Errors from USGS Location and Magnitude:
EQPROC = 7.3km (4.5 mi)
HYPO2K = 9.3km (5.8 mi)
Magnitude = 0.2
USGS Report:
Date Time Lat Lon Mag Depth Location
-----------------------------------------------------------------------------------
2021/01/06 07:43:43 37.983 -122.035 M2.7 16.0 2km NW of Concord, CA
EQPROC Summary:
2019 2021Jan 6 743 44.27 37.9813 -122.1177 12.61 0.00 15.3 54.4 198 6
RE9A7 EHZ AM 00 2021Jan 6 743 56.18 P ?1 68.6 -0.00
LCGPZ SHZ PN 01 2021Jan 6 743 59.87 S U0 54.9 -1.46
MTUMZ SHZ PN 01 2021Jan 6 743 59.90 P ?1 94.0 -0.01
MTUMZ SHZ PN 01 2021Jan 6 744 11.95 S U3 94.0 0.79
B054 EHZ PB -- 2021Jan 6 743 48.00 P U0 15.3 -0.00
B057 EHZ PB -- 2021Jan 6 743 51.85 P U0 39.9 -0.00
HYPO2K Report:
YEAR MO DA --ORIGIN-- --LAT N- --LON W-- DEPTH-M RMS ERH ERZ XMAG1 FMAG1 PMAG GEOID-DEP
2021-01-06 0743 44.54 37 56.991 122W 7.351 15.33 0.01 0.80 1.32 2.49 2.49E 15.30
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 12.0 Emb 189 5 2 4 0 4 3 1.24 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
2.49 3 1.24 E 37 4 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 12.0 215 140 PU 48.00 3.46 3.46 0.00 0.00 1.14 W 0.999 0.00 35.0 2.57 E
B057 PB EHZ -- A 39.9 283 109 PU 51.85 7.31 7.32 0.00 -0.01 1.14 W 1.000 0.00 25.0 2.41 E
RE9A7AM EHZ 00 A 67.4 112 101 P 1 56.18 11.64 11.64 0.00 0.00 0.86 W 0.999 0.00 77.0 2 3.53 E
MTUMZPN SHZ 01 A 90.6 167 98 P 1 59.90 15.36 15.37 0.00 -0.01 0.86 W 1.000 0.00 9.00 4 1.48XE