Errors from USGS Location and Magnitude:
EQPROC = 8.8km (5.5 mi)
HYPO2K = 8.3km (5.1 mi)
Magnitude = 0.2
USGS Report:
Date Time Lat Lon Mag Depth Location
-----------------------------------------------------------------------------------
2023/10/04 07:13:31 37.857 -122.237 M2.6 10.3 4 km N of Piedmont, CA
EQPROC Summary:
2548 2023Oct 4 713 30.98 37.7956 -122.3008 6.00 0.18 11.5 63.1 168 4
RE9A7 EHZ AM 00 2023Oct 4 713 45.30 P D0 78.5 0.38
B054 EHZ PB -- 2023Oct 4 713 33.38 P U0 11.5 -0.25
B057 EHZ PB -- 2023Oct 4 713 37.53 P U0 34.8 -0.00
B058 EHZ PB -- 2023Oct 4 713 51.61 P D2 127.6 -0.10
HYPO2K Report:
YEAR MO DA --ORIGIN-- --LAT N- --LON W-- DEPTH-M RMS ERH ERZ XMAG1 FMAG1 PMAG GEOID-DEP
2023-10-04 0713 31.54 37 48.607 122W18.221 2.78 0.52 4.25 37.09 2.42 2.42E 2.76
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 10.7 Emb 167 13 4 4 0 4 - 3 1.21 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
2.42 3 1.21 E 15 3 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 10.7 58 95 PU 33.38 1.84 2.22 0.00 -0.38 1.14 W 0.999 0.00 37.0 2.54 E
B057 PB EHZ -- A 33.3 317 91 PU 37.53 5.99 5.89 0.00 0.10 1.14 W 1.000 0.00 25.0 2.30 E
RE9A7AM EHZ 00 A 78.9 97 90 PD 45.30 13.76 13.29 0.00 0.47 1.14 W 1.000 0.00 66.0 1 3.32 E
B058 PB EHZ -- A129.2 150 90 PD 2 51.61 20.07 21.47 0.00 -1.40* 0.57 W 1.000 0.00 1.00 4