Event Number 55

M1.9 10 km ( 6 mi) E of Alum Rock, CA at 2012/06/26 12:12:56 UTC / 2012/06/26 12:12:56 PDT

Error Map and Stations Used to Locate Event

Errors from USGS Location and Magnitude:

EQPROC = 1.3km (0.8 mi)
HYPO2K = 2.1km (1.3 mi) Magnitude = -0.3

USGS Report:

Date       Time       Lat    Lon      Mag    Depth                Location   
-----------------------------------------------------------------------------------
2012/06/26 12:12:56  37.356 -121.718  M1.9    8.5  10 km (  6 mi) E   of Alum Rock, CA

EQPROC Summary:

55 2012Jun26 1212 56.38  37.3588 -121.7042  6.00 0.00 27.3 46.8 177  4
ADUB1 SHZ PN 01 2012Jun26 1213  1.67 P D2  27.3  -0.00
COS   SHZ PN 07 2012Jun26 1213  2.72 P D3  33.5  -0.00
B058  EHZ PB -- 2012Jun26 1213  7.72 P ?2  63.1  -0.00
B058  EHZ PB -- 2012Jun26 1213  7.72 P ?2  63.1  -0.00

HYPO2K Report:

 YEAR MO DA  --ORIGIN--  --LAT N-  --LON W--  DEPTH   RMS   ERH   ERZ  XMAG1 FMAG1 PMAG
 2012-06-26  1212 56.72  37 22.33  121 42.92   5.97  0.00  0.74  8.30        2.22  2.22E
                                                                                          SOURCE
 NSTA NPHS  DMIN MODEL GAP ITR NFM NWR NWS NVR REMRKS-AVH  N.XMG-XMMAD-T   N.FMG-FMMAD-T  L F X
    4    4  27.3  Emb  183   5   2   4   0   4      -                          1  0.00 E  W W  

 XMAG2-N.XMG2-XMMAD-T-S  FMAG2-N.FMG2-FMMAD-T-S  PREF.MAG-N.PMAG-PRMAD-T
                                                     2.22      1  0.00 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
 ADUB1PN SHZ 01 A 27.3 240  98  PD 2  61.67  4.95  4.95 0.00  0.00  1.14  W  1.000 0.00 1.00 4                               
 COS  PN SHZ 07 A 33.8  63  97  PD 3  62.72  6.00  6.00 0.00  0.00  0.57  W  0.999 0.00 23.0   2.22 E                        
 B058 PB EHZ -- A 64.7 169  93  P  2  67.72 11.00 11.00 0.00  0.00  1.14  W  1.000 0.00 1.00 4                               
                                P  2  67.72 11.00 11.00 0.00  0.00  1.14  W  0.999 0.00 1.00 4                               

Event Files: June 2012