Errors from USGS Location and Magnitude:
EQPROC = 0.8km (0.5 mi)
HYPO2K = 0.6km (0.4 mi)
Magnitude = -0.6
USGS Report:
Date Time Lat Lon Mag Depth Location
-----------------------------------------------------------------------------------
2013/01/16 05:39:31 37.841 -121.792 M2.0 15.2 11 km ( 7 mi) ENE of Blackhawk, CA
EQPROC Summary:
207 2013Jan16 539 31.65 37.8348 -121.7880 13.77 0.00 36.4 53.6 207 4
COS SHZ PN 07 2013Jan16 539 40.97 P D3 51.5 -0.00
JCPZ SHZ PN 08 2013Jan16 539 41.43 P U3 54.6 -0.00
B054 EHZ PB -- 2013Jan16 539 38.73 P U1 36.4 -0.00
B057 EHZ PB -- 2013Jan16 539 43.95 P U1 71.9 -0.00
HYPO2K Report:
YEAR MO DA --ORIGIN-- --LAT N- --LON W-- DEPTH RMS ERH ERZ XMAG1 FMAG1 PMAG
2013-01-16 0539 31.61 37 50.23 121 47.27 20.72 0.01 1.67 2.22 2.61 2.61E
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 36.3 Emb 206 7 4 4 0 4 3 0.29 E W W
XMAG2-N.XMG2-XMMAD-T-S FMAG2-N.FMG2-FMMAD-T-S PREF.MAG-N.PMAG-PRMAD-T
2.61 3 0.29 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 36.3 275 107 PU 1 38.73 7.12 7.12 0.00 0.00 1.50 W 0.999 0.00 13.0 1.83 E
COS PN SHZ 07 A 51.6 134 94 PD 3 40.97 9.36 9.36 0.00 0.00 0.50 W 0.999 0.00 38.0 2.90 E
JCPZ PN SHZ 08 A 54.7 240 93 PU 3 41.43 9.82 9.82 0.00 0.00 0.50 W 1.000 0.00 28.0 2.61 E
B057 PB EHZ -- A 71.6 288 91 PU 1 43.95 12.34 12.33 0.00 0.01 1.50 W 0.999 0.00 1.00 4