Errors from USGS Location and Magnitude:
EQPROC = 15.0km (9.3 mi)
HYPO2K = 18.0km (11.2mi)
Magnitude = 0.1
USGS Report:
Date Time Lat Lon Mag Depth Location
-----------------------------------------------------------------------------------
2026/02/05 23:59:53 37.753 -121.938 M2.7 7.4 5 km SE of San Ramon, CA
EQPROC Summary:
2909 2026Feb 5 2359 55.24 37.7392 -122.1076 10.86 0.00 15.7 60.6 152 4
RE9A7 EHZ AM 00 2026Feb 6 0 6.21 P ?2 61.0 0.00
B054 EHZ PB -- 2026Feb 5 2359 58.88 P U0 15.7 0.00
B058 EHZ PB -- 2026Feb 6 0 13.73 P ?2 114.3 0.00
B057 EHZ PB -- 2026Feb 6 0 4.72 P D2 51.6 0.00
HYPO2K Report:
YEAR MO DA --ORIGIN-- --LAT N- --LON W-- DEPTH-M RMS ERH ERZ XMAG1 FMAG1 PMAG GEOID-DEP
2026-02-05 2359 55.35 37 41.752 122W 7.817 3.44 0.13 1.51 12.66 2.64 2.64E 3.43
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 19.2 Emb 161 7 2 4 0 4 - 2 2.63 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
2.64 2 2.63 E 15 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 19.2 342 94 PU 58.88 3.53 3.61 0.00 -0.08 1.60 W 1.000 0.00 39.0 2.64 E
B057 PB EHZ -- A 53.1 314 91 PD 2 64.72 9.37 9.11 0.00 0.26 0.80 W 0.999 0.00 27.0 2.43 E
RE9A7AM EHZ 00 A 63.0 87 91 P 2 66.21 10.86 10.72 0.00 0.14 0.80 W 0.999 0.00 9.00 4 1.38XE
B058 PB EHZ -- A110.8 153 90 P 2 73.73 18.38 18.48 0.00 -0.10 0.80 W 0.999 0.00 1.00 4