Event Number 972

M1.5 km E of Alum Rock, California at 2016/02/06 06:21:22 UTC / 2016/02/06 06:21:22 PDT

Error Map and Stations Used to Locate Event

Errors from USGS Location and Magnitude:

EQPROC = 2.9km (1.8 mi)
HYPO2K = 4.1km (2.5 mi) Magnitude = -0.4

USGS Report:

Date       Time       Lat    Lon      Mag    Depth                Location   
-----------------------------------------------------------------------------------
2016/02/06 06:21:22  37.365 -121.659  M1.5   3.4 14km E of Alum Rock, California

EQPROC Summary:

972 2016Feb 6  621 23.04  37.3909 -121.6552  3.00 0.00  9.6 53.9 173  4
CML   SHZ PN 07 2016Feb 6  621 25.41 P D0   9.6   0.00
ADUB1 SHZ PN 01 2016Feb 6  621 29.34 P D2  32.8   0.00
B057  EHZ PB -- 2016Feb 6  621 41.48 P ?3 107.0   0.02
B058  EHZ PB -- 2016Feb 6  621 34.97 P ?2  66.0   0.00

HYPO2K Report:

 YEAR MO DA  --ORIGIN--  --LAT N-  --LON W--  DEPTH   RMS   ERH   ERZ  XMAG1 FMAG1 PMAG
 2016-02-06  0621 23.55  37 24.07  121W39.88   3.00  0.06  0.97  8.35        1.92  1.92E
                                                                                          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   8.5  Emb  167   8   2   4   0   4      -                          2  0.26 E  W W  

 XMAG2-N.XMG2-XMMAD-T-S  FMAG2-N.FMG2-FMMAD-T-S  PREF.MAG-N.PMAG-PRMAD-T
                                                     1.92      2  0.26 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  8.5   6  98  PD    25.41  1.86  1.86 0.00  0.00  1.78  W  1.000 0.00 26.0   2.18 E                        
 ADUB1PN SHZ 01 A 32.8 239  91  PD 2  29.34  5.79  5.80 0.00 -0.01  0.89  W  1.000 0.00 13.0   1.66 E                        
 B058 PB EHZ -- A 67.2 173  90  P  2  34.97 11.42 11.41 0.00  0.01  0.89  W  1.000 0.00 1.00 4                               
 B057 PB EHZ -- A105.5 312  90  P  3  41.48 17.93 17.62 0.00  0.31  0.44  W  1.000 0.00 1.00 4                               

Event Files: Febuary 2016