Errors from USGS Location and Magnitude:
EQPROC = 4.7km (3.0 mi)
HYPO2K = 3.4km (2.1 mi)
Magnitude = -0.1
USGS Report:
Date Time Lat Lon Mag Depth Location
-----------------------------------------------------------------------------------
2023/01/22 16:59:50 37.380 -122.227 M2.4 6.8 1km ESE of Portola Valley, CA
EQPROC Summary:
2396 2023Jan22 1659 50.79 37.3786 -122.2806 4.91 0.13 13.6 52.7 205 5
LCGPZ SHZ PN 01 2023Jan22 1659 53.72 P ?0 13.6 -0.04
ADUB1 SHZ PN 01 2023Jan22 1659 56.57 P ?1 30.3 0.00
B058 EHZ PB -- 2023Jan22 1700 6.14 P ?2 89.2 -0.24
B057 EHZ PB -- 2023Jan22 1700 4.41 P D1 76.3 0.03
B054 EHZ PB -- 2023Jan22 1700 1.00 P ?1 54.0 0.41
HYPO2K Report:
YEAR MO DA --ORIGIN-- --LAT N- --LON W-- DEPTH-M RMS ERH ERZ XMAG1 FMAG1 PMAG GEOID-DEP
2023-01-22 1659 51.45 37 22.976 122W15.047 2.43 0.25 4.37 20.26 2.54 2.54E 2.42
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 12.7 Emb 202 5 1 5 0 5 - 4 2.54 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
2.54 4 2.54 E 12 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
LCGPZPN SHZ 01 A 12.7 3 92 P 53.72 2.27 2.53 0.00 -0.26 1.33 W 0.971 0.00 33.0 2.44 E
ADUB1PN SHZ 01 A 28.3 122 90 P 1 56.57 5.12 5.08 0.00 0.04 1.00 W 0.694 0.00 37.0 2.64 E
B054 PB EHZ -- A 53.2 4 90 P 1 61.00 9.55 9.11 0.00 0.44 1.00 W 0.983 0.00 27.0 2.43 E
B057 PB EHZ -- A 76.7 339 90 PD 1 64.41 12.96 12.94 0.00 0.02 1.00 W 0.910 0.00 19.0 1 2.11 E
B058 PB EHZ -- A 88.0 137 90 P 2 66.14 14.69 14.77 0.00 -0.08 0.67 W 0.439 0.00 1.00 4