Event Number 1522

M2.8 m NW of Diablo, CA at 2018/02/20 09:32:03 UTC / 2018/02/20 09:32:03 PDT

Error Map and Stations Used to Locate Event

Errors from USGS Location and Magnitude:

EQPROC = 29.4km (18.2mi)
HYPO2K = 12.5km (7.8 mi) Magnitude = -0.5

USGS Report:

Date       Time       Lat    Lon      Mag    Depth                Location   
-----------------------------------------------------------------------------------
2018/02/20 09:32:03  37.846 -121.978  M2.8   6.8 2km NW of Diablo, CA

EQPROC Summary:

1522 2018Feb20  932  9.21  37.6131 -121.8201  8.00 0.17 43.0 54.5 283  4
ADUB1 SHZ PN 01 2018Feb20  932 17.00 P D2  43.0  -0.19
CMP   SHZ PN 07 2018Feb20  932 18.69 P U3  52.6  -0.12
MTUMZ SHZ PN 01 2018Feb20  932 18.63 P ?3  51.6   0.00
ATZ   SHZ PN 01 2018Feb20  932 22.06 P U1  70.9   0.20

HYPO2K Report:

 YEAR MO DA  --ORIGIN--  --LAT N-  --LON W--  DEPTH-M RMS   ERH   ERZ  XMAG1 FMAG1 PMAG GEOID-DEP
 2018-02-20  0932  7.38  37 45.44  121W53.32   8.00  0.14  9.17 12.72        3.28  3.28E    7.95
                                                                                          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  57.2  Emb  302   5   3   4   0   4      -                          4  0.38 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
                                                     3.28      4  0.38 E     48  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
 ADUB1PN SHZ 01 A 57.2 189  96  PD 2  17.00  9.62  9.81 0.00 -0.19  1.14  W  0.999 0.00 48.0   2.99 E                        
 MTUMZPN SHZ 01 A 67.1 181  95  P  3  18.63 11.25 11.41 0.00 -0.16  0.57  W  1.000 0.00 27.0   2.44 E                        
 CMP  PN SHZ 07 A 67.1 131  95  PU 3  18.69 11.31 11.42 0.00 -0.11  0.57  W  0.999 0.00 87.0   3.57 E                        
 ATZ  PN SHZ 01 A 86.5 181  94  PU 1  22.06 14.68 14.56 0.00  0.12  1.71  W  1.000 0.00  103   3.75 E                        

Event Files: Febuary 2018