Errors from USGS Location and Magnitude:
EQPROC = 13.9km (8.7 mi)
HYPO2K = 14.4km (9.0 mi)
Magnitude = -0.5
USGS Report:
Date Time Lat Lon Mag Depth Location
-----------------------------------------------------------------------------------
2018/02/23 11:24:57 37.823 -121.979 M2.8 6.6 2km E of Danville, CA
EQPROC Summary:
1526 2018Feb23 1124 57.41 37.9418 -121.9273 8.00 0.05 57.1 81.5 221 4
ADUB1 SHZ PN 01 2018Feb23 1125 11.01 P U1 77.3 0.01
CMP SHZ PN 07 2018Feb23 1125 12.02 P U3 84.3 0.00
ATZ SHZ PN 01 2018Feb23 1125 15.54 P D0 107.1 0.24
B057 EHZ PB -- 2018Feb23 1125 7.77 P ?1 57.1 -0.00
HYPO2K Report:
YEAR MO DA --ORIGIN-- --LAT N- --LON W-- DEPTH-M RMS ERH ERZ XMAG1 FMAG1 PMAG GEOID-DEP
2018-02-23 1124 57.80 37 56.38 121W54.75 8.00 0.12 3.76 12.50 3.27 3.27E 7.97
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 58.2 Emb 220 7 3 4 0 4 - 4 0.05 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
3.27 4 0.05 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 58.2 280 96 P 1 67.77 9.97 9.98 0.00 -0.01 1.09 W 1.000 0.00 31.0 2.56 E
ADUB1PN SHZ 01 A 77.1 185 94 PU 1 71.01 13.21 13.03 0.00 0.18 1.09 W 1.000 0.00 62.0 1 3.25 E
CMP PN SHZ 07 A 83.2 140 94 PU 3 72.02 14.22 14.03 0.00 0.19 0.36 W 1.000 0.00 67.0 3.34 E
ATZ PN SHZ 01 A106.7 179 93 PD 75.54 17.74 17.84 0.00 -0.10 1.45 W 1.000 0.00 62.0 3.29 E