Errors from USGS Location and Magnitude:
EQPROC = 4.8km (3.0 mi)
HYPO2K = 3.8km (2.3 mi)
Magnitude = -0.2
USGS Report:
Date Time Lat Lon Mag Depth Location
-----------------------------------------------------------------------------------
2025/12/23 08:11:11 37.749 -121.944 M2.7 9.1 5 km SE of San Ramon, CA
EQPROC Summary:
2872 2025Dec23 811 11.99 37.7563 -121.9982 5.98 0.00 37.2 58.1 154 5
GLFBZ SHZ PN 01 2025Dec23 811 18.94 P U0 37.2 -0.00
RE9A7 EHZ AM 00 2025Dec23 811 21.37 P U0 51.5 -0.00
ADUB1 SHZ PN 01 2025Dec23 811 22.28 P U3 56.6 0.05
ATZ SHZ PN 01 2025Dec23 811 27.15 P U0 86.9 -0.00
B057 EHZ PB -- 2025Dec23 811 22.54 P U0 58.4 -0.00
HYPO2K Report:
YEAR MO DA --ORIGIN-- --LAT N- --LON W-- DEPTH-M RMS ERH ERZ XMAG1 FMAG1 PMAG GEOID-DEP
2025-12-23 0811 12.53 37 45.191 121W59.917 5.98 0.06 0.51 7.68 2.90 2.90E 5.98
SOURCE
NSTA NPHS DMIN MODEL GAP ITR NFM NWR NWS NVR REMRKS-AVH N.XMG-XMMAD-T N.FMG-FMMAD-T L F X
5 5 36.8 Emb 152 5 5 5 0 5 - 5 0.45 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
2.90 5 0.45 E 3 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
GLFBZPN SHZ 01 A 36.8 202 96 PU 18.94 6.41 6.49 0.00 -0.08 1.18 W 0.991 0.00 21.0 1 2.15 E
RE9A7AM EHZ 00 A 51.5 94 94 PU 21.37 8.84 8.86 0.00 -0.02 1.18 W 0.999 0.00 49.0 3.00 E
ADUB1PN SHZ 01 A 56.2 178 94 PU 3 22.28 9.75 9.62 0.00 0.13 0.29 W 0.032 0.00 43.0 2.88 E
B057 PB EHZ -- A 58.4 302 94 PU 22.54 10.01 9.99 0.00 0.02 1.18 W 0.999 0.00 27.0 2.43 E
ATZ PN SHZ 01 A 86.5 174 92 PU 27.15 14.62 14.55 0.00 0.07 1.18 W 0.977 0.00 89.0 1 3.61 E