Event Number 2215

M2.2 m E of Alum Rock, CA - 2022/01/02 13:42:00 37.376 -121.728 M2.2 8.1 9km E of Alum Rock, CA at 2022/01/02 13:42:00 UTC / 2022/01/02 05:42:00 PDT

Error Map and Stations Used to Locate Event

Errors from USGS Location and Magnitude:

EQPROC = 9.9km (6.1 mi)
HYPO2K = 11.2km (7.0 mi) Magnitude = 0.2

USGS Report:

Date       Time       Lat    Lon      Mag    Depth                Location   
-----------------------------------------------------------------------------------
2022/01/02 13:42:00  37.376 -121.728  M2.2   8.1 9km E of Alum Rock, CA

EQPROC Summary:

2215 2022Jan 2 1342  1.57  37.2872 -121.7352  3.00 0.03 20.7 34.8 230  4
ADUB1 SHZ PN 01 2022Jan 2 1342  5.69 P ?3  22.1  -0.35
MTUMZ SHZ PN 01 2022Jan 2 1342  5.81 P ?0  20.7   0.00
GLFBZ SHZ PN 01 2022Jan 2 1342  9.20 P ?2  40.7   0.00
B058  EHZ PB -- 2022Jan 2 1342 11.78 P D2  55.9   0.00

HYPO2K Report:

 YEAR MO DA  --ORIGIN--  --LAT N-  --LON W--  DEPTH-M RMS   ERH   ERZ  XMAG1 FMAG1 PMAG GEOID-DEP
 2022-01-02  1342  2.29  37 16.732 121W45.483  2.98  0.07  1.19 10.06        1.97  1.97E    2.95
                                                                                          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  18.6  Emb  225   7   1   4   0   4      -                          3  0.98 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
                                                     1.97      3  0.98 E     32  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
 MTUMZPN SHZ 01 A 18.6 222  93  P      5.81  3.52  3.51 0.00  0.01  1.78  W  0.999 0.00 15.0   1.71 E                        
 ADUB1PN SHZ 01 A 20.0 260  93  P  3   5.69  3.40  3.73 0.00 -0.33  0.44  W  1.000 0.00 25.0   2.22 E                        
 GLFBZPN SHZ 01 A 39.4 298  91  P  2   9.20  6.91  6.88 0.00  0.03  0.89  W  1.000 0.00 13.0   1.70 E                        
 B058 PB EHZ -- A 55.5 163  91  PD 2  11.78  9.49  9.51 0.00 -0.02  0.89  W  1.000 0.00 3.00 4 0.31XE                        

Event Files: January 2022