Event Number 893

M2.2 m ENE of San Ramon, California at 2015/10/20 09:05:29 UTC / 2015/10/20 09:05:29 PDT

Error Map and Stations Used to Locate Event

Errors from USGS Location and Magnitude:

EQPROC = 4.3km (2.7 mi)
HYPO2K = 6.0km (3.7 mi) Magnitude = -0.3

USGS Report:

Date       Time       Lat    Lon      Mag    Depth                Location   
-----------------------------------------------------------------------------------
2015/10/20 09:05:29  37.785 -121.965  M2.2   7.7 1km ENE of San Ramon, California

EQPROC Summary:

893 2015Oct20  905 30.70  37.8024 -122.0085 12.50 0.04 18.0 42.9 241  4
JCPZ  SHZ PN 08 2015Oct20  905 37.42 P D3  36.6  -0.32
ADUB1 SHZ PN 01 2015Oct20  905 41.61 P D1  61.7  -0.02
B054  EHZ PB -- 2015Oct20  905 34.82 P U0  18.0   0.00
B057  EHZ PB -- 2015Oct20  905 40.75 P D1  55.1   0.08

HYPO2K Report:

 YEAR MO DA  --ORIGIN--  --LAT N-  --LON W--  DEPTH   RMS   ERH   ERZ  XMAG1 FMAG1 PMAG
 2015-10-20  0905 31.41  37 46.98  122W 1.86   7.52  0.00  2.72  2.43        2.50  2.50E
                                                                                          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  17.1  Emb  234   7   4   4   0   4                                 3  0.38 E  W W  

 XMAG2-N.XMG2-XMMAD-T-S  FMAG2-N.FMG2-FMMAD-T-S  PREF.MAG-N.PMAG-PRMAD-T
                                                     2.50      3  0.38 E
 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 17.1 301 109  PU    34.82  3.41  3.41 0.00  0.00  1.45  W  0.999 0.00 23.0   2.12 E                        
 JCPZ PN SHZ 08 A 33.6 231  99  PD 3  37.42  6.01  6.01 0.00  0.00  0.36  W  0.999 0.00 48.0   2.93 E                        
 B057 PB EHZ -- A 54.3 301  96  PD 1  40.75  9.34  9.34 0.00  0.00  1.09  W  1.000 0.00 3.00 4 0.31XE                        
 ADUB1PN SHZ 01 A 59.6 175  95  PD 1  41.61 10.20 10.20 0.00  0.00  1.09  W  1.000 0.00 29.0   2.50 E                        

Event Files: October 2015