Event Number 2628

M2.0 km NE of Alum Rock, CA - 2024/07/01 20:41:58 37.425 -121.770 M2.0 7.3 8 km NE of Alum Rock, CA at 2024/07/01 20:41:58 UTC / 2024/07/01 13:41:58 PDT

Error Map and Stations Used to Locate Event

Errors from USGS Location and Magnitude:

EQPROC = 41.3km (25.7mi)
HYPO2K = 25.9km (16.1mi) Magnitude = -0.5

USGS Report:

Date       Time       Lat    Lon      Mag    Depth                Location   
-----------------------------------------------------------------------------------
2024/07/01 20:41:58  37.425 -121.770  M2.0   7.3 8 km NE of Alum Rock, CA

EQPROC Summary:

2628 2024Jul 1 2041 59.80  37.2583 -122.1868 15.75 0.24 18.3 62.7 205  4
ADUB1 SHZ PN 01 2024Jul 1 2042  4.23 P U0  18.3   0.00
B057  EHZ PB -- 2024Jul 1 2042 15.24 P D1  91.7   0.34
B058  EHZ PB -- 2024Jul 1 2042 11.55 P ?2  73.9  -0.74
B054  EHZ PB -- 2024Jul 1 2042 10.87 P D1  66.9  -0.40

HYPO2K Report:

 YEAR MO DA  --ORIGIN--  --LAT N-  --LON W--  DEPTH-M RMS   ERH   ERZ  XMAG1 FMAG1 PMAG GEOID-DEP
 2024-07-01  2041 59.57  37 18.167 122W 1.507 26.63  0.00  2.96  1.07        2.48  2.48E   26.62
                                                                                          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   7.3  Emb  183  11   3   4   0   4                                 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
                                                     2.48      1  0.00 E     15  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  7.3 147 163  PU    64.23  4.66  4.66 0.00 -0.00  1.33  W  0.999 0.00 28.0   2.48 E                        
 B054 PB EHZ -- A 63.8 347 103  PD 1  70.87 11.30 11.30 0.00 -0.00  1.00  W  1.000 0.00 3.00 4 0.55XE                        
 B058 PB EHZ -- A 68.4 144 102  P  2  71.55 11.98 11.98 0.00 -0.00  0.67  W  1.000 0.00 1.00 4                               
 B057 PB EHZ -- A 93.5 330  97  PD 1  75.24 15.67 15.67 0.00 -0.00  1.00  W  1.000 0.00 3.00 4 0.58XE                        

Event Files: July 2024