Event Number 837

M3.2 km SE of Ridgemark, California at 2015/08/18 07:57:59 UTC / 2015/08/18 07:57:59 PDT

Error Map and Stations Used to Locate Event

Errors from USGS Location and Magnitude:

EQPROC = 11.6km (7.2 mi)
HYPO2K = 3.1km (1.9 mi) Magnitude = -0.0

USGS Report:

Date       Time       Lat    Lon      Mag    Depth                Location   
-----------------------------------------------------------------------------------
2015/08/18 07:57:59  36.711 -121.189  M3.2   6.8 19km SE of Ridgemark, California

EQPROC Summary:

837 2015Aug18  758  0.03  36.6615 -121.3031  3.00 0.07 28.9 88.7 168  5
ATZ   SHZ PN 01 2015Aug18  758 11.59 P U1  63.3   0.10
ADUB1 SHZ PN 01 2015Aug18  758 15.39 P ?3  88.4  -0.33
B054  EHZ PB -- 2015Aug18  758 24.89 P U2 154.9   0.27
B058  EHZ PB -- 2015Aug18  758  5.66 P D0  28.9  -0.01
B073  EHZ PB -- 2015Aug18  758 18.07 P U3 108.1  -0.54

HYPO2K Report:

 YEAR MO DA  --ORIGIN--  --LAT N-  --LON W--  DEPTH   RMS   ERH   ERZ  XMAG1 FMAG1 PMAG
 2015-08-18  0757 59.76  36 43.83  121W12.35   3.00  0.25  2.61 22.01        3.22  3.22E
                                                                                          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  34.3  Emb  176  11   4   5   0   5      -                          4  0.20 E  W W  

 XMAG2-N.XMG2-XMMAD-T-S  FMAG2-N.FMG2-FMMAD-T-S  PREF.MAG-N.PMAG-PRMAD-T
                                                     3.22      4  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
 B058 PB EHZ -- A 34.3 283  91  PD    65.66  5.90  6.05 0.00 -0.15  1.88  W  0.987 0.00 55.0   3.06 E                        
 ATZ  PN SHZ 01 A 67.6 295  90  PU 1  71.59 11.83 11.48 0.00  0.35  1.41  W  0.908 0.00  136   4.00 E                        
 ADUB1PN SHZ 01 A 89.7 310  90  P  3  75.39 15.63 15.04 0.00  0.59* 0.29  W  0.107 0.00 69.0   3.37 E                        
 B073 PB EHZ -- A109.1 142  90  PU 3  78.07 18.31 18.21 0.00  0.10  0.47  W  0.999 0.00 45.0   2.98 E                        
 B054 PB EHZ -- A153.2 326  90  PU 2  84.89 25.13 25.38 0.00 -0.25  0.94  W  0.996 0.00 1.00 4                               

Event Files: August 2015