Event Number 517

M2.4 km ENE of East Foothills, California at 2014/04/23 18:30:43 UTC / 2014/04/23 18:30:43 PDT

Error Map and Stations Used to Locate Event

Errors from USGS Location and Magnitude:

EQPROC = 30.3km (18.8mi)
HYPO2K = 30.7km (19.1mi) Magnitude = -0.6

USGS Report:

Date       Time       Lat    Lon      Mag    Depth                Location   
-----------------------------------------------------------------------------------
2014/04/23 18:30:43  37.456 -121.533  M2.4   5.6 26km ENE of East Foothills, California

EQPROC Summary:

517 2014Apr23 1830 39.71  37.2590 -121.2961  8.00 0.00 56.9102.9 232  5
CBS   SHZ PN 07 2014Apr23 1830 52.10 P U0  69.2  -0.00
JCPZ  SHZ PN 08 2014Apr23 1830 56.28 P D1  97.7  -0.00
B054  EHZ PB -- 2014Apr23 1830 57.20 P ?0 104.0   0.00
B057  EHZ PB -- 2014Apr23 1831  2.09 P ?3 140.8   0.19
B058  EHZ PB -- 2014Apr23 1830 57.40 S U1  56.9  -0.06

HYPO2K Report:

 YEAR MO DA  --ORIGIN--  --LAT N-  --LON W--  DEPTH   RMS   ERH   ERZ  XMAG1 FMAG1 PMAG
 2014-04-23  1830 39.98  37 13.52  121W20.32   8.03  0.22 14.52 19.87        2.96  2.96E
                                                                                          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  71.0  Emb  318   6   2   4   0   4      -                          3  0.46 E  W W  

 XMAG2-N.XMG2-XMMAD-T-S  FMAG2-N.FMG2-FMMAD-T-S  PREF.MAG-N.PMAG-PRMAD-T
                                                     2.96      3  0.46 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 71.0 338  94  PU    52.10 12.12 12.05 0.00  0.07  1.33  W  1.000 0.00  119 2 3.88 E                        
 JCPZ PN SHZ 08 A 96.0 296  93  PD 1  56.28 16.30 16.11 0.00  0.19  1.00  W  0.999 0.00 54.0   3.14 E                        
 B054 PB EHZ -- A103.7 314  93  P     57.20 17.22 17.36 0.00 -0.14  1.33  W  0.999 0.00 25.0   2.41 E                        
 B057 PB EHZ -- A140.2 310  92  P  3  62.09 22.11 23.29 0.00 -1.18* 0.33  W  0.999 0.00 3.00 4 0.40XE                        

Event Files: April 2014