Date           1993-03-28                            
Origin Time    0645 39.51   +-   1.20 
Zone                   50 
Easting            525.71   +-   4.09               Longitude     117.272 
Northing          6463.24   +-  11.55               Latitude      -31.966 
Depth                1.00   +-  27.62  C 

Arrival times    =  7           S.D. = 0.195        Seismographs =  4 
Nearest recorder =   62.1 km    Gap  = 220.9 deg    Accuracy = A 
Effects Code     =              Imax =  0           Fault =          
 
   3 km NW (327 deg) of  QUW 
WESTERN AUSTRALIA
 134 km  E ( 91 deg) of PERTH
  35 km  S (174 deg) of Cunderdin
  Record      Dur    Sync    Unc    Resp   Seismometer      Recorder        Pol 
MAGNITUDES 
Code      R       ML      MD      MB      MS      MW      MN   

No magnitudes known                             Assign ML  1.8 
 
DATA USED
Code  Wave       AT    +-    WT      CT     DT     Dist  Azim    Ad    Ae
KLB  i-P       49.50  0.10  1.31   49.64  -0.14    62.1    48    1.2   1.2 
KLB  e S       57.00  0.20  0.72   56.67   0.33    62.1    48    1.2   1.2 
MUN  e P       55.90  0.10  0.88   55.91  -0.01   100.5   268    0.7   0.7 
MUN  i S       67.30  0.10  1.13   67.28   0.02   100.5   268    0.7   0.7 
BAL  e P       65.30  0.20  0.74   65.04   0.26   160.0   340  -30.8  30.8 
BAL  e S       83.50  0.30  0.61   83.71  -0.21   160.0   340    0.5   0.5 
MRWA e SMS    127.00  1.00  0.25  127.19  -0.19   328.2   337  -25.1  25.1 
                         7 times used, S = 0.195 
Deferred Data
QUW    S-P      5.00  5.00  0.50    0.38   4.62     3.1   147    0.0   0.0 
Velocity Ratios
      KLB   MUN   BAL  
KLB   1.75  1.61  1.68 
      0.04  0.10  0.06 

MUN   1.61  1.70  1.72 
      0.10  0.02  0.10 

BAL   1.68  1.72  1.71 
      0.06  0.10  0.03