Event Number 703

M2.7 m WNW of Daly City, California at 2015/01/31 01:23:36 UTC / 2015/01/31 01:23:36 PDT

Error Map and Stations Used to Locate Event

Errors from USGS Location and Magnitude:

EQPROC = 1.0km (0.6 mi)
HYPO2K = 2.1km (1.3 mi) Magnitude = 0.1

USGS Report:

Date       Time       Lat    Lon      Mag    Depth                Location   
-----------------------------------------------------------------------------------
2015/01/31 01:23:36  37.752 -122.553  M2.7   8.0 9km WNW of Daly City, California

EQPROC Summary:

703 2015Jan31  123 36.36  37.7585 -122.5615  3.00 0.01 29.9 55.4 221  4
ADUB1 SHZ PN 01 2015Jan31  123 50.07 P D0  76.5   0.00
CBS   SHZ PN 07 2015Jan31  123 51.43 P ?3  81.5   0.52
B057  EHZ PB -- 2015Jan31  123 42.16 P D0  29.9   0.00
B054  EHZ PB -- 2015Jan31  123 42.84 P U0  33.9   0.00

HYPO2K Report:

 YEAR MO DA  --ORIGIN--  --LAT N-  --LON W--  DEPTH   RMS   ERH   ERZ  XMAG1 FMAG1 PMAG
 2015-01-31  0123 37.05  37 46.23  122W33.38   2.99  0.11  1.40 12.54        2.64  2.64E
                                                                                          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  28.5  Emb  221   7   3   4   0   4      -                          4  0.19 E  W W  

 XMAG2-N.XMG2-XMMAD-T-S  FMAG2-N.FMG2-FMMAD-T-S  PREF.MAG-N.PMAG-PRMAD-T
                                                     2.64      4  0.19 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
 B057 PB EHZ -- A 28.5 359  92  PD    42.16  5.11  5.11 0.00  0.00  1.23  W  0.999 0.00 31.0   2.47 E                        
 B054 PB EHZ -- A 33.0  72  91  PU    42.84  5.79  5.83 0.00 -0.04  1.23  W  0.999 0.00 33.0   2.56 E                        
 ADUB1PN SHZ 01 A 77.2 138  90  PD    50.07 13.02 13.02 0.00  0.00  1.23  W  1.000 0.00 42.0   2.88 E                        
 CBS  PN SHZ 07 A 80.8  85  90  P  3  51.43 14.38 13.60 0.00  0.78* 0.31  W  0.999 0.00  143 2 4.06 E                        

Event Files: January 2015