Event Number 752

M2.8 m S of Concord, California at 2015/05/05 01:52:59 UTC / 2015/05/05 01:52:59 PDT

Error Map and Stations Used to Locate Event

Errors from USGS Location and Magnitude:

EQPROC = 23.7km (14.7mi)
HYPO2K = 23.8km (14.8mi) Magnitude = -0.2

USGS Report:

Date       Time       Lat    Lon      Mag    Depth                Location   
-----------------------------------------------------------------------------------
2015/05/05 01:52:59  37.967 -122.031  M2.8  12.8 1km S of Concord, California

EQPROC Summary:

752 2015May 5  153  1.90  37.8815 -122.2779  1.53 0.08  7.3 40.4 155  5
JCPZ  SHZ PN 08 2015May 5  153  8.47 P D0  32.8   0.00
CBS   SHZ PN 07 2015May 5  153 12.77 P U0  56.6   0.27
ADUB1 SHZ PN 01 2015May 5  153 14.56 P ?3  75.2  -1.09
B054  EHZ PB -- 2015May 5  153  3.77 P D0   7.3   0.00
B057  EHZ PB -- 2015May 5  153  8.01 P U1  30.1   0.00

HYPO2K Report:

 YEAR MO DA  --ORIGIN--  --LAT N-  --LON W--  DEPTH   RMS   ERH   ERZ  XMAG1 FMAG1 PMAG
 2015-05-05  0153  2.63  37 52.57  122W16.59   1.51  0.38  1.99 32.92        2.98  2.98E
                                                                                          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   7.0  Emb  152   6   4   5   0   5      -                          5  0.38 E  W W  

 XMAG2-N.XMG2-XMMAD-T-S  FMAG2-N.FMG2-FMMAD-T-S  PREF.MAG-N.PMAG-PRMAD-T
                                                     2.98      5  0.38 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  7.0 104  65  PD     3.77  1.14  1.64 0.00 -0.50  1.25  W  0.953 0.00 31.0   2.34 E                        
 B057 PB EHZ -- A 30.4 304  65  PU 1   8.01  5.38  5.45 0.00 -0.07  0.94  W  0.998 0.00 27.0   2.35 E                        
 JCPZ PN SHZ 08 A 32.2 188  65  PD     8.47  5.84  5.74 0.00  0.10  1.25  W  0.971 0.00 75.0   3.35 E                        
 CBS  PN SHZ 07 A 56.3  96  65  PU    12.77 10.14  9.65 0.00  0.49  1.25  W  0.984 0.00 71.0   3.36 E                        
 ADUB1PN SHZ 01 A 74.5 159  65  P  3  14.56 11.93 12.62 0.00 -0.69* 0.31  W  0.091 0.00 47.0   2.98 E                        

Event Files: May 2015