Errors from USGS Location and Magnitude:
EQPROC = 4.6km (2.9 mi)
HYPO2K = 24.1km (15.0mi)
Magnitude = 0.1
USGS Report:
Date Time Lat Lon Mag Depth Location
-----------------------------------------------------------------------------------
2017/09/21 00:07:39 37.977 -122.044 M2.7 16.2 1km W of Concord, California
EQPROC Summary:
1379 2017Sep21 7 39.83 38.0125 -122.0708 10.50 0.13 20.4 67.7 184 7
JCPZ SHZ PN 08 2017Sep21 7 49.44 P ?3 52.1 0.04
TASRZ SHZ PN 01 2017Sep21 7 55.65 P ?2 77.2 2.47
ADUB1 SHZ PN 01 2017Sep21 7 54.55 P D3 85.4 0.16
CMP SHZ PN 07 2017Sep21 7 56.33 P ?3 98.5 0.03
MTUMZ SHZ PN 01 2017Sep21 7 56.05 P ?0 96.7 0.02
B054 EHZ PB -- 2017Sep21 7 44.13 P U0 20.4 -0.03
B057 EHZ PB -- 2017Sep21 7 47.98 P U0 43.7 -0.00
HYPO2K Report:
YEAR MO DA --ORIGIN-- --LAT N- --LON W-- DEPTH-M RMS ERH ERZ XMAG1 FMAG1 PMAG GEOID-DEP
2017-09-21 0007 41.93 37 50.86 122W15.76 10.37 0.00 1.94 2.01 2.61 2.61E 10.36
SOURCE
NSTA NPHS DMIN MODEL GAP ITR NFM NWR NWS NVR REMRKS-AVH N.XMG-XMMAD-T N.FMG-FMMAD-T L F X
7 7 5.7 Emb 150 10 3 4 0 7 5 0.27 E W W
XMAG2-N.XMG2-XMMAD-T-S FMAG2-N.FMG2-FMMAD-T-S PREF.MAG-N.PMAG-PRMAD-T DEPDAT NS ZT TYP
2.61 5 0.27 E 13 5 M CRH
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 5.7 76 148 PU 44.13 2.20 2.20 0.00 0.00 1.14 W 0.999 0.00 31.0 2.34 E
JCPZ PN SHZ 08 A 29.3 191 106 P 3 49.44 7.51 5.43 0.00 2.08* 0.00 W 0.000 0.00 63.0 1 3.17 E
B057 PB EHZ -- A 33.3 307 104 PU 47.98 6.05 6.05 0.00 0.00 1.14 W 0.999 0.00 27.0 2.38 E
ADUB1PN SHZ 01 A 71.2 159 96 PD 3 54.55 12.62 12.12 0.00 0.50 0.00 W 0.000 0.00 33.0 2.64 E
TASRZPN SHZ 01 A 81.1 332 96 P 2 55.65 13.72 13.72 0.00 0.00 0.57 W 1.000 0.00 1.00 4
MTUMZPN SHZ 01 A 83.6 157 95 P 56.05 14.12 14.12 0.00 0.00 1.14 W 0.999 0.00 9.00 4 1.41XE
CMP PN SHZ 07 A 99.6 122 94 P 3 56.33 14.40 16.71 0.00 -2.31* 0.00 W 0.000 0.00 43.0 2.93 E