Event Number 2531

M3.1 km WSW of Patterson, CA - 2023/09/19 04:40:58 37.423 -121.295 M3.1 1.4 16 km WSW of Patterson, CA at 2023/09/19 04:40:58 UTC / 2023/09/18 21:40:58 PDT

Error Map and Stations Used to Locate Event


   

   





Errors from USGS Location and Magnitude:

EQPROC =  0.4km (0.2 mi)

HYPO2K =  5.0km (3.1 mi)
Magnitude = -0.6


USGS Report:


Date       Time       Lat    Lon      Mag    Depth                Location   
-----------------------------------------------------------------------------------
2023/09/19 04:40:58  37.423 -121.295  M3.1   1.4 16 km WSW of Patterson, CA



EQPROC Summary:


2531 2023Sep19  440 59.38  37.4243 -121.2988 10.80 0.15 34.0 88.4 174  8
RE9A7 EHZ AM 00 2023Sep19  441  5.93 P U3  34.0   0.00
MTUMZ SHZ PN 01 2023Sep19  441 10.44 P D0  60.8   0.12
ATZ   SHZ PN 01 2023Sep19  441 11.48 P ?1  72.5  -0.55
ADUB1 SHZ PN 01 2023Sep19  441 10.68 P U0  63.3   0.00
B054  EHZ PB -- 2023Sep19  441 15.40 P D3  93.1   0.37
B058  EHZ PB -- 2023Sep19  441 12.21 P U0  73.7   0.00
B073  EHZ PB -- 2023Sep19  441 27.22 Pg?3 179.7  -0.45
B057  EHZ PB -- 2023Sep19  441 19.92 PnD0 130.3   0.00



HYPO2K Report:


 YEAR MO DA  --ORIGIN--  --LAT N-  --LON W--  DEPTH-M RMS   ERH   ERZ  XMAG1 FMAG1 PMAG GEOID-DEP
 2023-09-19  0440 58.77  37 27.246 121W15.789 29.04  0.02  1.76  1.18        3.67  3.67E   29.02
                                                                                          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  32.0  Emb  227   9   6   5   0   8                                 7  1.47 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
                                                     3.67      7  1.47 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 32.0 335 127  PU 3  65.93  7.16  7.15 0.00  0.01  0.29  W  0.993 0.00  203 2 4.57 E                        
 MTUMZPN SHZ 01 A 65.4 240 106  PD    70.44 11.67 11.63 0.00  0.04  1.18  W  0.449 0.00 25.0   2.63 E                        
 ADUB1PN SHZ 01 A 67.5 251 105  PU    70.68 11.91 11.94 0.00 -0.03  1.18  W  0.577 0.00 73.0   3.67 E                        
 ATZ  PN SHZ 01 A 77.3 228 102  P  1  71.48 12.71 13.35 0.00 -0.64* 0.00  W  0.000 0.00  124 2 4.19 E                        
 B058 PB EHZ -- A 77.9 202 102  PU    72.21 13.44 13.44 0.00 -0.00  1.18  W  0.980 0.00 43.0   3.17 E                        
 B054 PB EHZ -- A 94.1 299  99  PD 3  75.40 16.63 15.82 0.00  0.81* 0.00  W  0.000 0.00 39.0   3.09 E                        
 B057 PB EHZ -- A131.3 300  54  PD    79.92 21.15 21.15 0.00 -0.00  1.18  W  0.999 0.00 39.0   3.13 E                        
 B073 PB EHZ -- A181.6 156  54  P  3  87.22 28.45 27.31 0.00  1.14* 0.00  W  0.000 0.00 1.00 4                               



Event Files: September 2023