Errors from USGS Location and Magnitude:
EQPROC = 15.8km (9.8 mi)
HYPO2K = 7.8km (4.8 mi)
Magnitude = 0.1
USGS Report:
Date Time Lat Lon Mag Depth Location
-----------------------------------------------------------------------------------
2026/03/13 12:25:39 37.751 -121.939 M2.8 7.5 5 km SE of San Ramon, CA
EQPROC Summary:
2927 2026Mar13 1225 42.02 37.7481 -122.1180 12.00 0.03 14.4 54.2 186 5
GLFBZ SHZ PN 01 2026Mar13 1225 48.58 P D3 33.8 -0.01
ADUB1 SHZ PN 01 2026Mar13 1225 52.43 P U3 57.0 0.14
B054 EHZ PB -- 2026Mar13 1225 45.57 P U0 14.4 -0.00
B058 EHZ PB -- 2026Mar13 1225 59.83 P D3 115.6 -0.71
B057 EHZ PB -- 2026Mar13 1225 51.33 P U0 50.2 0.03
HYPO2K Report:
YEAR MO DA --ORIGIN-- --LAT N- --LON W-- DEPTH-M RMS ERH ERZ XMAG1 FMAG1 PMAG GEOID-DEP
2026-03-13 1225 40.69 37 49.136 121W55.061 13.60 0.18 9.46 4.57 2.68 2.68E 13.59
SOURCE
NSTA NPHS DMIN MODEL GAP ITR NFM NWR NWS NVR REMRKS-AVH N.XMG-XMMAD-T N.FMG-FMMAD-T L F X
5 5 25.2 Emb 232 9 5 5 0 5 # 5 0.11 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
2.68 5 0.11 E 13 4 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 25.2 281 116 PU 45.57 4.88 5.01 0.00 -0.13 1.82 W 0.937 0.00 43.0 2.82 E
GLFBZPN SHZ 01 A 46.4 207 104 PD 3 48.58 7.89 8.25 0.00 -0.36 0.45 W 0.945 0.00 27.0 2.47 E
B057 PB EHZ -- A 61.5 293 101 PU 51.33 10.64 10.65 0.00 -0.01 1.82 W 0.950 0.00 33.0 1 2.68 E
ADUB1PN SHZ 01 A 63.7 185 100 PU 3 52.43 11.74 11.00 0.00 0.74* 0.45 W 0.372 0.00 101 3.76 E
B058 PB EHZ -- A117.0 165 66 PD 3 59.83 19.14 19.53 0.00 -0.39 0.45 W 0.794 0.00 27.0 2.55 E