Errors from USGS Location and Magnitude:
EQPROC = 4.2km (2.6 mi)
HYPO2K = 4.3km (2.7 mi)
Magnitude = 0.1
USGS Report:
Date Time Lat Lon Mag Depth Location
-----------------------------------------------------------------------------------
2025/11/18 06:47:34 37.759 -121.943 M3.3 9.0 4 km SE of San Ramon, CA
EQPROC Summary:
2832 2025Nov18 647 34.77 37.7650 -121.9903 2.13 0.07 37.1 64.3 156 6
GLFBZ SHZ PN 01 2025Nov18 647 42.10 P ?0 38.3 -0.06
LCGPZ SHZ PN 01 2025Nov18 647 42.18 P U1 37.1 0.23
RE9A7 EHZ AM 00 2025Nov18 647 44.30 P U0 50.9 0.00
ATZ SHZ PN 01 2025Nov18 647 50.55 P D3 87.8 0.00
B057 EHZ PB -- 2025Nov18 647 45.59 P U0 58.5 0.00
B058 EHZ PB -- 2025Nov18 647 54.24 P U2 113.2 0.00
HYPO2K Report:
YEAR MO DA --ORIGIN-- --LAT N- --LON W-- DEPTH-M RMS ERH ERZ XMAG1 FMAG1 PMAG GEOID-DEP
2025-11-18 0647 35.58 37 45.551 121W59.325 2.13 0.09 0.60 10.94 3.24 3.24E 2.13
SOURCE
NSTA NPHS DMIN MODEL GAP ITR NFM NWR NWS NVR REMRKS-AVH N.XMG-XMMAD-T N.FMG-FMMAD-T L F X
6 6 36.6 Emb 154 5 5 5 0 6 - 5 0.09 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
3.24 5 0.09 E 2 5 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
LCGPZPN SHZ 01 A 36.6 218 90 PU 1 42.18 6.60 6.42 0.00 0.18 0.88 W 0.943 0.00 65.0 3.24 E
GLFBZPN SHZ 01 A 37.7 203 90 P 42.10 6.52 6.60 0.00 -0.08 1.18 W 0.954 0.00 71.0 3.33 E
RE9A7AM EHZ 00 A 50.7 95 90 PU 44.30 8.72 8.71 0.00 0.01 1.18 W 0.954 0.00 144 4 4.04XE
B057 PB EHZ -- A 58.8 301 90 PU 45.59 10.01 10.03 0.00 -0.02 1.18 W 0.977 0.00 37.0 2.74 E
ATZ PN SHZ 01 A 87.0 174 90 PD 3 50.55 14.97 14.62 0.00 0.35 0.00 W 0.000 0.00 101 3.74 E
B058 PB EHZ -- A112.5 161 90 PU 2 54.24 18.66 18.76 0.00 -0.10 0.59 W 0.169 0.00 37.0 2.80 E