Event Number 106

M2.0 8 km ( 5 mi) NNE of Alum Rock, CA at 2012/09/24 13:12:25 UTC / 2012/09/24 13:12:25 PDT

Error Map and Stations Used to Locate Event

Errors from USGS Location and Magnitude:

EQPROC = 1.3km (0.8 mi)
HYPO2K = 1.4km (0.8 mi) Magnitude = -0.5

USGS Report:

Date       Time       Lat    Lon      Mag    Depth                Location   
-----------------------------------------------------------------------------------
2012/09/24 13:12:25  37.434 -121.787  M2.0    5.8   8 km (  5 mi) NNE of Alum Rock, CA

EQPROC Summary:

106 2012Sep24 1312 25.92  37.4454 -121.7874  3.00 0.01 27.8 58.3 126  4
ADUB1 SHZ PN 01 2012Sep24 1312 31.37 P D2  27.8   0.00
COS   SHZ PN 07 2012Sep24 1312 32.95 P U0  37.1   0.00
B057  EHZ PB -- 2012Sep24 1312 42.48 P ?1  94.3   0.00
B058  EHZ PB -- 2012Sep24 1312 39.47 P D3  74.0   0.26

HYPO2K Report:

 YEAR MO DA  --ORIGIN--  --LAT N-  --LON W--  DEPTH   RMS   ERH   ERZ  XMAG1 FMAG1 PMAG
 2012-09-24  1312 26.52  37 26.35  121 46.83   3.00  0.12  0.88 12.52        2.53  2.53E
                                                                                          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  27.7  Emb  123   7   3   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
                                                     2.53      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 27.7 220  92  PD 2  31.37  4.85  4.97 0.00 -0.12  0.80  W  0.999 0.00 1.00 4                               
 COS  PN SHZ 07 A 36.8  77  91  PU    32.95  6.43  6.45 0.00 -0.02  1.60  W  0.999 0.00 31.0   2.53 E                        
 B058 PB EHZ -- A 73.2 165  90  PD 3  39.47 12.95 12.36 0.00  0.59* 0.40  W  1.000 0.00 1.00 4                               
 B057 PB EHZ -- A 95.1 314  90  P  1  42.48 15.96 15.93 0.00  0.03  1.20  W  0.999 0.00 1.00 4                               

Event Files: September 2012