Errors from USGS Location and Magnitude:
EQPROC = 15.4km (9.6 mi)
HYPO2K = 8.8km (5.5 mi)
Magnitude = -0.0
USGS Report:
Date Time Lat Lon Mag Depth Location
-----------------------------------------------------------------------------------
2026/02/03 01:24:35 37.748 -121.942 M2.6 8.2 5 km SE of San Ramon, CA
EQPROC Summary:
2904 2026Feb 3 124 35.18 37.8741 -121.8684 1.50 0.05 29.3 71.4 243 4
ADUB1 SHZ PN 01 2026Feb 3 124 46.95 P U3 70.3 -1.16
B054 EHZ PB -- 2026Feb 3 124 41.15 P U0 29.3 -0.00
B057 EHZ PB -- 2026Feb 3 124 47.01 P D1 63.8 -0.00
B058 EHZ PB -- 2026Feb 3 124 55.91 P ?2 122.1 -0.00
HYPO2K Report:
YEAR MO DA --ORIGIN-- --LAT N- --LON W-- DEPTH-M RMS ERH ERZ XMAG1 FMAG1 PMAG GEOID-DEP
2026-02-03 0124 36.37 37 49.323 121W54.283 1.49 0.07 3.44 9.70 2.65 2.65E 1.47
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 26.3 Emb 233 7 3 4 0 4 - 3 1.32 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
2.65 3 1.32 E 17 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 26.3 280 35 PU 41.15 4.78 4.78 0.00 -0.00 1.60 W 0.999 0.00 31.0 2.46 E
B057 PB EHZ -- A 62.4 292 35 PD 1 47.01 10.64 10.65 0.00 -0.01 1.20 W 1.000 0.00 25.0 2.36 E
ADUB1PN SHZ 01 A 64.1 186 35 PU 3 46.95 10.58 10.94 0.00 -0.36 0.40 W 1.000 0.00 41.0 2.84 E
B058 PB EHZ -- A117.1 165 35 P 2 55.91 19.54 19.54 0.00 0.00 0.80 W 0.999 0.00 1.00 4