Errors from USGS Location and Magnitude:
EQPROC = 2.8km (1.7 mi)
HYPO2K = 1.8km (1.1 mi)
Magnitude = -0.6
USGS Report:
Date Time Lat Lon Mag Depth Location
-----------------------------------------------------------------------------------
2012/10/20 09:29:40 37.377 -121.732 M2.1 8.8 8 km ( 5 mi) E of Alum Rock, CA
EQPROC Summary:
128 2012Oct20 929 39.70 37.3969 -121.7514 1.50 0.05 26.1 56.3 161 5
ADUB1 SHZ PN 01 2012Oct20 929 45.60 P ?3 26.2 0.46
COS SHZ PN 07 2012Oct20 929 46.74 P U0 35.5 0.00
JCPZ SHZ PN 08 2012Oct20 929 50.00 P U0 54.8 0.00
B057 EHZ PB -- 2012Oct20 929 57.45 P ?1 100.4 0.00
B054 EHZ PB -- 2012Oct20 929 52.46 P ?3 64.9 0.75
HYPO2K Report:
YEAR MO DA --ORIGIN-- --LAT N- --LON W-- DEPTH RMS ERH ERZ XMAG1 FMAG1 PMAG
2012-10-20 0929 40.51 37 23.47 121 44.68 1.49 0.13 1.91 13.41 2.67 2.67E
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 26.3 Emb 165 8 2 5 0 5 - 2 0.02 E W W
XMAG2-N.XMG2-XMMAD-T-S FMAG2-N.FMG2-FMMAD-T-S PREF.MAG-N.PMAG-PRMAD-T
2.67 2 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 26.3 233 35 P 3 45.60 5.09 4.77 0.00 0.32 0.38 W 0.740 0.00 1.00 4
COS PN SHZ 07 A 35.3 68 35 PU 46.74 6.23 6.24 0.00 -0.01 1.54 W 0.996 0.00 37.0 2.69 E
JCPZ PN SHZ 08 A 55.7 294 35 PU 50.00 9.49 9.55 0.00 -0.06 1.54 W 0.809 0.00 34.0 2.65 E
B054 PB EHZ -- A 65.7 323 35 P 3 52.46 11.95 11.19 0.00 0.76* 0.38 W 0.520 0.00 5.00 4 0.81XE
B057 PB EHZ -- A101.1 315 35 P 1 57.45 16.94 16.94 0.00 0.00 1.15 W 0.932 0.00 3.00 4 0.36XE