Errors from USGS Location and Magnitude:
EQPROC = 18.2km (11.3mi)
HYPO2K = 8.5km (5.3 mi)
Magnitude = 0.1
USGS Report:
Date Time Lat Lon Mag Depth Location
-----------------------------------------------------------------------------------
2020/10/04 04:44:12 37.965 -122.022 M2.6 13.6 1km WSW of Concord, CA
EQPROC Summary:
1974 2020Oct 4 444 12.33 38.0229 -122.2158 2.10 0.28 18.1 68.0 256 6
JCPZ SHZ PN 01 2020Oct 4 444 21.57 P U0 49.2 -0.00
GLFBZ SHZ PN 01 2020Oct 4 444 24.16 P ?1 64.5 -0.00
ADUB1 SHZ PN 01 2020Oct 4 444 27.22 P U0 88.7 -1.03
ATZ SHZ PN 01 2020Oct 4 444 32.59 P U1 119.4 -0.00
B054 EHZ PB -- 2020Oct 4 444 16.78 P U0 18.1 0.48
B057 EHZ PB -- 2020Oct 4 444 20.95 S U0 30.9 -1.93
HYPO2K Report:
YEAR MO DA --ORIGIN-- --LAT N- --LON W-- DEPTH-M RMS ERH ERZ XMAG1 FMAG1 PMAG GEOID-DEP
2020-10-04 0444 12.90 38 1.277 122W 5.830 2.09 0.24 19.30 21.47 2.55 2.55E 2.08
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 20.0 Emb 324 6 4 5 0 5 - 4 2.55 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
2.55 4 2.55 E 12 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 20.0 207 90 PU 16.78 3.88 3.72 0.00 0.16 1.11 W 0.830 0.00 35.0 2.54 E
JCPZ PN SHZ 01 A 52.0 203 90 PU 21.57 8.67 8.93 0.00 -0.26 1.11 W 0.703 0.00 31.0 2.56 E
GLFBZPN SHZ 01 A 64.2 185 90 P 1 24.16 11.26 10.90 0.00 0.36 0.83 W 0.969 0.00 17.0 1.99 E
ADUB1PN SHZ 01 A 86.5 173 90 PU 27.22 14.32 14.54 0.00 -0.22 1.11 W 0.818 0.00 35.0 1 2.71 E
ATZ PN SHZ 01 A117.1 171 90 PU 1 32.59 19.69 19.51 0.00 0.18 0.83 W 0.678 0.00 9.00 4 1.44XE