Errors from USGS Location and Magnitude:
EQPROC = 11.4km (7.1 mi)
HYPO2K = 7.8km (4.9 mi)
Magnitude = 0.1
USGS Report:
Date Time Lat Lon Mag Depth Location
-----------------------------------------------------------------------------------
2026/03/24 07:31:47 37.765 -121.938 M3.0 8.2 4 km ESE of San Ramon, CA
EQPROC Summary:
2935 2026Mar24 731 48.67 37.7600 -122.0667 12.63 0.13 16.2 57.0 205 7
LCGPZ SHZ PN 01 2026Mar24 731 55.14 P U0 33.0 -0.00
GLFBZ SHZ PN 01 2026Mar24 731 55.12 P ?0 35.8 -0.48
ADUB1 SHZ PN 01 2026Mar24 731 58.67 P U2 57.5 -0.30
ATZ SHZ PN 01 2026Mar24 732 3.59 P D0 88.1 0.15
B057 EHZ PB -- 2026Mar24 731 58.33 P U0 53.1 0.00
B054 EHZ PB -- 2026Mar24 731 52.53 P U0 16.2 -0.00
B058 EHZ PB -- 2026Mar24 732 7.11 PnD3 115.0 0.06
HYPO2K Report:
YEAR MO DA --ORIGIN-- --LAT N- --LON W-- DEPTH-M RMS ERH ERZ XMAG1 FMAG1 PMAG GEOID-DEP
2026-03-24 0731 48.78 37 45.591 122W 1.959 9.60 0.11 1.92 3.85 2.93 2.93E 9.59
SOURCE
NSTA NPHS DMIN MODEL GAP ITR NFM NWR NWS NVR REMRKS-AVH N.XMG-XMMAD-T N.FMG-FMMAD-T L F X
7 7 18.4 Emb 224 8 6 6 0 7 7 1.06 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
2.93 7 1.06 E 10 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 18.4 308 114 PU 52.53 3.75 3.73 0.00 0.02 1.09 W 0.991 0.00 59.0 3.03 E
LCGPZPN SHZ 01 A 34.5 213 103 PU 55.14 6.36 6.22 0.00 0.14 1.09 W 0.686 0.00 37.0 2.68 E
GLFBZPN SHZ 01 A 36.5 197 102 P 55.12 6.34 6.54 0.00 -0.20 1.09 W 0.384 0.00 51.0 1 3.00 E
B057 PB EHZ -- A 55.5 303 98 PU 58.33 9.55 9.58 0.00 -0.03 1.09 W 0.983 0.00 43.0 2.88 E
ADUB1PN SHZ 01 A 57.1 175 97 PU 2 58.67 9.89 9.83 0.00 0.06 0.55 W 0.157 0.00 121 3.88 E
ATZ PN SHZ 01 A 87.6 172 95 PD 63.59 14.81 14.76 0.00 0.05 1.09 W 0.796 0.00 135 4.02 E
B058 PB EHZ -- A113.9 159 93 PD 3 67.11 18.33 19.03 0.00 -0.70* 0.00 W 0.000 0.00 45.0 2.99 E