Event Number 817

M2.0 m NNE of Fremont, California at 2015/07/21 13:39:05 UTC / 2015/07/21 13:39:05 PDT

Error Map and Stations Used to Locate Event

Errors from USGS Location and Magnitude:

EQPROC = 3.2km (2.0 mi)
HYPO2K = 3.4km (2.1 mi) Magnitude = -0.4

USGS Report:

Date       Time       Lat    Lon      Mag    Depth                Location   
-----------------------------------------------------------------------------------
2015/07/21 13:39:05  37.577 -121.975  M2.0   6.6 3km NNE of Fremont, California

EQPROC Summary:

817 2015Jul21 1339  5.48  37.5930 -121.9448 16.00 0.00 28.8 44.4 154  4
CML   SHZ PN 07 2015Jul21 1339 11.39 P U0  28.8  -0.00
ADUB1 SHZ PN 01 2015Jul21 1339 12.81 P U1  38.5  -0.00
B054  EHZ PB -- 2015Jul21 1339 12.62 P ?0  37.2  -0.00
B057  EHZ PB -- 2015Jul21 1339 17.91 P D2  73.0   0.07

HYPO2K Report:

 YEAR MO DA  --ORIGIN--  --LAT N-  --LON W--  DEPTH   RMS   ERH   ERZ  XMAG1 FMAG1 PMAG
 2015-07-21  1339  5.33  37 35.68  121W56.32  21.25  0.00  0.94  4.41        2.41  2.41E
                                                                                          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  28.4  Emb  154   6   3   4   0   4                                 3  0.16 E  W W  

 XMAG2-N.XMG2-XMMAD-T-S  FMAG2-N.FMG2-FMMAD-T-S  PREF.MAG-N.PMAG-PRMAD-T
                                                     2.41      3  0.16 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
 CML  PN SHZ 07 A 28.4 117 118  PU    11.39  6.06  6.06 0.00  0.00  1.23  W  0.999 0.00 29.0   2.57 E                        
 B054 PB EHZ -- A 37.4 323 108  P     12.62  7.29  7.29 0.00  0.00  1.23  W  1.000 0.00 19.0   2.21 E                        
 ADUB1PN SHZ 01 A 38.7 186 106  PU 1  12.81  7.48  7.48 0.00  0.00  0.92  W  0.999 0.00 23.0   2.41 E                        
 B057 PB EHZ -- A 73.2 312  92  PD 2  17.91 12.58 12.57 0.00  0.01  0.62  W  0.999 0.00 5.00 4 0.98XE                        

Event Files: July 2015