Errors from USGS Location and Magnitude:
EQPROC = 2.6km (1.6 mi)
HYPO2K = 1.1km (0.7 mi)
Magnitude = -0.0
USGS Report:
Date Time Lat Lon Mag Depth Location
-----------------------------------------------------------------------------------
2017/12/27 07:21:11 37.356 -121.718 M2.0 8.1 10km E of Alum Rock, CA
EQPROC Summary:
1475 2017Dec27 721 11.91 37.3426 -121.6937 11.09 0.02 27.4 51.5 132 5
MTUMZ SHZ PN 01 2017Dec27 721 17.44 P U0 27.7 0.00
ADUB1 SHZ PN 01 2017Dec27 721 17.40 P ?0 27.4 0.01
CMP SHZ PN 07 2017Dec27 721 18.34 P U0 33.2 0.00
B058 EHZ PB -- 2017Dec27 721 23.47 P ?3 61.2 0.59
B057 EHZ PB -- 2017Dec27 721 29.60 P D2 108.2 0.00
HYPO2K Report:
YEAR MO DA --ORIGIN-- --LAT N- --LON W-- DEPTH-M RMS ERH ERZ XMAG1 FMAG1 PMAG GEOID-DEP
2017-12-27 0721 11.98 37 21.96 121W42.36 13.11 0.08 1.32 7.56 2.04 2.04E 13.06
SOURCE
NSTA NPHS DMIN MODEL GAP ITR NFM NWR NWS NVR REMRKS-AVH N.XMG-XMMAD-T N.FMG-FMMAD-T L F X
5 5 27.6 Emb 136 5 3 4 0 5 - 3 0.36 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
2.04 3 0.36 E 50 4 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
ADUB1PN SHZ 01 A 27.6 242 113 P 17.40 5.42 5.33 0.00 0.09 1.14 W 0.999 0.00 19.0 2.04 E
MTUMZPN SHZ 01 A 29.1 216 111 PU 17.44 5.46 5.55 0.00 -0.09 1.14 W 0.999 0.00 13.0 1.68 E
CMP PN SHZ 07 A 34.4 91 108 PU 18.34 6.36 6.35 0.00 0.01 1.14 W 1.000 0.00 32.0 2.58 E
B058 PB EHZ -- A 63.8 169 100 P 3 23.47 11.49 11.00 0.00 0.49 0.00 W 0.000 0.00 1.00 4
B057 PB EHZ -- A105.5 315 96 PD 2 29.60 17.62 17.72 0.00 -0.10 0.57 W 1.000 0.00 1.00 4