Errors from USGS Location and Magnitude:
EQPROC = 4.1km (2.6 mi)
HYPO2K = 8.7km (5.4 mi)
Magnitude = -0.4
USGS Report:
Date Time Lat Lon Mag Depth Location
-----------------------------------------------------------------------------------
2023/01/20 06:25:57 37.374 -122.219 M2.0 7.0 2km SE of Portola Valley, CA
EQPROC Summary:
2391 2023Jan20 625 57.82 37.3755 -122.2653 15.00 0.07 28.9 62.1 203 4
ADUB1 SHZ PN 01 2023Jan20 626 2.95 P D3 28.9 -0.79
B054 EHZ PB -- 2023Jan20 626 7.43 P D1 54.2 0.00
B057 EHZ PB -- 2023Jan20 626 10.78 P U2 77.1 0.00
B058 EHZ PB -- 2023Jan20 626 12.37 P U2 88.0 0.00
HYPO2K Report:
YEAR MO DA --ORIGIN-- --LAT N- --LON W-- DEPTH-M RMS ERH ERZ XMAG1 FMAG1 PMAG GEOID-DEP
2023-01-20 0625 57.41 37 20.565 122W18.730 8.60 0.04 1.75 7.37 2.36 2.36E 8.58
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 31.3 Emb 212 5 4 4 0 4 - 1 0.00 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
2.36 1 0.00 E 15 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
ADUB1PN SHZ 01 A 31.3 109 102 PD 3 62.95 5.54 5.67 0.00 -0.13 0.50 W 1.000 0.00 27.0 2.36 E
B054 PB EHZ -- A 58.3 9 96 PD 1 67.43 10.02 10.01 0.00 0.01 1.50 W 0.999 0.00 3.00 4 0.31XE
B057 PB EHZ -- A 79.2 344 94 PU 2 70.78 13.37 13.39 0.00 -0.02 1.00 W 1.000 0.00 1.00 4
B058 PB EHZ -- A 88.7 132 94 PU 2 72.37 14.96 14.93 0.00 0.03 1.00 W 0.999 0.00 1.00 4