Event Number 1788

M3.9 m WSW of Colma, CA at 2019/10/05 15:41:06 UTC / 2019/10/05 15:41:06 PDT

Error Map and Stations Used to Locate Event


   






Errors from USGS Location and Magnitude:

EQPROC =  0.6km (0.4 mi)

HYPO2K =  2.2km (1.4 mi)
Magnitude = 0.3


USGS Report:


Date       Time       Lat    Lon      Mag    Depth                Location   
-----------------------------------------------------------------------------------
2019/10/05 15:41:06  37.660 -122.521  M3.9   7.6 6km WSW of Colma, CA



EQPROC Summary:


1788 2019Oct 5 1541  6.58  37.6556 -122.5248  8.27 0.19 30.7 67.6 211  8
LCGPZ SHZ PN 01 2019Oct 5 1541 12.49 P U0  30.6   0.00
ADUB1 SHZ PN 01 2019Oct 5 1541 19.48 P U0  66.1   1.02
MTUMZ SHZ PN 01 2019Oct 5 1541 20.34 P U2  78.6   0.00
ATZ   SHZ PN 01 2019Oct 5 1541 22.55 P ?3  93.4   0.06
B054  EHZ PB -- 2019Oct 5 1541 13.49 P ?0  36.6  -0.00
B057  EHZ PB -- 2019Oct 5 1541 14.30 P U0  41.5  -0.00
B058  EHZ PB -- 2019Oct 5 1541 26.78 Pn?3 126.5  -0.13
B073  EHZ PB -- 2019Oct 5 1541 44.60 Pn?3 262.5   0.36



HYPO2K Report:


 YEAR MO DA  --ORIGIN--  --LAT N-  --LON W--  DEPTH-M RMS   ERH   ERZ  XMAG1 FMAG1 PMAG GEOID-DEP
 2019-10-05  1541  7.49  37 40.71  122W30.39   3.82  0.43  3.94 33.75        3.57  3.57E    3.79
                                                                                          SOURCE
 NSTA NPHS  DMIN MODEL GAP ITR NFM NWR NWS NVR REMRKS-AVH  N.XMG-XMMAD-T   N.FMG-FMMAD-T  L F X
    8    8  30.9  Emb  208   8   4   6   0   8      -                          6  0.29 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
                                                     3.57      6  0.29 E     31  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
 LCGPZPN SHZ 01 A 30.9 130  93  PU    12.49  5.00  5.50 0.00 -0.50  1.26  W  0.997 0.00  182   4.20 E                        
 B054 PB EHZ -- A 33.7  53  93  P     13.49  6.00  5.96 0.00  0.04  1.26  W  0.996 0.00 95.0 1 3.59 E                        
 B057 PB EHZ -- A 39.1 353  92  PU    14.30  6.81  6.82 0.00 -0.01  1.26  W  0.999 0.00 89.0   3.56 E                        
 ADUB1PN SHZ 01 A 66.8 135  91  PU    19.48 11.99 11.33 0.00  0.66* 1.26  W  0.708 0.00  125   3.92 E                        
 MTUMZPN SHZ 01 A 79.4 137  91  PU 2  20.34 12.85 13.39 0.00 -0.54* 0.63  W  0.227 0.00 61.0   3.24 E                        
 ATZ  PN SHZ 01 A 94.6 145  91  P  3  22.55 15.06 15.86 0.00 -0.80* 0.32  W  0.071 0.00 53.0 4 3.12XE                        
 B058 PB EHZ -- A127.5 139  90  P  3  26.78 19.29 21.25 0.00 -1.96* 0.00  W  0.000 0.00 65.0   3.35 E                        
 B073 PB EHZ -- A264.4 136  48  P  3  44.60 37.11 39.93 0.00 -2.82* 0.00  W  0.000 0.00 1.00 4                               



Event Files: October 2019