Event Number 1699

M2.3 m E of Alum Rock, CA at 2019/03/19 10:18:44 UTC / 2019/03/19 10:18:44 PDT

Error Map and Stations Used to Locate Event

Errors from USGS Location and Magnitude:

EQPROC = 3.0km (1.9 mi)
HYPO2K = 2.6km (1.6 mi) Magnitude = -0.5

USGS Report:

Date       Time       Lat    Lon      Mag    Depth                Location   
-----------------------------------------------------------------------------------
2019/03/19 10:18:44  37.370 -121.733  M2.3   5.8 8km E of Alum Rock, CA

EQPROC Summary:

1699 2019Mar19 1018 44.63  37.3950 -121.7201  2.50 0.10 28.2 42.3 222  5
MTUMZ SHZ PN 01 2019Mar19 1018 50.40 P U0  31.1  -0.33
ADUB1 SHZ PN 01 2019Mar19 1018 50.24 P U0  28.2   0.00
CMP   SHZ PN 07 2019Mar19 1018 51.51 P U0  35.7  -0.00
ATZ   SHZ PN 01 2019Mar19 1018 53.75 P ?0  48.9   0.00
B058  EHZ PB -- 2019Mar19 1018 56.44 P D2  67.3  -0.42

HYPO2K Report:

 YEAR MO DA  --ORIGIN--  --LAT N-  --LON W--  DEPTH-M RMS   ERH   ERZ  XMAG1 FMAG1 PMAG GEOID-DEP
 2019-03-19  1018 45.17  37 23.58  121W43.40   2.50  0.16  2.32 15.77        2.84  2.84E    2.46
                                                                                          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  27.9  Emb  221   6   4   5   0   5      -                          4  0.29 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
                                                     2.84      4  0.29 E     41  5  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 27.9 235  91  PU    50.24  5.07  5.01 0.00  0.06  1.11  W  0.909 0.00 37.0   2.64 E                        
 MTUMZPN SHZ 01 A 30.8 211  90  PU    50.40  5.23  5.48 0.00 -0.25  1.11  W  0.932 0.00 27.0 1 2.36 E                        
 CMP  PN SHZ 07 A 36.1  96  90  PU    51.51  6.34  6.35 0.00 -0.01  1.11  W  0.992 0.00 69.0   3.29 E                        
 ATZ  PN SHZ 01 A 48.6 199  90  P     53.75  8.58  8.37 0.00  0.21  1.11  W  0.862 0.00 47.0   2.96 E                        
 B058 PB EHZ -- A 67.1 169  90  PD 2  56.44 11.27 11.37 0.00 -0.10  0.56  W  0.303 0.00 7.00 4 1.14XE                        

Event Files: March 2019