Errors from USGS Location and Magnitude:
EQPROC = 3.1km (1.9 mi)
HYPO2K = 2.1km (1.3 mi)
Magnitude = -0.3
USGS Report:
Date Time Lat Lon Mag Depth Location
-----------------------------------------------------------------------------------
2012/08/01 09:57:36 37.859 -121.770 M2.2 19.2 10 km ( 6 mi) SSW of Brentwood, CA
EQPROC Summary:
88 2012Aug 1 957 37.09 37.8857 -121.7606 14.89 0.11 38.8 59.8 218 5
COS SHZ PN 07 2012Aug 1 957 46.69 P U3 54.0 0.00
JCPZ SHZ PN 08 2012Aug 1 957 47.07 P ?3 59.6 -0.44
ADUB1 SHZ PN 01 2012Aug 1 957 49.75 P ?3 73.5 0.22
B054 EHZ PB -- 2012Aug 1 957 44.47 P U3 38.8 0.00
B057 EHZ PB -- 2012Aug 1 957 49.42 P D2 72.7 0.00
HYPO2K Report:
YEAR MO DA --ORIGIN-- --LAT N- --LON W-- DEPTH RMS ERH ERZ XMAG1 FMAG1 PMAG
2012-08-01 0957 37.05 37 52.64 121 46.53 18.77 0.15 1.97 1.36 2.54 2.54E
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 37.4 Emb 215 18 3 5 0 5 2 0.47 E W W
XMAG2-N.XMG2-XMMAD-T-S FMAG2-N.FMG2-FMMAD-T-S PREF.MAG-N.PMAG-PRMAD-T
2.54 2 0.47 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
B054 PB EHZ -- A 37.4 268 115 PU 3 44.47 7.42 7.15 0.00 0.27 0.83 W 0.592 0.00 17.0 2.07 E
COS PN SHZ 07 A 54.1 139 107 PU 3 46.69 9.64 9.69 0.00 -0.05 0.83 W 0.984 0.00 43.0 3.00 E
JCPZ PN SHZ 08 A 58.0 237 106 P 3 47.07 10.02 10.29 0.00 -0.27 0.83 W 0.591 0.00 7.00 4 1.25XE
B057 PB EHZ -- A 71.4 284 66 PD 2 49.42 12.37 12.38 0.00 -0.01 1.67 W 0.982 0.00 3.00 4 0.45XE
ADUB1PN SHZ 01 A 72.2 195 66 P 3 49.75 12.70 12.51 0.00 0.19 0.83 W 0.848 0.00 1.00 4