Errors from USGS Location and Magnitude:
EQPROC = 11.0km (6.8 mi)
HYPO2K = 10.4km (6.5 mi)
Magnitude = 0.1
USGS Report:
Date Time Lat Lon Mag Depth Location
-----------------------------------------------------------------------------------
2026/01/11 06:43:52 37.772 -121.938 M2.4 7.1 4 km ESE of San Ramon, CA
EQPROC Summary:
2884 2026Jan11 643 53.02 37.8692 -121.9123 5.74 0.00 25.4 69.4 239 4
ADUB1 SHZ PN 01 2026Jan11 644 5.42 P U3 69.4 -0.00
B054 EHZ PB -- 2026Jan11 643 57.98 P U1 25.4 -0.00
B058 EHZ PB -- 2026Jan11 644 13.11 P ?2 122.4 -0.00
B057 EHZ PB -- 2026Jan11 644 3.88 P D2 60.3 -0.00
HYPO2K Report:
YEAR MO DA --ORIGIN-- --LAT N- --LON W-- DEPTH-M RMS ERH ERZ XMAG1 FMAG1 PMAG GEOID-DEP
2026-01-11 0643 53.13 37 51.489 121W53.460 5.83 0.20 5.18 16.09 2.26 2.26E 5.81
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 27.1 Emb 238 9 3 4 0 4 - 2 2.25 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
2.26 2 2.25 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 27.1 271 98 PU 1 57.98 4.85 4.93 0.00 -0.08 1.50 W 1.000 0.00 25.0 2.26 E
B057 PB EHZ -- A 62.2 288 93 PD 2 63.88 10.75 10.60 0.00 0.15 1.00 W 1.000 0.00 7.00 4 1.13XE
ADUB1PN SHZ 01 A 68.2 187 93 PU 3 65.42 12.29 11.58 0.00 0.71* 0.50 W 1.000 0.00 26.0 1 2.41 E
B058 PB EHZ -- A120.7 166 91 P 2 73.11 19.98 20.11 0.00 -0.13 1.00 W 1.000 0.00 1.00 4