Event Number 2158

M2.3 m ESE of Fremont, CA - 2021/09/16 02:08:47 37.528 -121.896 M2.3 6.1 8km ESE of Fremont, CA at 2021/09/16 02:08:47 UTC / 2021/09/15 19:08:47 PDT

Error Map and Stations Used to Locate Event

Errors from USGS Location and Magnitude:

EQPROC = 6.8km (4.2 mi)
HYPO2K = 3.7km (2.3 mi) Magnitude = 0.0

USGS Report:

Date       Time       Lat    Lon      Mag    Depth                Location   
-----------------------------------------------------------------------------------
2021/09/16 02:08:47  37.528 -121.896  M2.3   6.1 8km ESE of Fremont, CA

EQPROC Summary:

2158 2021Sep16  208 46.69  37.5492 -121.8236  4.02 0.02 36.3 59.8 209  5
ADUB1 SHZ PN 01 2021Sep16  208 53.48 P D0  36.3  -0.00
MTUMZ SHZ PN 01 2021Sep16  208 54.87 P ?1  44.5  -0.00
B057  EHZ PB -- 2021Sep16  209  0.69 P ?3  84.3  -0.93
B058  EHZ PB -- 2021Sep16  209  1.89 P D2  86.0  -0.00
B054  EHZ PB -- 2021Sep16  208 55.45 P D0  47.9  -0.00

HYPO2K Report:

 YEAR MO DA  --ORIGIN--  --LAT N-  --LON W--  DEPTH-M RMS   ERH   ERZ  XMAG1 FMAG1 PMAG GEOID-DEP
 2021-09-16  0208 47.41  37 32.442 121W51.517  3.98  0.02  1.83  8.48        2.27  2.27E    3.95
                                                                                          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  34.3  Emb  203   6   3   4   0   5      -                          3  1.13 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
                                                     2.27      3  1.13 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 34.3 199  93  PD    53.48  6.07  6.05 0.00  0.02  1.23  W  0.999 0.00 33.0   2.57 E                        
 MTUMZPN SHZ 01 A 43.1 185  92  P  1  54.87  7.46  7.49 0.00 -0.03  0.92  W  0.999 0.00 17.0   1.97 E                        
 B054 PB EHZ -- A 46.5 320  92  PD    55.45  8.04  8.04 0.00 -0.00  1.23  W  0.999 0.00 21.0   2.18 E                        
 B057 PB EHZ -- A 82.4 312  91  P  3  60.69 13.28 13.89 0.00 -0.61* 0.00  W  0.000 0.00 9.00 4 1.40XE                        
 B058 PB EHZ -- A 85.9 163  91  PD 2  61.89 14.48 14.45 0.00  0.03  0.62  W  0.999 0.00 1.00 4                               

Event Files: September 2021