Errors from USGS Location and Magnitude:
EQPROC = 4.2km (2.6 mi)
HYPO2K = 3.5km (2.2 mi)
Magnitude = 0.0
USGS Report:
Date Time Lat Lon Mag Depth Location
-----------------------------------------------------------------------------------
2014/12/18 09:27:23 37.845 -121.803 M2.5 15.6 9km ENE of Blackhawk, California
EQPROC Summary:
674 2014Dec18 927 24.24 37.8590 -121.8471 4.50 0.01 18.7 51.4 178 4
CBS SHZ PN 07 2014Dec18 927 28.07 P U0 18.7 0.00
JCPZ SHZ PN 08 2014Dec18 927 33.54 P ?3 51.7 -0.10
ADUB1 SHZ PN 01 2014Dec18 927 36.58 P U0 69.0 0.01
B057 EHZ PB -- 2014Dec18 927 36.09 P D0 66.1 0.00
HYPO2K Report:
YEAR MO DA --ORIGIN-- --LAT N- --LON W-- DEPTH RMS ERH ERZ XMAG1 FMAG1 PMAG
2014-12-18 0927 24.72 37 51.98 121W49.87 4.48 0.04 0.79 8.97 2.49 2.49E
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 17.6 Emb 181 7 3 4 0 4 - 4 0.09 E W W
XMAG2-N.XMG2-XMMAD-T-S FMAG2-N.FMG2-FMMAD-T-S PREF.MAG-N.PMAG-PRMAD-T
2.49 4 0.09 E
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
CBS PN SHZ 07 A 17.6 107 98 PU 28.07 3.35 3.35 0.00 0.00 1.23 W 0.999 0.00 143 2 3.88 E
JCPZ PN SHZ 08 A 53.2 235 92 P 3 33.54 8.82 9.13 0.00 -0.31 0.31 W 0.999 0.00 31.0 2.56 E
B057 PB EHZ -- A 67.0 286 92 PD 36.09 11.37 11.37 0.00 0.00 1.23 W 1.000 0.00 23.0 1 2.29 E
ADUB1PN SHZ 01 A 69.9 191 92 PU 36.58 11.86 11.85 0.00 0.01 1.23 W 0.999 0.00 27.0 2.44 E