Event Number 2435

M2.5 km S of Tres Pinos, CA - 2023/04/07 04:00:56 36.692 -121.335 M2.5 5.1 11km S of Tres Pinos, CA at 2023/04/07 04:00:56 UTC / 2023/04/06 21:00:56 PDT

Error Map and Stations Used to Locate Event

Errors from USGS Location and Magnitude:

EQPROC = 6.2km (3.8 mi)
HYPO2K = 5.1km (3.2 mi) Magnitude = -0.9

USGS Report:

Date       Time       Lat    Lon      Mag    Depth                Location   
-----------------------------------------------------------------------------------
2023/04/07 04:00:56  36.692 -121.335  M2.5   5.1 11km S of Tres Pinos, CA

EQPROC Summary:

2435 2023Apr 7  400 55.75  36.6600 -121.3915  2.50 0.18 22.8 69.2 174  4
ATZ   SHZ PN 01 2023Apr 7  401  7.17 P ?3  57.1   0.92
ADUB1 SHZ PN 01 2023Apr 7  401 11.93 P D3  83.4   1.22
B058  EHZ PB -- 2023Apr 7  401  0.44 P U0  22.8   0.00
B073  EHZ PB -- 2023Apr 7  401 15.62 P ?2 113.5   0.45

HYPO2K Report:

 YEAR MO DA  --ORIGIN--  --LAT N-  --LON W--  DEPTH-M RMS   ERH   ERZ  XMAG1 FMAG1 PMAG GEOID-DEP
 2023-04-07  0400 56.46  36 39.858 121W22.375  2.50  0.46 22.52 38.40        3.37  3.37E    2.49
                                                                                          SOURCE
 NSTA NPHS  DMIN MODEL GAP ITR NFM NWR NWS NVR REMRKS-AVH  N.XMG-XMMAD-T   N.FMG-FMMAD-T  L F X
    4    4  23.9  Emb  173  10   2   4   0   4      -                          3  1.68 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
                                                     3.37      3  1.68 E      8  3  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 23.9 309  91  PU    60.44  3.98  4.35 0.00 -0.37  2.00  W  1.000 0.00 33.0   2.51 E                        
 ATZ  PN SHZ 01 A 58.4 307  90  P  3  67.17 10.71  9.97 0.00  0.74* 0.50  W  0.999 0.00  174   4.23 E                        
 ADUB1PN SHZ 01 A 84.3 321  90  PD 3  71.93 15.47 14.18 0.00  1.29* 0.50  W  0.999 0.00 31.0   2.59 E                        
 B073 PB EHZ -- A113.6 134  90  P  2  75.62 19.16 18.93 0.00  0.23  1.00  W  1.000 0.00 1.00 4                               

Event Files: April 2023