Event Number 2562

M1.9 km ESE of Alum Rock, CA - 2023/11/08 00:38:29 37.314 -121.678 M1.9 7.3 14 km ESE of Alum Rock, CA at 2023/11/08 00:38:29 UTC / 2023/11/07 16:38:29 PDT

Error Map and Stations Used to Locate Event

Errors from USGS Location and Magnitude:

EQPROC = 61.2km (38.1mi)
HYPO2K = 31.4km (19.5mi) Magnitude = 0.2

USGS Report:

Date       Time       Lat    Lon      Mag    Depth                Location   
-----------------------------------------------------------------------------------
2023/11/08 00:38:29  37.314 -121.678  M1.9   7.3 14 km ESE of Alum Rock, CA

EQPROC Summary:

2562 2023Nov 8   38 28.44  37.0420 -122.2781  2.50 0.23 35.8101.4 220  5
MTUMZ SHZ PN 01 2023Nov 8   38 35.33 P U3  35.8  -0.00
B057  EHZ PB -- 2023Nov 8   38 48.95 P ?2 112.4   1.23
B058  EHZ PB -- 2023Nov 8   38 40.65 P ?2  67.2  -0.00
B054  EHZ PB -- 2023Nov 8   38 44.64 P U2  91.2  -0.00
B073  EHZ PB -- 2023Nov 8   38 59.40 P ?2 200.6   0.44

HYPO2K Report:

 YEAR MO DA  --ORIGIN--  --LAT N-  --LON W--  DEPTH-M RMS   ERH   ERZ  XMAG1 FMAG1 PMAG GEOID-DEP
 2023-11-08  0038 30.86  37  9.286 121W58.784 26.92  0.04  3.47  0.85        1.74  1.74E   26.86
                                                                                          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   7.3  Emb  196  16   2   5   0   5                                 1  0.00 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
                                                     1.74      1  0.00 E     52  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
 MTUMZPN SHZ 01 A  7.3  91 163  PU 3  35.33  4.47  4.70 0.00 -0.23  0.41  W  0.246 0.00 13.0   1.74 E                        
 B058 PB EHZ -- A 53.1 137 108  P  2  40.65  9.79  9.78 0.00  0.01  1.15  W  0.836 0.00 1.00 4                               
 B054 PB EHZ -- A 80.7 347  99  PU 2  44.64 13.78 13.78 0.00  0.00  1.15  W  0.975 0.00 1.00 4                               
 B057 PB EHZ -- A109.8 333  95  P  2  48.95 18.09 18.09 0.00  0.00  1.15  W  0.999 0.00 1.00 4                               
 B073 PB EHZ -- A190.3 134  54  P  2  59.40 28.54 28.55 0.00 -0.01  1.15  W  0.941 0.00 1.00 4                               

Event Files: November 2023