Event Number 2518

M3.5 km SW of Westley, CA - 2023/08/31 00:59:36 37.436 -121.300 M3.5 -0.1 15 km SW of Westley, CA at 2023/08/31 00:59:36 UTC / 2023/08/30 17:59:36 PDT

Error Map and Stations Used to Locate Event


   

   





Errors from USGS Location and Magnitude:

EQPROC =  8.1km (5.0 mi)

HYPO2K =  4.1km (2.6 mi)
Magnitude = 0.0


USGS Report:


Date       Time       Lat    Lon      Mag    Depth                Location   
-----------------------------------------------------------------------------------
2023/08/31 00:59:36  37.436 -121.300  M3.5  -0.1 15 km SW of Westley, CA



EQPROC Summary:


2518 2023Aug31   59 38.13  37.4861 -121.3669 19.65 0.31 25.9 86.5 165  8
RE9A7 EHZ AM 00 2023Aug31   59 43.82 P D0  25.9   0.02
MTUMZ SHZ PN 01 2023Aug31   59 48.06 P D0  59.7  -0.52
ADUB1 SHZ PN 01 2023Aug31   59 48.67 P D0  60.3   0.00
ATZ   SHZ PN 01 2023Aug31   59 50.84 P ?0  73.4   0.26
B057  EHZ PB -- 2023Aug31   59 57.62 PgU1 121.7   0.01
B073  EHZ PB -- 2023Aug31  100  4.51 PnD3 188.4  -0.75
B054  EHZ PB -- 2023Aug31   59 53.20 P U3  84.4   1.18
B058  EHZ PB -- 2023Aug31   59 50.32 P D0  78.6  -0.95



HYPO2K Report:


 YEAR MO DA  --ORIGIN--  --LAT N-  --LON W--  DEPTH-M RMS   ERH   ERZ  XMAG1 FMAG1 PMAG GEOID-DEP
 2023-08-31  0059 36.87  37 28.308 121W17.009 29.73  0.31  2.76  1.99        3.48  3.48E   29.70
                                                                                          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  29.5  Emb  179   7   7   7   0   8                                 6  3.01 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
                                                     3.48      6  3.01 E     26  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
 RE9A7AM EHZ 00 A 29.5 337 130  PD    43.82  6.95  6.92 0.00  0.03  1.33  W  0.995 0.00 41.0 4 3.03XE                        
 MTUMZPN SHZ 01 A 64.9 238 107  PD    48.06 11.19 11.59 0.00 -0.40  1.33  W  0.327 0.00 37.0   3.02 E                        
 ADUB1PN SHZ 01 A 66.6 249 106  PD    48.67 11.80 11.83 0.00 -0.03  1.33  W  0.434 0.00  105   4.03 E                        
 ATZ  PN SHZ 01 A 77.4 226 103  P     50.84 13.97 13.38 0.00  0.59* 1.33  W  0.275 0.00 35.0 4 2.98XE                        
 B058 PB EHZ -- A 79.2 200 103  PD    50.32 13.45 13.64 0.00 -0.19  1.33  W  0.713 0.00 59.0   3.48 E                        
 B054 PB EHZ -- A 91.6 299 100  PU 3  53.20 16.33 15.46 0.00  0.87* 0.01  W  0.000 0.00 67.0   3.62 E                        
 B057 PB EHZ -- A128.7 300  54  PU 1  57.62 20.75 20.78 0.00 -0.03  1.00  W  0.943 0.00 49.0   3.36 E                        
 B073 PB EHZ -- A184.1 156  54  PD 3  64.51 27.64 27.56 0.00  0.08  0.33  W  0.309 0.00 49.0 1 3.42 E                        



Event Files: August 2023