Event Number 2420

M3.0 km E of Seven Trees, CA - 2023/03/20 16:09:39 37.286 -121.659 M3.0 5.8 16km E of Seven Trees, CA at 2023/03/20 16:09:39 UTC / 2023/03/20 09:09:39 PDT

Error Map and Stations Used to Locate Event


   

   





Errors from USGS Location and Magnitude:

EQPROC = 13.4km (8.3 mi)

HYPO2K = 13.5km (8.4 mi)
Magnitude = -0.4


USGS Report:


Date       Time       Lat    Lon      Mag    Depth                Location   
-----------------------------------------------------------------------------------
2023/03/20 16:09:39  37.286 -121.659  M3.0   5.8 16km E of Seven Trees, CA



EQPROC Summary:


2420 2023Mar20 1609 40.60  37.2242 -121.7885 22.48 0.10 12.4 51.9 128  8
ADUB1 SHZ PN 01 2023Mar20 1609 45.72 P U0  17.1   0.24
MTUMZ SHZ PN 01 2023Mar20 1609 45.06 P U0  12.4   0.00
LCGPZ SHZ PN 01 2023Mar20 1609 49.76 P ?1  50.1   0.00
ATZ   SHZ PN 01 2023Mar20 1609 47.92 P D3  29.0   1.05
RE9A7 EHZ AM 00 2023Mar20 1609 51.65 P ?3  63.7   0.00
B057  EHZ PB -- 2023Mar20 1609 58.72 PgD1 112.5  -0.05
B054  EHZ PB -- 2023Mar20 1609 54.12 PgD0  79.4   0.15
B058  EHZ PB -- 2023Mar20 1609 49.83 PgD0  50.6   0.00



HYPO2K Report:


 YEAR MO DA  --ORIGIN--  --LAT N-  --LON W--  DEPTH-M RMS   ERH   ERZ  XMAG1 FMAG1 PMAG GEOID-DEP
 2023-03-20  1609 40.53  37 13.410 121W47.036 24.00  0.08  2.24  1.84        3.42  3.42E   23.97
                                                                                          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  12.8  Emb  128   7   6   6   0   8                                 6  2.62 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
                                                     3.42      6  2.62 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
 MTUMZPN SHZ 01 A 12.8 233 148  PU    45.06  4.53  4.63 0.00 -0.10  1.25  W  0.595 0.00 33.0   2.63 E                        
 ADUB1PN SHZ 01 A 17.6 279 139  PU    45.72  5.19  5.06 0.00  0.13  1.25  W  0.469 0.00  108   3.81 E                        
 ATZ  PN SHZ 01 A 29.1 201 122  PD 3  47.92  7.39  6.36 0.00  1.03* 0.00  W  0.000 0.00 27.0 4 2.54XE                        
 B058 PB EHZ -- A 50.4 158 105  PD    49.83  9.30  9.28 0.00  0.02  1.25  W  0.983 0.00 39.0 1 2.97 E                        
 LCGPZPN SHZ 01 A 50.6 308 105  P  1  49.76  9.23  9.30 0.00 -0.07  0.94  W  0.635 0.00 62.0   3.42 E                        
 RE9A7AM EHZ 00 A 63.5  30  99  P  3  51.65 11.12 11.19 0.00 -0.07  0.31  W  0.655 0.00 5.00 4 1.01XE                        
 B054 PB EHZ -- A 79.6 333  96  PD    54.12 13.59 13.57 0.00  0.02  1.00  W  0.661 0.00 41.0   3.05 E                        
 B057 PB EHZ -- A112.8 323  93  PD 1  58.72 18.19 18.51 0.00 -0.32  0.00  W  0.000 0.00 43.0   3.14 E                        



Event Files: March 2023