Event Number 225

M1.8 5 km ( 3 mi) S of Los Altos, CA at 2013/02/01 22:01:03 UTC / 2013/02/01 22:01:03 PDT

Error Map and Stations Used to Locate Event

Errors from USGS Location and Magnitude:

EQPROC = 12.3km (7.7 mi)
HYPO2K = 2.1km (1.3 mi) Magnitude = -0.5

USGS Report:

Date       Time       Lat    Lon      Mag    Depth                Location   
-----------------------------------------------------------------------------------
2013/02/01 22:01:03  37.325 -122.104  M1.8    0.6   5 km (  3 mi) S   of Los Altos, CA

EQPROC Summary:

225 2013Feb 1 2201  3.41  37.3857 -121.9872  5.75 0.09 15.4 53.7 187  4
ADUB1 SHZ PN 01 2013Feb 1 2201  6.70 P U0  15.4   0.00
JCPZ  SHZ PN 08 2013Feb 1 2201 10.56 P U3  37.2   0.18
B057  EHZ PB -- 2013Feb 1 2201 18.95 P D2  87.7   0.24
B058  EHZ PB -- 2013Feb 1 2201 17.67 P U3  74.4   1.01

HYPO2K Report:

 YEAR MO DA  --ORIGIN--  --LAT N-  --LON W--  DEPTH   RMS   ERH   ERZ  XMAG1 FMAG1 PMAG
 2013-02-01  2201  4.02  37 20.35  122  5.18   5.75  0.28 16.48 11.83        2.32  2.32E
                                                                                          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  13.9  Emb  181  11   4   4   0   4      #                          2  0.12 E  W W  

 XMAG2-N.XMG2-XMMAD-T-S  FMAG2-N.FMG2-FMMAD-T-S  PREF.MAG-N.PMAG-PRMAD-T
                                                     2.32      2  0.12 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 13.9 137 107  PU     6.70  2.68  2.81 0.00 -0.13  2.00  W  0.999 0.00 32.0   2.42 E                        
 JCPZ PN SHZ 08 A 34.7 323  96  PU 3  10.56  6.54  6.14 0.00  0.40  0.50  W  0.999 0.00 22.0 1 2.18 E                        
 B058 PB EHZ -- A 74.9 142  92  PU 3  17.67 13.65 12.66 0.00  0.99* 0.50  W  0.999 0.00 1.00 4                               
 B057 PB EHZ -- A 87.3 332  92  PD 2  18.95 14.93 14.67 0.00  0.26  1.00  W  0.999 0.00 3.00 4 0.35XE                        

Event Files: Febuary 2013