Event Number 1525

M2.7 m E of Danville, CA at 2018/02/23 10:32:10 UTC / 2018/02/23 10:32:10 PDT

Error Map and Stations Used to Locate Event

Errors from USGS Location and Magnitude:

EQPROC = 12.9km (8.0 mi)
HYPO2K = 10.6km (6.6 mi) Magnitude = -0.3

USGS Report:

Date       Time       Lat    Lon      Mag    Depth                Location   
-----------------------------------------------------------------------------------
2018/02/23 10:32:10  37.824 -121.981  M2.7   6.1 2km E of Danville, CA

EQPROC Summary:

1525 2018Feb23 1032 10.90  37.9346 -121.9367  8.00 0.01 56.5 80.9 219  4
ADUB1 SHZ PN 01 2018Feb23 1032 24.37 P D3  76.5   0.00
CMP   SHZ PN 07 2018Feb23 1032 25.50 P D3  84.2   0.00
ATZ   SHZ PN 01 2018Feb23 1032 28.86 P U2 106.3   0.17
B057  EHZ PB -- 2018Feb23 1032 21.15 P D0  56.5   0.00

HYPO2K Report:

 YEAR MO DA  --ORIGIN--  --LAT N-  --LON W--  DEPTH-M RMS   ERH   ERZ  XMAG1 FMAG1 PMAG GEOID-DEP
 2018-02-23  1032 11.50  37 54.95  121W56.51   8.02  0.07  2.48 10.02        3.01  3.01E    7.99
                                                                                          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  56.2  Emb  215   7   4   4   0   4      -                          4  0.10 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
                                                     3.01      4  0.10 E     29  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
 B057 PB EHZ -- A 56.2 283  96  PD    21.15  9.65  9.65 0.00  0.00  2.00  W  0.999 0.00 23.0 1 2.27 E                        
 ADUB1PN SHZ 01 A 74.3 183  94  PD 3  24.37 12.87 12.58 0.00  0.29  0.50  W  0.999 0.00 49.0 1 3.02 E                        
 CMP  PN SHZ 07 A 82.9 138  94  PD 3  25.50 14.00 13.97 0.00  0.03  0.50  W  1.000 0.00 60.0   3.23 E                        
 ATZ  PN SHZ 01 A104.1 177  93  PU 2  28.86 17.36 17.43 0.00 -0.07  1.00  W  1.000 0.00 46.0   3.00 E                        

Event Files: Febuary 2018