:15:35.50 eq l 0.42 l 35.71083 -117.48133 11.6 A 37229260 19 120 2019/07/04 17:15:47.19 eq l 1.43 l 35.70683 -117.50183 9.0 A 38443151 65 1739 2019/07/04 17:16:18.57 eq l 0.62 l 35.70900 -117.49033 10.2 A 37229268 19 201 2019/07/04 17:27:00.04 eq l 1.45 l 34.17483 -117.49883 3.0 A 38443167 98 2330 2019/07/04 17:27:35.14 eq l 0.54 l 35.70250 -117.50167 9.6 A 37229276 19 168 2019/07/04 17:33:49.00 eq l 6.40 w 35.70533 -117.50383 10.5 A 38443183 105 3359 2019/07/04 17:35:01.66 eq l 4.49 lr 35.64400 -117.56717 4.6 A 38443191 69 3356 2019/07/04 17:35:46.34 eq l 3.63 l 35.69367 -117.43700 7.7 B 37222356 19 3142