Errors from USGS Location and Magnitude:
EQPROC = 2.7km (1.6 mi)
HYPO2K = 1.2km (0.8 mi)
Magnitude = -0.6
USGS Report:
Date Time Lat Lon Mag Depth Location
-----------------------------------------------------------------------------------
2012/12/25 00:19:30 37.348 -121.712 M2.2 8.1 10 km ( 6 mi) ESE of Alum Rock, CA
EQPROC Summary:
189 2012Dec25 19 30.03 37.3719 -121.7126 14.37 0.04 27.4 50.8 107 6
ADUB1 SHZ PN 01 2012Dec25 19 35.70 P D0 27.4 -0.00
COS SHZ PN 07 2012Dec25 19 36.67 P D1 33.5 -0.00
JCPZ SHZ PN 08 2012Dec25 19 40.40 P ?3 59.0 -0.00
B058 EHZ PB -- 2012Dec25 19 41.22 P D2 64.7 -0.00
B054 EHZ PB -- 2012Dec25 19 42.96 P U3 69.2 1.07
B057 EHZ PB -- 2012Dec25 19 47.97 PgU1 104.7 0.89
HYPO2K Report:
YEAR MO DA --ORIGIN-- --LAT N- --LON W-- DEPTH RMS ERH ERZ XMAG1 FMAG1 PMAG
2012-12-25 0019 30.24 37 21.54 121 42.43 15.92 0.00 0.69 1.14 2.82 2.82E
SOURCE
NSTA NPHS DMIN MODEL GAP ITR NFM NWR NWS NVR REMRKS-AVH N.XMG-XMMAD-T N.FMG-FMMAD-T L F X
6 6 27.2 Emb 109 6 5 4 0 6 3 0.02 E W W
XMAG2-N.XMG2-XMMAD-T-S FMAG2-N.FMG2-FMMAD-T-S PREF.MAG-N.PMAG-PRMAD-T
2.82 3 0.02 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
ADUB1PN SHZ 01 A 27.2 243 118 PD 35.70 5.46 5.46 0.00 0.00 1.33 W 0.999 0.00 41.0 2.82 E
COS PN SHZ 07 A 33.8 60 113 PD 1 36.67 6.43 6.43 0.00 0.00 1.00 W 1.000 0.00 40.0 2.84 E
JCPZ PN SHZ 08 A 60.2 296 103 P 3 40.40 10.16 10.51 0.00 -0.35 0.00 W 0.000 0.00 35.0 2.77 E
B058 PB EHZ -- A 63.1 169 102 PD 2 41.22 10.98 10.98 0.00 0.00 0.67 W 0.999 0.00 5.00 4 0.89XE
B054 PB EHZ -- A 70.6 323 101 PU 3 42.96 12.72 12.17 0.00 0.55* 0.00 W 0.000 0.00 7.00 4 1.23XE
B057 PB EHZ -- A106.0 315 66 PU 1 47.97 17.73 17.73 0.00 0.00 1.00 W 0.999 0.00 3.00 4 0.45XE