Event Number 197

M1.7 4 km ( 2 mi) NNW of Montara, CA at 2012/12/30 01:56:55 UTC / 2012/12/30 01:56:55 PDT

Error Map and Stations Used to Locate Event

Errors from USGS Location and Magnitude:

EQPROC = 5.2km (3.2 mi)
HYPO2K = 8.5km (5.3 mi) Magnitude = -1.1

USGS Report:

Date       Time       Lat    Lon      Mag    Depth                Location   
-----------------------------------------------------------------------------------
2012/12/30 01:56:55  37.572 -122.520  M1.7    8.3   4 km (  2 mi) NNW of Montara, CA

EQPROC Summary:

197 2012Dec30  156 56.79  37.5895 -122.4656  4.82 0.00 12.6 39.4 218  5
JCPZ  SHZ PN 08 2012Dec30  156 59.58 P U0  12.6   0.00
ADUB1 SHZ PN 01 2012Dec30  157  7.15 P ?2  57.3   0.00
B057  EHZ PB -- 2012Dec30  157  5.82 P ?3  49.4   0.00
B057  EHZ PB -- 2012Dec30  157 12.04 S U2  49.4  -0.27
B054  EHZ PB -- 2012Dec30  157  3.91 P D0  38.2   0.00

HYPO2K Report:

 YEAR MO DA  --ORIGIN--  --LAT N-  --LON W--  DEPTH   RMS   ERH   ERZ  XMAG1 FMAG1 PMAG
 2012-12-30  0156 57.67  37 35.75  122 25.49   2.72  0.06  1.78  7.94        2.76  2.76E
                                                                                          SOURCE
 NSTA NPHS  DMIN MODEL GAP ITR NFM NWR NWS NVR REMRKS-AVH  N.XMG-XMMAD-T   N.FMG-FMMAD-T  L F X
    4    4   9.0  Emb  212   9   2   4   0   4      -                          1  0.00 E  W W  

 XMAG2-N.XMG2-XMMAD-T-S  FMAG2-N.FMG2-FMMAD-T-S  PREF.MAG-N.PMAG-PRMAD-T
                                                     2.76      1  0.00 E
 REGION=                          

 STA NET COM L CR DIST AZM  AN P/S WT   SEC (TOBS -TCAL -DLY  =RES)  WT   SR  INFO  CAL  DUR-W-FMAG-T -AMP-U-PER-W-XMAG-T DE
 JCPZ PN SHZ 08 A  9.0  95  95  PU    59.58  1.91  1.93 0.00 -0.02  1.45  W  0.999 0.00 47.0   2.76 E                        
 B054 PB EHZ -- A 35.4  34  91  PD    63.91  6.24  6.23 0.00  0.01  1.45  W  0.999 0.00 3.00 4 0.27XE                        
 B057 PB EHZ -- A 49.5 346  90  P  3  65.82  8.15  8.52 0.00 -0.37  0.36  W  1.000 0.00 1.00 4                               
 ADUB1PN SHZ 01 A 55.2 134  90  P  2  67.15  9.48  9.44 0.00  0.04  0.73  W  0.999 0.00 3.00 4 0.31XE                        

Event Files: December 2012