Event Number 1829

M2.7 m NW of Castro Valley, CA at 2019/12/30 23:28:51 UTC / 2019/12/30 23:28:51 PDT

Error Map and Stations Used to Locate Event

Errors from USGS Location and Magnitude:

EQPROC = 7.1km (4.4 mi)
HYPO2K = 19.7km (12.2mi) Magnitude = 0.3

USGS Report:

Date       Time       Lat    Lon      Mag    Depth                Location   
-----------------------------------------------------------------------------------
2019/12/30 23:28:51  37.709 -122.110  M2.7   4.6 3km NW of Castro Valley, CA

EQPROC Summary:

1829 2019Dec30 2328 51.29  37.7427 -122.0411  6.92 0.03 19.1 61.9 206  5
ADUB1 SHZ PN 01 2019Dec30 2329  1.33 P ?0  55.3   0.00
MTUMZ SHZ PN 01 2019Dec30 2329  3.26 P ?1  66.7   0.00
B057  EHZ PB -- 2019Dec30 2329  0.77 P ?3  56.1  -0.68
B058  EHZ PB -- 2019Dec30 2329  9.98 P D2 112.4   0.00
B054  EHZ PB -- 2019Dec30 2328 55.24 P U0  19.1   0.00

HYPO2K Report:

 YEAR MO DA  --ORIGIN--  --LAT N-  --LON W--  DEPTH-M RMS   ERH   ERZ  XMAG1 FMAG1 PMAG GEOID-DEP
 2019-12-30  2328 50.68  37 48.76  121W55.56   7.11  0.10  4.72 11.78        2.45  2.45E    7.07
                                                                                          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  24.7  Emb  241   5   2   4   0   5      -                          4  0.01 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
                                                     2.45      4  0.01 E     39  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
 B054 PB EHZ -- A 24.7 283 102  PU    55.24  4.56  4.56 0.00  0.00  1.23  W  0.999 0.00 31.0   2.45 E                        
 B057 PB EHZ -- A 61.1 294  94  P  3  60.77 10.09 10.43 0.00 -0.34  0.00  W  0.000 0.00 27.0   2.43 E                        
 ADUB1PN SHZ 01 A 62.9 185  94  P     61.33 10.65 10.73 0.00 -0.08  1.23  W  0.999 0.00 39.0   2.79 E                        
 MTUMZPN SHZ 01 A 73.2 178  94  P  1  63.26 12.58 12.40 0.00  0.18  0.92  W  0.999 0.00 27.0   2.45 E                        
 B058 PB EHZ -- A116.5 164  92  PD 2  69.98 19.30 19.43 0.00 -0.13  0.62  W  0.999 0.00 1.00 4                               

Event Files: December 2019