Errors from USGS Location and Magnitude:
EQPROC = 3.4km (2.1 mi)
HYPO2K = 9.7km (6.1 mi)
Magnitude = 0.2
USGS Report:
Date Time Lat Lon Mag Depth Location
-----------------------------------------------------------------------------------
2025/12/24 19:36:54 37.748 -121.941 M3.1 8.8 5 km SE of San Ramon, CA
EQPROC Summary:
2873 2025Dec24 1936 55.21 37.7424 -121.9786 1.00 0.14 23.5 61.9 218 6
GLFBZ SHZ PN 01 2025Dec24 1937 2.48 P ?1 36.4 -0.00
ADUB1 SHZ PN 01 2025Dec24 1937 6.11 P ?3 55.0 0.47
ATZ SHZ PN 01 2025Dec24 1937 10.75 P D0 85.2 -0.00
B054 EHZ PB -- 2025Dec24 1937 0.29 P U0 23.5 -0.00
B057 EHZ PB -- 2025Dec24 1937 6.04 P U0 60.7 -0.56
B058 EHZ PB -- 2025Dec24 1937 14.61 P D2 110.5 0.07
HYPO2K Report:
YEAR MO DA --ORIGIN-- --LAT N- --LON W-- DEPTH-M RMS ERH ERZ XMAG1 FMAG1 PMAG GEOID-DEP
2025-12-24 1936 56.36 37 43.926 122W 2.810 0.89 0.09 2.74 10.42 2.94 2.94E 0.88
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 19.6 Emb 214 8 4 4 0 6 - 5 0.22 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
2.94 5 0.22 E 11 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
B054 PB EHZ -- A 19.6 317 27 PU 60.29 3.93 3.83 0.00 0.10 1.07 W 1.000 0.00 53.0 2.94 E
GLFBZPN SHZ 01 A 33.2 197 27 P 1 62.48 6.12 6.05 0.00 0.07 0.80 W 1.000 0.00 61.0 3.16 E
ADUB1PN SHZ 01 A 54.1 173 27 P 3 66.11 9.75 9.45 0.00 0.30 0.00 W 0.000 0.00 78.0 3.45 E
B057 PB EHZ -- A 56.2 306 27 PU 66.04 9.68 9.79 0.00 -0.11 1.07 W 0.999 0.00 37.0 2.73 E
ATZ PN SHZ 01 A 84.7 171 27 PD 70.75 14.39 14.42 0.00 -0.03 1.07 W 0.999 0.00 7.00 4 1.16XE
B058 PB EHZ -- A111.4 158 27 PD 2 74.61 18.25 18.77 0.00 -0.52* 0.00 W 0.000 0.00 35.0 1 2.74 E