Event Number 457

M2.2 m E of East Foothills, California at 2013/12/16 12:53:55 UTC / 2013/12/16 12:53:55 PDT

Error Map and Stations Used to Locate Event

Errors from USGS Location and Magnitude:

EQPROC = 28.2km (17.5mi)
HYPO2K = 17.0km (10.6mi) Magnitude = -0.7

USGS Report:

Date       Time       Lat    Lon      Mag    Depth                Location   
-----------------------------------------------------------------------------------
2013/12/16 12:53:55  37.386 -121.743  M2.2   6.5 6km E of East Foothills, California

EQPROC Summary:

457 2013Dec16 1253 51.22  37.4759 -121.4450  2.50 0.19 41.8 73.3 214  5
ADUB1 SHZ PN 01 2013Dec16 1254  1.13 P D0  53.6  -0.00
CBS   SHZ PN 07 2013Dec16 1253 59.09 P ?3  41.8  -0.04
JCPZ  SHZ PN 08 2013Dec16 1254  5.35 P U0  78.5  -0.00
B057  EHZ PB -- 2013Dec16 1254 12.91 P U2 116.3   1.91
B058  EHZ PB -- 2013Dec16 1254  7.61 P U3  76.1   2.66

HYPO2K Report:

 YEAR MO DA  --ORIGIN--  --LAT N-  --LON W--  DEPTH   RMS   ERH   ERZ  XMAG1 FMAG1 PMAG
 2013-12-16  1253 53.99  37 27.12  121W34.89   2.50  0.51  6.23 43.38        2.92  2.92E
                                                                                          SOURCE
 NSTA NPHS  DMIN MODEL GAP ITR NFM NWR NWS NVR REMRKS-AVH  N.XMG-XMMAD-T   N.FMG-FMMAD-T  L F X
    5    5  41.0  Emb  186   9   4   5   0   5      -                          2  0.26 E  W W  

 XMAG2-N.XMG2-XMMAD-T-S  FMAG2-N.FMG2-FMMAD-T-S  PREF.MAG-N.PMAG-PRMAD-T
                                                     2.92      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
 CBS  PN SHZ 07 A 41.0 353  90  P  3  59.09  5.10  7.12 0.00 -2.02* 0.42  W  0.860 0.00 3.00 4 0.29XE                        
 ADUB1PN SHZ 01 A 42.0 238  90  PD    61.13  7.14  7.29 0.00 -0.15  1.67  W  0.988 0.00 35.0   2.66 E                        
 JCPZ PN SHZ 08 A 67.3 284  90  PU    65.35 11.36 11.41 0.00 -0.05  1.67  W  0.823 0.00 58.0   3.18 E                        
 B058 PB EHZ -- A 72.4 179  90  PU 3  67.61 13.62 12.24 0.00  1.38* 0.42  W  0.999 0.00 3.00 4 0.33XE                        
 B057 PB EHZ -- A107.7 307  90  PU 2  72.91 18.92 17.98 0.00  0.94* 0.83  W  0.327 0.00 3.00 4 0.37XE                        

Event Files: December 2013