Event Number 1719

M2.0 km E of Alum Rock, CA at 2019/04/16 12:23:32 UTC / 2019/04/16 12:23:32 PDT

Error Map and Stations Used to Locate Event

Errors from USGS Location and Magnitude:

EQPROC = 2.1km (1.3 mi)
HYPO2K = 1.5km (0.9 mi) Magnitude = 0.3

USGS Report:

Date       Time       Lat    Lon      Mag    Depth                Location   
-----------------------------------------------------------------------------------
2019/04/16 12:23:32  37.353 -121.719  M2.0   5.6 10km E of Alum Rock, CA

EQPROC Summary:

1719 2019Apr16 1223 33.01  37.3439 -121.6984  9.00 0.10 27.1 56.0 215  4
MTUMZ SHZ PN 01 2019Apr16 1223 38.25 P ?1  27.5  -0.17
ADUB1 SHZ PN 01 2019Apr16 1223 38.35 P D0  27.1   0.00
B057  EHZ PB -- 2019Apr16 1223 51.11 P ?3 107.8   0.23
B058  EHZ PB -- 2019Apr16 1223 44.34 P U3  61.4   0.24

HYPO2K Report:

 YEAR MO DA  --ORIGIN--  --LAT N-  --LON W--  DEPTH-M RMS   ERH   ERZ  XMAG1 FMAG1 PMAG GEOID-DEP
 2019-04-16  1223 33.45  37 20.53  121W42.80   8.96  0.13  3.63 13.13        1.71  1.71E    8.92
                                                                                          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  25.9  Emb  212  12   2   4   0   4      -                          2  0.37 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
                                                     1.71      2  0.37 E     42  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
 ADUB1PN SHZ 01 A 25.9 247 106  PD    38.35  4.90  4.83 0.00  0.07  1.78  W  0.999 0.00 19.0   1.99 E                        
 MTUMZPN SHZ 01 A 26.6 218 105  P  1  38.25  4.80  4.94 0.00 -0.14  1.33  W  1.000 0.00 8.00 2 1.16 E                        
 B058 PB EHZ -- A 61.4 168  96  PU 3  44.34 10.89 10.51 0.00  0.38  0.44  W  0.999 0.00 1.00 4                               
 B057 PB EHZ -- A106.9 316  93  P  3  51.11 17.66 17.89 0.00 -0.23  0.44  W  1.000 0.00 1.00 4                               

Event Files: April 2019