Errors from USGS Location and Magnitude:
EQPROC = 6.0km (3.7 mi)
HYPO2K = 2.3km (1.4 mi)
Magnitude = -0.4
USGS Report:
Date Time Lat Lon Mag Depth Location
-----------------------------------------------------------------------------------
2012/07/23 15:48:32 37.429 -121.773 M2.7 10.2 8 km ( 5 mi) NE of Alum Rock, CA
EQPROC Summary:
81 2012Jul23 1548 31.84 37.3752 -121.7798 21.50 0.30 22.7 45.1 164 4
ADUB1 SHZ PN 01 2012Jul23 1548 38.09 P U1 22.7 0.84
COS SHZ PN 07 2012Jul23 1548 39.36 P U0 38.7 0.00
JCPZ SHZ PN 08 2012Jul23 1548 41.41 P U0 53.5 -0.04
B054 EHZ PB -- 2012Jul23 1548 43.45 P D0 65.4 0.29
HYPO2K Report:
YEAR MO DA --ORIGIN-- --LAT N- --LON W-- DEPTH RMS ERH ERZ XMAG1 FMAG1 PMAG
2012-07-23 1548 32.17 37 24.48 121 46.36 21.64 0.22 5.69 16.53 3.09 3.09E
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 25.6 Emb 154 5 4 4 0 4 - 4 0.45 E W W
XMAG2-N.XMG2-XMMAD-T-S FMAG2-N.FMG2-FMMAD-T-S PREF.MAG-N.PMAG-PRMAD-T
3.09 4 0.45 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 25.6 226 122 PU 1 38.09 5.92 5.73 0.00 0.19 0.80 W 1.000 0.00 19.0 2.15 E
COS PN SHZ 07 A 37.0 72 109 PU 39.36 7.19 7.25 0.00 -0.06 1.07 W 0.999 0.00 68.0 3.45 E
JCPZ PN SHZ 08 A 52.6 293 97 PU 41.41 9.24 9.53 0.00 -0.29 1.07 W 0.999 0.00 79.0 3.62 E
B054 PB EHZ -- A 62.7 324 94 PD 43.45 11.28 11.03 0.00 0.25 1.07 W 0.999 0.00 31.0 2.73 E