Errors from USGS Location and Magnitude:
EQPROC = 1.2km (0.8 mi)
HYPO2K = 0.8km (0.5 mi)
Magnitude = -0.4
USGS Report:
Date Time Lat Lon Mag Depth Location
-----------------------------------------------------------------------------------
2013/02/19 06:32:39 37.374 -121.732 M1.9 6.7 8 km ( 5 mi) E of Alum Rock, CA
EQPROC Summary:
241 2013Feb19 632 39.92 37.3695 -121.7194 7.34 0.00 26.7 57.5 109 4
ADUB1 SHZ PN 01 2013Feb19 632 45.15 P ?0 26.7 0.00
COS SHZ PN 07 2013Feb19 632 46.40 P U0 34.2 0.00
B057 EHZ PB -- 2013Feb19 632 57.54 P ?2 104.5 0.00
B058 EHZ PB -- 2013Feb19 632 51.52 P ?2 64.5 0.00
HYPO2K Report:
YEAR MO DA --ORIGIN-- --LAT N- --LON W-- DEPTH RMS ERH ERZ XMAG1 FMAG1 PMAG
2013-02-19 0632 40.31 37 22.85 121 43.75 5.23 0.01 0.68 6.36 2.33 2.33E
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 26.7 Emb 110 5 1 4 0 4 - 2 0.24 E W W
XMAG2-N.XMG2-XMMAD-T-S FMAG2-N.FMG2-FMMAD-T-S PREF.MAG-N.PMAG-PRMAD-T
2.33 2 0.24 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 26.7 237 97 P 45.15 4.84 4.84 0.00 0.00 1.33 W 1.000 0.00 21.0 2.09 E
COS PN SHZ 07 A 34.5 65 95 PU 46.40 6.09 6.10 0.00 -0.01 1.33 W 1.000 0.00 33.0 2.57 E
B058 PB EHZ -- A 65.8 168 92 P 2 51.52 11.21 11.18 0.00 0.03 0.67 W 1.000 0.00 1.00 4
B057 PB EHZ -- A102.9 315 91 P 2 57.54 17.23 17.21 0.00 0.02 0.67 W 1.000 0.00 1.00 4