Event Number 525

M2.2 m E of Walnut Creek, California at 2014/05/17 08:50:30 UTC / 2014/05/17 08:50:30 PDT

Error Map and Stations Used to Locate Event

Errors from USGS Location and Magnitude:

EQPROC = 17.0km (10.6mi)
HYPO2K = 15.6km (9.7 mi) Magnitude = 0.2

USGS Report:

Date       Time       Lat    Lon      Mag    Depth                Location   
-----------------------------------------------------------------------------------
2014/05/17 08:50:30  37.896 -121.993  M2.2  11.3 6km E of Walnut Creek, California

EQPROC Summary:

525 2014May17  850 33.03  37.8646 -122.1822 11.21 0.00  1.6 36.0 227  4
JCPZ  SHZ PN 08 2014May17  850 39.45 P D3  33.1  -0.00
ADUB1 SHZ PN 01 2014May17  850 45.40 P ?1  70.9  -0.00
B054  EHZ PB -- 2014May17  850 35.23 P U0   1.6  -0.00
B057  EHZ PB -- 2014May17  850 40.31 P ?1  38.3  -0.00

HYPO2K Report:

 YEAR MO DA  --ORIGIN--  --LAT N-  --LON W--  DEPTH   RMS   ERH   ERZ  XMAG1 FMAG1 PMAG
 2014-05-17  0850 33.37  37 52.00  122W10.20   9.50  0.01  3.36  0.70        2.03  2.03E
                                                                                          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   2.7  Emb  228   5   2   4   0   4                                 4  0.14 E  W W  

 XMAG2-N.XMG2-XMMAD-T-S  FMAG2-N.FMG2-FMMAD-T-S  PREF.MAG-N.PMAG-PRMAD-T
                                                     2.03      4  0.14 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  2.7 255 162  PU    35.23  1.86  1.87 0.00 -0.01  1.45  W  1.000 0.00 21.0   1.94 E                        
 JCPZ PN SHZ 08 A 33.7 204 103  PD 3  39.45  6.08  6.09 0.00 -0.01  0.36  W  1.000 0.00 29.0   2.44 E                        
 B057 PB EHZ -- A 39.1 298 101  P  1  40.31  6.94  6.94 0.00  0.00  1.09  W  1.000 0.00 15.0   1.84 E                        
 ADUB1PN SHZ 01 A 70.8 166  96  P  1  45.40 12.03 12.03 0.00  0.00  1.09  W  1.000 0.00 19.0   2.11 E                        

Event Files: May 2014