Event Number 1524

M2.8 m WNW of Diablo, CA at 2018/02/21 02:16:39 UTC / 2018/02/21 02:16:39 PDT

Error Map and Stations Used to Locate Event

Errors from USGS Location and Magnitude:

EQPROC = 4.7km (3.0 mi)
HYPO2K = 3.8km (2.4 mi) Magnitude = 0.0

USGS Report:

Date       Time       Lat    Lon      Mag    Depth                Location   
-----------------------------------------------------------------------------------
2018/02/21 02:16:39  37.844 -121.985  M2.8   6.9 3km WNW of Diablo, CA

EQPROC Summary:

1524 2018Feb21  216 40.33  37.8865 -121.9913  8.71 0.01 18.6 70.5 208  5
ADUB1 SHZ PN 01 2018Feb21  216 52.94 P U0  71.0  -0.00
CMP   SHZ PN 07 2018Feb21  216 54.77 P U3  83.6  -0.00
B054  EHZ PB -- 2018Feb21  216 44.27 P U0  18.6  -0.00
B058  EHZ PB -- 2018Feb21  217  2.08 Pg?3 126.1   1.10
B057  EHZ PB -- 2018Feb21  216 50.01 P U0  53.1  -0.00

HYPO2K Report:

 YEAR MO DA  --ORIGIN--  --LAT N-  --LON W--  DEPTH-M RMS   ERH   ERZ  XMAG1 FMAG1 PMAG GEOID-DEP
 2018-02-21  0216 41.28  37 52.04  122W 1.39   2.55  0.01  2.11  8.22        2.78  2.78E    2.52
                                                                                          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  15.5  Emb  230   8   4   4   0   5      -                          4  0.35 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
                                                     2.78      4  0.35 E     32  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 15.5 268  92  PU    44.27  2.99  2.99 0.00  0.00  1.23  W  0.999 0.00 37.0   2.57 E                        
 B057 PB EHZ -- A 50.9 291  90  PU    50.01  8.73  8.73 0.00  0.00  1.23  W  0.999 0.00 27.0   2.42 E                        
 ADUB1PN SHZ 01 A 68.9 176  90  PU    52.94 11.66 11.67 0.00 -0.01  1.23  W  0.999 0.00 55.0   3.13 E                        
 CMP  PN SHZ 07 A 84.1 132  90  PU 3  54.77 13.49 14.14 0.00 -0.65* 0.00  W  0.000 0.00  135 1 4.01 E                        
 B058 PB EHZ -- A124.8 161  90  P  3  62.08 20.80 20.76 0.00  0.04  0.31  W  0.999 0.00 1.00 4                               

Event Files: Febuary 2018