Errors from USGS Location and Magnitude:
EQPROC = 14.3km (8.9 mi)
HYPO2K = 9.6km (6.0 mi)
Magnitude = 0.5
USGS Report:
Date Time Lat Lon Mag Depth Location
-----------------------------------------------------------------------------------
2026/02/10 12:18:58 37.757 -121.943 M2.6 7.7 4 km SE of San Ramon, CA
EQPROC Summary:
2910 2026Feb10 1218 56.98 37.8493 -121.8292 1.00 0.02 32.7 68.1 242 4
GLFBZ SHZ PN 01 2026Feb10 1219 7.10 P D3 53.2 0.00
B054 EHZ PB -- 2026Feb10 1219 3.63 P U0 32.7 0.00
B057 EHZ PB -- 2026Feb10 1219 9.60 P ?2 67.9 0.00
B058 EHZ PB -- 2026Feb10 1219 17.94 P ?3 118.7 0.55
HYPO2K Report:
YEAR MO DA --ORIGIN-- --LAT N- --LON W-- DEPTH-M RMS ERH ERZ XMAG1 FMAG1 PMAG GEOID-DEP
2026-02-10 1218 58.39 37 49.532 121W52.685 0.97 0.06 2.86 9.42 2.10 2.10E 0.95
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 28.6 Emb 235 5 2 4 0 4 - 3 1.04 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
2.10 3 1.04 E 14 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 28.6 278 27 PU 63.63 5.24 5.27 0.00 -0.03 2.00 W 1.000 0.00 31.0 2.47 E
GLFBZPN SHZ 01 A 48.7 210 27 PD 3 67.10 8.71 8.54 0.00 0.17 0.50 W 1.000 0.00 13.0 1.72 E
B057 PB EHZ -- A 64.5 291 27 P 2 69.60 11.21 11.11 0.00 0.10 1.00 W 1.000 0.00 21.0 2.20 E
B058 PB EHZ -- A116.9 166 27 P 3 77.94 19.55 19.63 0.00 -0.08 0.50 W 1.000 0.00 1.00 4