Event Number 657

M2.7 m WNW of Concord, California at 2014/11/20 11:46:32 UTC / 2014/11/20 11:46:32 PDT

Error Map and Stations Used to Locate Event

Errors from USGS Location and Magnitude:

EQPROC = 3.2km (2.0 mi)
HYPO2K = 3.8km (2.3 mi) Magnitude = 0.1

USGS Report:

Date       Time       Lat    Lon      Mag    Depth                Location   
-----------------------------------------------------------------------------------
2014/11/20 11:46:32  37.984 -122.052  M2.7  17.2 1km WNW of Concord, California

EQPROC Summary:

657 2014Nov20 1146 33.45  37.9816 -122.0882 14.94 0.02 16.7 46.6 198  5
CBS   SHZ PN 07 2014Nov20 1146 41.50 P D3  43.4   0.00
JCPZ  SHZ PN 08 2014Nov20 1146 42.22 P D0  48.4   0.00
ADUB1 SHZ PN 01 2014Nov20 1146 47.94 P D3  82.1   0.79
B054  EHZ PB -- 2014Nov20 1146 37.61 P D0  16.7  -0.00
B057  EHZ PB -- 2014Nov20 1146 41.35 P U0  42.4   0.00

HYPO2K Report:

 YEAR MO DA  --ORIGIN--  --LAT N-  --LON W--  DEPTH   RMS   ERH   ERZ  XMAG1 FMAG1 PMAG
 2014-11-20  1146 33.68  37 58.63  122W 5.37  15.34  0.00  1.41  1.61        2.64  2.64E
                                                                                          SOURCE
 NSTA NPHS  DMIN MODEL GAP ITR NFM NWR NWS NVR REMRKS-AVH  N.XMG-XMMAD-T   N.FMG-FMMAD-T  L F X
    5    5  16.2  Emb  195   6   5   4   0   5                                 5  0.20 E  W W  

 XMAG2-N.XMG2-XMMAD-T-S  FMAG2-N.FMG2-FMMAD-T-S  PREF.MAG-N.PMAG-PRMAD-T
                                                     2.64      5  0.20 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
 B054 PB EHZ -- A 16.2 217 131  PD    37.61  3.93  3.93 0.00  0.00  1.23  W  1.000 0.00 33.0   2.53 E                        
 B057 PB EHZ -- A 42.2 278 108  PU    41.35  7.67  7.67 0.00  0.00  1.23  W  0.999 0.00 25.0   2.41 E                        
 CBS  PN SHZ 07 A 43.2 113 107  PD 3  41.50  7.82  7.83 0.00 -0.01  0.31  W  1.000 0.00  156 2 4.18 E                        
 JCPZ PN SHZ 08 A 47.8 206 106  PD    42.22  8.54  8.55 0.00 -0.01  1.23  W  1.000 0.00 97.0   3.73 E                        
 ADUB1PN SHZ 01 A 81.6 173  99  PD 3  47.94 14.26 13.91 0.00  0.35  0.00  W  0.000 0.00 31.0   2.67 E                        

Event Files: November 2014