Errors from USGS Location and Magnitude:
EQPROC = 44.0km (27.3mi)
HYPO2K = 31.9km (19.8mi)
Magnitude = 0.0
USGS Report:
Date Time Lat Lon Mag Depth Location
-----------------------------------------------------------------------------------
2026/09/03 17:33:27 38.498 -122.718 M3.5 7.4 3 km ESE of Larkfield-Wikiup, CA
EQPROC Summary:
3010 2026Sep 3 1733 33.84 38.1195 -122.5684 12.30 0.01 10.2127.7 313 5
B057 EHZ PB -- 2026Sep 3 1733 36.89 P U0 10.2 -0.00
B054 EHZ PB -- 2026Sep 3 1733 42.01 P D0 43.5 -0.00
ADUB1 SHZ PN 01 2026Sep 3 1733 51.61 P D2 109.9 -0.00
B058 EHZ PB -- 2026Sep 3 1733 58.25 PnU2 170.6 -1.09
B073 EHZ PB -- 2026Sep 3 1734 16.57 P U2 304.2 0.21
HYPO2K Report:
YEAR MO DA --ORIGIN-- --LAT N- --LON W-- DEPTH-M RMS ERH ERZ XMAG1 FMAG1 PMAG GEOID-DEP
2026-09-03 1733 29.15 38 14.787 122W53.216 28.52 0.49 40.19 3.06 3.45 3.45E 28.50
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 37.2 Emb 342 16 5 5 0 5 - 3 1.72 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
3.45 3 1.72 E 21 2 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
B057 PB EHZ -- A 37.2 130 121 PU 36.89 7.74 7.74 0.00 0.00 1.43 W 0.999 0.00 61.0 3.44 E
B054 PB EHZ -- A 74.0 125 103 PD 42.01 12.86 12.86 0.00 -0.00 1.43 W 0.999 0.00 59.0 3.46 E
ADUB1PN SHZ 01 A136.7 143 54 PD 2 51.61 22.46 21.86 0.00 0.60* 0.71 W 0.500 0.00 85.0 3.88 E
B058 PB EHZ -- A197.8 143 54 PU 2 58.25 29.10 29.33 0.00 -0.23 0.71 W 0.499 0.00 1.00 4
B073 PB EHZ -- A333.6 139 54 PU 2 76.57 47.42 45.93 0.00 1.49* 0.71 W 0.999 0.00 1.00 4