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
'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