Errors from USGS Location and Magnitude:
EQPROC = 6.3km (3.9 mi)
HYPO2K = 4.3km (2.7 mi)
Magnitude = -0.3
USGS Report:
Date Time Lat Lon Mag Depth Location
-----------------------------------------------------------------------------------
2023/01/21 00:55:49 37.380 -122.225 M2.9 6.5 1km ESE of Portola Valley, CA
EQPROC Summary:
2393 2023Jan21 55 49.40 37.3677 -122.2940 5.50 0.03 15.1 53.5 207 5
LCGPZ SHZ PN 01 2023Jan21 55 52.63 P D0 15.1 -0.00
ADUB1 SHZ PN 01 2023Jan21 55 55.27 P D0 30.8 0.00
B054 EHZ PB -- 2023Jan21 55 59.61 P ?3 55.4 0.18
B057 EHZ PB -- 2023Jan21 56 3.12 P D3 77.1 0.01
B058 EHZ PB -- 2023Jan21 56 4.26 P ?3 89.2 -0.67
HYPO2K Report:
YEAR MO DA --ORIGIN-- --LAT N- --LON W-- DEPTH-M RMS ERH ERZ XMAG1 FMAG1 PMAG GEOID-DEP
2023-01-21 0055 49.91 37 22.379 122W16.659 2.65 0.13 3.70 12.94 3.17 3.17E 2.64
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 14.1 Emb 206 10 3 5 0 5 - 5 0.45 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
3.17 5 0.45 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 14.1 13 93 PD 52.63 2.72 2.77 0.00 -0.05 1.82 W 0.989 0.00 70.0 3.17 E
ADUB1PN SHZ 01 A 29.8 117 91 PD 55.27 5.36 5.32 0.00 0.04 1.82 W 0.942 0.00 101 3.62 E
B054 PB EHZ -- A 54.5 7 90 P 3 59.61 9.70 9.33 0.00 0.37 0.45 W 0.964 0.00 35.0 2.68 E
B057 PB EHZ -- A 76.9 341 90 PD 3 63.12 13.21 12.98 0.00 0.23 0.45 W 0.777 0.00 37.0 2.76 E
B058 PB EHZ -- A 88.8 135 90 P 3 64.26 14.35 14.91 0.00 -0.56* 0.45 W 0.325 0.00 33.0 2.66 E