Errors from USGS Location and Magnitude:
EQPROC = 6.1km (3.8 mi)
HYPO2K = 15.7km (9.8 mi)
Magnitude = -0.5
USGS Report:
Date Time Lat Lon Mag Depth Location
-----------------------------------------------------------------------------------
2015/12/19 08:34:52 37.777 -121.966 M3.1 9.2 1km ESE of San Ramon, California
EQPROC Summary:
952 2015Dec19 834 53.03 37.8254 -121.9981 21.75 0.15 18.2 61.0 219 8
JCPZ SHZ PN 08 2015Dec19 835 0.42 P D3 39.0 -0.17
LCGPZ SHZ PN 01 2015Dec19 835 0.67 P ?3 42.3 -0.39
CML SHZ PN 07 2015Dec19 835 1.72 P U3 49.2 -0.31
ADUB1 SHZ PN 01 2015Dec19 835 4.46 P D0 64.3 0.28
ATZ SHZ PN 01 2015Dec19 835 7.90 P U0 94.5 -0.16
B054 EHZ PB -- 2015Dec19 834 57.95 P U0 18.2 0.00
B073 EHZ PB -- 2015Dec19 835 31.15 PgD3 248.4 0.14
B058 EHZ PB -- 2015Dec19 835 12.49 PgU2 119.8 0.23
HYPO2K Report:
YEAR MO DA --ORIGIN-- --LAT N- --LON W-- DEPTH RMS ERH ERZ XMAG1 FMAG1 PMAG
2015-12-19 0834 51.08 37 54.60 122W 1.71 39.16 0.11 10.58 5.24 3.56 3.56E
SOURCE
NSTA NPHS DMIN MODEL GAP ITR NFM NWR NWS NVR REMRKS-AVH N.XMG-XMMAD-T N.FMG-FMMAD-T L F X
8 8 16.0 Emb 283 13 7 4 0 8 - 5 0.38 E W W
XMAG2-N.XMG2-XMMAD-T-S FMAG2-N.FMG2-FMMAD-T-S PREF.MAG-N.PMAG-PRMAD-T
3.56 5 0.38 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 16.0 250 156 PU 57.95 6.87 6.87 0.00 0.00 1.23 W 0.999 0.00 47.0 3.21 E
JCPZ PN SHZ 08 A 44.2 217 128 PD 3 60.42 9.34 9.50 0.00 -0.16 0.31 W 0.999 0.00 21.0 4 2.58XE
LCGPZPN SHZ 01 A 49.5 203 124 P 3 60.67 9.59 10.15 0.00 -0.56* 0.00 W 0.000 0.00 27.0 2.83 E
CML PN SHZ 07 A 58.3 145 119 PU 3 61.72 10.64 11.26 0.00 -0.62* 0.00 W 0.000 0.00 85.0 3.95 E
ADUB1PN SHZ 01 A 73.7 176 54 PD 64.46 13.38 13.24 0.00 0.14 1.23 W 0.999 0.00 63.0 3.67 E
ATZ PN SHZ 01 A104.1 173 54 PU 67.90 16.82 16.95 0.00 -0.13 1.23 W 0.999 0.00 113 2 4.27 E
B058 PB EHZ -- A129.5 162 54 PU 2 72.49 21.41 20.06 0.00 1.35* 0.00 W 0.000 0.00 1.00 4
B073 PB EHZ -- A258.3 147 54 PD 3 91.15 40.07 35.81 0.00 4.26* 0.00 W 0.000 0.00 1.00 4