Event Number 1579

M2.6 m NNW of Diablo, CA at 2018/05/01 10:16:56 UTC / 2018/05/01 10:16:56 PDT

Error Map and Stations Used to Locate Event

Errors from USGS Location and Magnitude:

EQPROC = 17.1km (10.6mi)
HYPO2K = 14.0km (8.7 mi) Magnitude = 0.3

USGS Report:

Date       Time       Lat    Lon      Mag    Depth                Location   
-----------------------------------------------------------------------------------
2018/05/01 10:16:56  37.877 -121.983  M2.6   4.5 5km NNW of Diablo, CA

EQPROC Summary:

1579 2018May 1 1016 59.41  37.8425 -122.1720  9.18 0.01  3.1 67.6 207  5
ADUB1 SHZ PN 01 2018May 1 1017 11.58 P U2  68.3   0.00
ATZ   SHZ PN 01 2018May 1 1017 16.11 P ?3  99.0   0.04
B057  EHZ PB -- 2018May 1 1017  6.97 P U0  40.4   0.00
B058  EHZ PB -- 2018May 1 1017 23.07 PgU3 127.1   2.90
B054  EHZ PB -- 2018May 1 1017  1.35 P U0   3.1   0.00

HYPO2K Report:

 YEAR MO DA  --ORIGIN--  --LAT N-  --LON W--  DEPTH-M RMS   ERH   ERZ  XMAG1 FMAG1 PMAG GEOID-DEP
 2018-05-01  1016 59.80  37 52.58  122W 8.25   4.84  0.32 18.62 13.96        2.27  2.27E    4.82
                                                                                          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   5.7  Emb  222   8   4   5   0   5      -                          3  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
                                                     2.27      3  0.01 E     17  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
 B054 PB EHZ -- A  5.7 252 122  PU    61.35  1.55  1.54 0.00  0.01  1.67  W  0.999 0.00 29.0   2.27 E                        
 B057 PB EHZ -- A 41.2 295  94  PU    66.97  7.17  7.18 0.00 -0.01  1.67  W  0.999 0.00 23.0   2.26 E                        
 ADUB1PN SHZ 01 A 71.2 168  92  PU 2  71.58 11.78 12.05 0.00 -0.27  0.83  W  0.809 0.00 45.0   2.94 E                        
 ATZ  PN SHZ 01 A101.9 167  91  P  3  76.11 16.31 17.05 0.00 -0.74* 0.42  W  0.192 0.00 7.00 4 1.18XE                        
 B058 PB EHZ -- A129.3 157  91  PU 3  83.07 23.27 21.51 0.00  1.76* 0.42  W  0.998 0.00 1.00 4                               

Event Files: May 2018