Errors from USGS Location and Magnitude:
EQPROC = 0.7km (0.4 mi)
HYPO2K = 2.5km (1.6 mi)
Magnitude = -0.1
USGS Report:
Date Time Lat Lon Mag Depth Location
-----------------------------------------------------------------------------------
2014/07/20 22:27:11 37.835 -121.785 M2.5 15.9 10km E of Blackhawk, California
EQPROC Summary:
546 2014Jul20 2227 12.27 37.8292 -121.7838 17.50 0.00 12.7 44.1 168 4
CBS SHZ PN 07 2014Jul20 2227 16.18 P U0 12.7 0.00
JCPZ SHZ PN 08 2014Jul20 2227 21.96 P ?3 54.6 0.00
B054 EHZ PB -- 2014Jul20 2227 19.38 P U0 36.8 0.00
B057 EHZ PB -- 2014Jul20 2227 24.55 P U0 72.4 0.00
HYPO2K Report:
YEAR MO DA --ORIGIN-- --LAT N- --LON W-- DEPTH RMS ERH ERZ XMAG1 FMAG1 PMAG
2014-07-20 2227 12.10 37 51.27 121W46.32 20.00 0.04 2.94 0.82 2.60 2.60E
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 12.2 Emb 183 8 3 4 0 4 # 4 0.21 E W W
XMAG2-N.XMG2-XMMAD-T-S FMAG2-N.FMG2-FMMAD-T-S PREF.MAG-N.PMAG-PRMAD-T
2.60 4 0.21 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 12.2 109 147 PU 16.18 4.08 4.09 0.00 -0.01 1.23 W 0.999 0.00 172 2 4.17 E
B054 PB EHZ -- A 37.6 272 116 PU 19.38 7.28 7.27 0.00 0.01 1.23 W 0.999 0.00 27.0 2.54 E
JCPZ PN SHZ 08 A 56.9 239 66 P 3 21.96 9.86 10.14 0.00 -0.28 0.31 W 1.000 0.00 34.0 2.79 E
B057 PB EHZ -- A 72.3 286 66 PU 24.55 12.45 12.44 0.00 0.01 1.23 W 1.000 0.00 21.0 2.34 E