Event Number 2184

M3.8 km S of Tres Pinos, CA - 2021/10/20 08:57:15 36.680 -121.314 M3.8 7.8 12km S of Tres Pinos, CA at 2021/10/20 08:57:15 UTC / 2021/10/20 01:57:15 PDT

Error Map and Stations Used to Locate Event

Errors from USGS Location and Magnitude:

EQPROC = 3.6km (2.2 mi)
HYPO2K = 14.0km (8.7 mi) Magnitude = -0.2

USGS Report:

Date       Time       Lat    Lon      Mag    Depth                Location   
-----------------------------------------------------------------------------------
2021/10/20 08:57:15  36.680 -121.314  M3.8   7.8 12km S of Tres Pinos, CA

EQPROC Summary:

2184 2021Oct20  857 15.75  36.6715 -121.3523  4.51 0.10 24.7102.3 169  9
ATZ   SHZ PN 01 2021Oct20  857 26.43 P U0  59.1   0.02
MTUMZ SHZ PN 01 2021Oct20  857 28.81 P ?3  72.0   0.22
ADUB1 SHZ PN 01 2021Oct20  857 30.80 P D3  84.6   0.09
LCGPZ SHZ PN 01 2021Oct20  857 36.26 P D1 120.7   0.50
GLFBZ SHZ PN 01 2021Oct20  857 34.54 P ?0 111.1  -0.00
B058  EHZ PB -- 2021Oct20  857 20.57 P U0  24.7  -0.01
B073  EHZ PB -- 2021Oct20  857 34.64 PnD0 111.9  -0.00
B054  EHZ PB -- 2021Oct20  857 39.69 PnD1 151.8  -0.03
B057  EHZ PB -- 2021Oct20  857 42.91 PnD1 184.8  -1.02

HYPO2K Report:

 YEAR MO DA  --ORIGIN--  --LAT N-  --LON W--  DEPTH-M RMS   ERH   ERZ  XMAG1 FMAG1 PMAG GEOID-DEP
 2021-10-20  0857 15.80  36 36.407 121W26.666 29.88  0.57 17.04  3.16        4.02  4.02E   29.84
                                                                                          SOURCE
 NSTA NPHS  DMIN MODEL GAP ITR NFM NWR NWS NVR REMRKS-AVH  N.XMG-XMMAD-T   N.FMG-FMMAD-T  L F X
    9    9  24.6  Emb  187  25   7   9   0   9      #                          9  0.38 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
                                                     4.02      9  0.38 E     32  4  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
 B058 PB EHZ -- A 24.6 331 136  PU    20.57  4.77  6.41 0.00 -1.64* 0.93  W  0.566 0.00  103   3.89 E                        
 ATZ  PN SHZ 01 A 57.8 316 110  PU    26.43 10.63 10.60 0.00  0.03  1.40  W  0.916 0.00  156   4.40 E                        
 MTUMZPN SHZ 01 A 72.9 327 104  P  3  28.81 13.01 12.74 0.00  0.27  0.35  W  0.028 0.00 77.0   3.74 E                        
 ADUB1PN SHZ 01 A 85.6 327 101  PD 3  30.80 15.00 14.59 0.00  0.41  0.35  W  0.026 0.00  131   4.26 E                        
 GLFBZPN SHZ 01 A112.2 327  97  P     34.54 18.74 18.51 0.00  0.23  1.40  W  0.375 0.00 99.0   4.02 E                        
 B073 PB EHZ -- A114.0 129  97  PD    34.64 18.84 18.77 0.00  0.07  1.40  W  0.988 0.00 83.0   3.85 E                        
 LCGPZPN SHZ 01 A121.6 325  97  PD 1  36.26 20.46 19.89 0.00  0.57* 1.05  W  0.155 0.00 78.0   3.80 E                        
 B054 PB EHZ -- A154.4 335  54  PD 1  39.69 23.89 23.91 0.00 -0.02  1.05  W  0.482 0.00 81.0   3.87 E                        
 B057 PB EHZ -- A186.4 329  54  PD 1  42.91 27.11 27.82 0.00 -0.71* 1.05  W  0.461 0.00 65.0   3.70 E                        

Event Files: October 2021