Event Number 2670

M2.2 km NE of Alum Rock, CA - 2024/10/09 12:26:54 37.475 -121.729 M2.2 7.6 15 km NE of Alum Rock, CA at 2024/10/09 12:26:54 UTC / 2024/10/09 05:26:54 PDT

Error Map and Stations Used to Locate Event

Errors from USGS Location and Magnitude:

EQPROC = 8.4km (5.2 mi)
HYPO2K = 5.9km (3.7 mi) Magnitude = -0.6

USGS Report:

Date       Time       Lat    Lon      Mag    Depth                Location   
-----------------------------------------------------------------------------------
2024/10/09 12:26:54  37.475 -121.729  M2.2   7.6 15 km NE of Alum Rock, CA

EQPROC Summary:

2670 2024Oct 9 1226 55.17  37.4554 -121.8210 15.27 0.02 27.0 62.6 200  5
ADUB1 SHZ PN 01 2024Oct 9 1227  0.82 P D0  27.1  -0.00
B057  EHZ PB -- 2024Oct 9 1227 10.54 P D2  91.4   0.32
B058  EHZ PB -- 2024Oct 9 1227  7.95 P ?2  75.9  -0.00
B054  EHZ PB -- 2024Oct 9 1227  5.05 P ?0  56.0   0.00
B057  EHZ PB -- 2024Oct 9 1227 23.99 S ?0  91.4   2.93

HYPO2K Report:

 YEAR MO DA  --ORIGIN--  --LAT N-  --LON W--  DEPTH-M RMS   ERH   ERZ  XMAG1 FMAG1 PMAG GEOID-DEP
 2024-10-09  1226 54.89  37 27.661 121W47.290 18.18  0.00  1.36  1.02        2.76  2.76E   18.17
                                                                                          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  29.2  Emb  204   7   2   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
                                                     2.76      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 29.2 216 120  PD    60.82  5.93  5.93 0.00  0.00  1.33  W  1.000 0.00 37.0   2.76 E                        
 B054 PB EHZ -- A 57.3 321 106  P     65.05 10.16 10.16 0.00 -0.00  1.33  W  1.000 0.00 7.00 4 1.24XE                        
 B058 PB EHZ -- A 75.7 165 102  P  2  67.95 13.06 13.06 0.00 -0.00  0.67  W  0.999 0.00 1.00 4                               
 B057 PB EHZ -- A 93.0 313  66  PD 2  70.54 15.65 15.65 0.00  0.00  0.67  W  0.999 0.00 3.00 4 0.47XE                        

Event Files: October 2024