Event Number 2323

M2.5 km E of Alum Rock, CA - 2022/10/20 20:02:47 37.359 -121.719 M2.5 6.1 10km E of Alum Rock, CA at 2022/10/20 20:02:47 UTC / 2022/10/20 13:02:47 PDT

Error Map and Stations Used to Locate Event

Errors from USGS Location and Magnitude:

EQPROC = 3.8km (2.3 mi)
HYPO2K = 0.9km (0.6 mi) Magnitude = 0.0

USGS Report:

Date       Time       Lat    Lon      Mag    Depth                Location   
-----------------------------------------------------------------------------------
2022/10/20 20:02:47  37.359 -121.719  M2.5   6.1 10km E of Alum Rock, CA

EQPROC Summary:

2323 2022Oct20 2002 47.39  37.3363 -121.6875 10.05 0.12 27.5 59.7 209  5
MTUMZ SHZ PN 01 2022Oct20 2002 52.84 P U0  27.5  -0.00
ADUB1 SHZ PN 01 2022Oct20 2002 52.87 P U0  27.7   0.00
B054  EHZ PB -- 2022Oct20 2003  0.31 P D1  73.7   0.04
B057  EHZ PB -- 2022Oct20 2003  5.13 P D1 109.1  -0.17
B058  EHZ PB -- 2022Oct20 2002 58.79 P ?1  60.4   0.46

HYPO2K Report:

 YEAR MO DA  --ORIGIN--  --LAT N-  --LON W--  DEPTH-M RMS   ERH   ERZ  XMAG1 FMAG1 PMAG GEOID-DEP
 2022-10-20  2002 48.01  37 21.042 121W43.909  9.91  0.26  5.24 18.19        2.49  2.49E    9.87
                                                                                          SOURCE
 NSTA NPHS  DMIN MODEL GAP ITR NFM NWR NWS NVR REMRKS-AVH  N.XMG-XMMAD-T   N.FMG-FMMAD-T  L F X
    5    5  24.8  Emb  202   6   4   5   0   5      -                          4  2.49 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
                                                     2.49      4  2.49 E     41  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
 ADUB1PN SHZ 01 A 24.8 243 108  PU    52.87  4.86  4.72 0.00  0.14  1.19  W  0.629 0.00 45.0   2.81 E                        
 MTUMZPN SHZ 01 A 26.4 214 107  PU    52.84  4.83  4.96 0.00 -0.13  1.19  W  0.494 0.00 23.0   2.17 E                        
 B058 PB EHZ -- A 62.6 167  97  P  1  58.79 10.78 10.73 0.00  0.05  0.89  W  0.911 0.00 23.0   2.28 E                        
 B054 PB EHZ -- A 70.0 325  96  PD 1  60.31 12.30 11.93 0.00  0.37  0.89  W  0.999 0.00 23.0   2.29 E                        
 B057 PB EHZ -- A105.1 316  94  PD 1  65.13 17.12 17.61 0.00 -0.49  0.85  W  0.964 0.00 9.00 4 1.42XE                        

Event Files: October 2022