Errors from USGS Location and Magnitude:
EQPROC = 21.6km (13.4mi)
HYPO2K = 22.1km (13.7mi)
Magnitude = -0.9
USGS Report:
Date Time Lat Lon Mag Depth Location
-----------------------------------------------------------------------------------
2015/04/08 06:23:48 37.808 -121.798 M2.6 14.6 9km E of Blackhawk, California
EQPROC Summary:
736 2015Apr 8 623 50.21 37.8756 -122.0277 31.00 0.02 15.3 54.3 197 4
JCPZ SHZ PN 08 2015Apr 8 623 58.39 P D1 41.2 -0.00
CBS SHZ PN 07 2015Apr 8 623 57.64 P D0 34.7 -0.00
B058 EHZ PB -- 2015Apr 8 624 9.69 P U2 125.9 0.66
B054 EHZ PB -- 2015Apr 8 623 55.81 P U0 15.3 -0.00
HYPO2K Report:
YEAR MO DA --ORIGIN-- --LAT N- --LON W-- DEPTH RMS ERH ERZ XMAG1 FMAG1 PMAG
2015-04-08 0623 49.61 37 52.84 122W 1.87 34.70 0.00 2.22 1.39 3.46 3.46E
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 15.0 Emb 199 6 4 4 0 4 3 0.26 E W W
XMAG2-N.XMG2-XMMAD-T-S FMAG2-N.FMG2-FMMAD-T-S PREF.MAG-N.PMAG-PRMAD-T
3.46 3 0.26 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
B054 PB EHZ -- A 15.0 262 154 PU 55.81 6.20 6.20 0.00 0.00 1.23 W 0.999 0.00 29.0 2.67 E
CBS PN SHZ 07 A 35.0 101 131 PD 57.64 8.03 8.03 0.00 0.00 1.23 W 0.999 0.00 76.0 3.72 E
JCPZ PN SHZ 08 A 41.4 219 125 PD 1 58.39 8.78 8.78 0.00 0.00 0.92 W 1.000 0.00 56.0 3.46 E
B058 PB EHZ -- A126.5 161 54 PU 2 69.69 20.08 20.08 0.00 0.00 0.61 W 0.999 0.00 1.00 4