Event Number 1228

M2.6 m E of East Foothills, California at 2017/02/25 17:53:28 UTC / 2017/02/25 17:53:28 PDT

Error Map and Stations Used to Locate Event

Errors from USGS Location and Magnitude:

EQPROC = 3.2km (2.0 mi)
HYPO2K = 2.2km (1.3 mi) Magnitude = 0.1

USGS Report:

Date       Time       Lat    Lon      Mag    Depth                Location   
-----------------------------------------------------------------------------------
2017/02/25 17:53:28  37.388 -121.744  M2.6   6.3 6km E of East Foothills, California

EQPROC Summary:

1228 2017Feb25 1753 27.99  37.4133 -121.7257  1.67 0.11 32.6 62.4 209  6
MTUMZ SHZ PN 01 2017Feb25 1753 34.50 P U0  32.6  -0.00
ATZ   SHZ PN 01 2017Feb25 1753 37.95 P D1  50.7   0.39
JCPZ  SHZ PN 08 2017Feb25 1753 38.50 P U0  56.2  -0.00
B058  EHZ PB -- 2017Feb25 1753 40.73 P D1  69.4  -0.00
B054  EHZ PB -- 2017Feb25 1753 40.78 P ?3  64.9   0.81
B057  EHZ PB -- 2017Feb25 1753 45.76 P D1 100.8  -0.00

HYPO2K Report:

 YEAR MO DA  --ORIGIN--  --LAT N-  --LON W--  DEPTH-M RMS   ERH   ERZ  XMAG1 FMAG1 PMAG GEOID-DEP
 2017-02-25  1753 29.06  37 24.44  121W44.72   1.66  0.14  2.17 14.23        2.47  2.47E    1.62
                                                                                          SOURCE
 NSTA NPHS  DMIN MODEL GAP ITR NFM NWR NWS NVR REMRKS-AVH  N.XMG-XMMAD-T   N.FMG-FMMAD-T  L F X
    6    6  31.3  Emb  213   7   5   5   0   6      -                          6  0.27 E  W W  

 XMAG2-N.XMG2-XMMAD-T-S  FMAG2-N.FMG2-FMMAD-T-S  PREF.MAG-N.PMAG-PRMAD-T DEPDAT NS ZT TYP
                                                     2.47      6  0.27 E     32  5  M CRH
 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
 MTUMZPN SHZ 01 A 31.3 206  65  PU    34.50  5.44  5.57 0.00 -0.13  1.21  W  0.704 0.00 23.0   2.20 E                        
 ATZ  PN SHZ 01 A 49.5 197  65  PD 1  37.95  8.89  8.54 0.00  0.35  0.77  W  0.770 0.00  103 2 3.71 E                        
 JCPZ PN SHZ 08 A 54.9 292  65  PU    38.50  9.44  9.42 0.00  0.02  1.21  W  0.780 0.00 53.0   3.08 E                        
 B054 PB EHZ -- A 64.3 322  65  P  3  40.78 11.72 10.94 0.00  0.78* 0.00  W  0.000 0.00 27.0   2.44 E                        
 B058 PB EHZ -- A 69.0 167  65  PD 1  40.73 11.67 11.71 0.00 -0.04  0.91  W  0.971 0.00 21.0   2.20 E                        
 B057 PB EHZ -- A 99.8 314  65  PD 1  45.76 16.70 16.72 0.00 -0.02  0.91  W  0.773 0.00 29.0   2.55 E                        

Event Files: Febuary 2017