Event Number 748

M2.5 m S of Concord, California at 2015/05/03 22:01:42 UTC / 2015/05/03 22:01:42 PDT

Error Map and Stations Used to Locate Event

Errors from USGS Location and Magnitude:

EQPROC = 22.3km (13.9mi)
HYPO2K = 20.0km (12.5mi) Magnitude = 0.1

USGS Report:

Date       Time       Lat    Lon      Mag    Depth                Location   
-----------------------------------------------------------------------------------
2015/05/03 22:01:42  37.968 -122.033  M2.5  12.8 1km S of Concord, California

EQPROC Summary:

748 2015May 3 2201 45.79  37.8847 -122.2644  2.59 0.09  6.3 40.3 157  5
JCPZ  SHZ PN 08 2015May 3 2201 52.25 P U0  33.3  -0.00
CBS   SHZ PN 07 2015May 3 2201 56.52 P U3  55.5   0.51
ADUB1 SHZ PN 01 2015May 3 2201 58.43 P U2  75.1  -0.90
B054  EHZ PB -- 2015May 3 2201 47.50 P D0   6.3  -0.00
B057  EHZ PB -- 2015May 3 2201 51.84 P ?2  30.9  -0.00

HYPO2K Report:

 YEAR MO DA  --ORIGIN--  --LAT N-  --LON W--  DEPTH   RMS   ERH   ERZ  XMAG1 FMAG1 PMAG
 2015-05-03  2201 46.17  37 53.04  122W14.94   1.29  0.22  1.38 17.09        2.35  2.35E
                                                                                          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   5.1  Emb  157   9   4   5   0   5      -                          5  0.32 E  W W  

 XMAG2-N.XMG2-XMMAD-T-S  FMAG2-N.FMG2-FMMAD-T-S  PREF.MAG-N.PMAG-PRMAD-T
                                                     2.35      5  0.32 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  5.1 121  40  PD    47.50  1.33  1.37 0.00 -0.04  1.54  W  0.999 0.00 25.0   2.12 E                        
 B057 PB EHZ -- A 32.0 300  35  P  2  51.84  5.67  5.76 0.00 -0.09  0.77  W  0.981 0.00 19.0   2.02 E                        
 JCPZ PN SHZ 08 A 33.5 192  35  PU    52.25  6.08  5.99 0.00  0.09  1.54  W  0.897 0.00 39.0   2.73 E                        
 CBS  PN SHZ 07 A 54.0  97  35  PU 3  56.52 10.35  9.33 0.00  1.02* 0.38  W  0.715 0.00 80.0 1 3.47 E                        
 ADUB1PN SHZ 01 A 74.6 161  35  PU 2  58.43 12.26 12.67 0.00 -0.41  0.77  W  0.406 0.00 25.0   2.38 E                        

Event Files: May 2015