Event Number 1934

M1.9 m E of Fremont, CA - 2020/08/11 11:54:53 37.537 -121.918 M1.9 4.6 6km E of Fremont, CA at 2020/08/11 11:54:53 UTC / 2020/08/11 11:54:53 PDT

Error Map and Stations Used to Locate Event


   

   





Errors from USGS Location and Magnitude:

EQPROC =  4.9km (3.1 mi)

HYPO2K =  2.4km (1.5 mi)
Magnitude = -0.3


USGS Report:


Date       Time       Lat    Lon      Mag    Depth                Location   
-----------------------------------------------------------------------------------
2020/08/11 11:54:53  37.537 -121.918  M1.9   4.6 6km E of Fremont, CA



EQPROC Summary:


1934 2020Aug11 1154 52.98  37.5491 -121.8642  1.50 0.02 35.1 58.6 114  6
ADUB1 SHZ PN 01 2020Aug11 1154 59.93 P D0  35.1  -0.00
MTUMZ SHZ PN 01 2020Aug11 1155  1.46 P U1  44.1  -0.00
RE9A7 EHZ AM 00 2020Aug11 1155 10.47 S ?0  43.6   3.04
B054  EHZ PB -- 2020Aug11 1155  1.70 P U1  45.5  -0.00
B057  EHZ PB -- 2020Aug11 1155  8.33 P U2  81.6   0.51
B058  EHZ PB -- 2020Aug11 1155  8.74 P ?3  87.0   0.01



HYPO2K Report:


 YEAR MO DA  --ORIGIN--  --LAT N-  --LON W--  DEPTH-M RMS   ERH   ERZ  XMAG1 FMAG1 PMAG GEOID-DEP
 2020-08-11  1154 53.98  37 32.447 121W53.863  1.47  0.02  2.37  8.38        2.22  2.22E    1.44
                                                                                          SOURCE
 NSTA NPHS  DMIN MODEL GAP ITR NFM NWR NWS NVR REMRKS-AVH  N.XMG-XMMAD-T   N.FMG-FMMAD-T  L F X
    5    5  33.4  Emb  197   7   4   4   0   5      -                          1  0.00 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
                                                     2.22      1  0.00 E     33  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
 ADUB1PN SHZ 01 A 33.4 193  35  PD    59.93  5.95  5.94 0.00  0.01  1.45  W  1.000 0.00 23.0   2.22 E                        
 MTUMZPN SHZ 01 A 43.0 179  35  PU 1  61.46  7.48  7.51 0.00 -0.03  1.09  W  0.999 0.00 3.00 4 0.30XE                        
 B054 PB EHZ -- A 44.3 324  35  PU 1  61.70  7.72  7.72 0.00 -0.00  1.09  W  1.000 0.00 3.00 4 0.30XE                        
 B057 PB EHZ -- A 79.9 313  35  PU 2  68.33 14.35 13.50 0.00  0.85* 0.00  W  0.000 0.00 1.00 4                               
 B058 PB EHZ -- A 86.9 161  35  P  3  68.74 14.76 14.65 0.00  0.11  0.36  W  0.999 0.00 1.00 4