Errors from USGS Location and Magnitude:
EQPROC = 2.3km (1.4 mi)
HYPO2K = 1.8km (1.1 mi)
Magnitude = -0.5
USGS Report:
Date Time Lat Lon Mag Depth Location
-----------------------------------------------------------------------------------
2013/02/03 16:51:46 37.344 -121.712 M2.5 7.1 10 km ( 6 mi) ESE of Alum Rock, CA
EQPROC Summary:
228 2013Feb 3 1651 46.86 37.3635 -121.7040 7.75 0.06 27.6 59.5 181 6
ADUB1 SHZ PN 01 2013Feb 3 1651 52.24 P D0 27.6 -0.00
COS SHZ PN 07 2013Feb 3 1651 53.20 P U3 33.3 0.00
JCPZ SHZ PN 08 2013Feb 3 1651 57.12 P U3 60.1 -0.60
B057 EHZ PB -- 2013Feb 3 1652 4.68 P D2 105.9 0.05
B054 EHZ PB -- 2013Feb 3 1651 59.60 P D2 70.4 0.14
B058 EHZ PB -- 2013Feb 3 1651 57.79 P D0 63.6 -0.52
HYPO2K Report:
YEAR MO DA --ORIGIN-- --LAT N- --LON W-- DEPTH RMS ERH ERZ XMAG1 FMAG1 PMAG
2013-02-03 1651 46.85 37 21.63 121 42.34 14.56 0.03 0.76 1.34 2.98 2.98E
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 27.4 Emb 109 7 6 5 0 6 4 0.46 E W W
XMAG2-N.XMG2-XMMAD-T-S FMAG2-N.FMG2-FMMAD-T-S PREF.MAG-N.PMAG-PRMAD-T
2.98 4 0.46 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 27.4 243 115 PD 52.24 5.39 5.39 0.00 0.00 1.67 W 0.957 0.00 37.0 2.70 E
COS PN SHZ 07 A 33.6 60 111 PU 3 53.20 6.35 6.32 0.00 0.03 0.42 W 0.964 0.00 107 3.76 E
JCPZ PN SHZ 08 A 60.2 296 102 PU 3 57.12 10.27 10.47 0.00 -0.20 0.42 W 0.121 0.00 59.0 3.25 E
B058 PB EHZ -- A 63.2 169 101 PD 57.79 10.94 10.95 0.00 -0.01 1.67 W 0.988 0.00 23.0 2.35 E
B054 PB EHZ -- A 70.6 322 100 PD 2 59.60 12.75 12.12 0.00 0.63* 0.00 W 0.000 0.00 7.00 4 1.21XE
B057 PB EHZ -- A106.0 315 66 PD 2 64.68 17.83 17.81 0.00 0.02 0.83 W 0.967 0.00 3.00 4 0.43XE