Errors from USGS Location and Magnitude:
EQPROC = 48.6km (30.2mi)
HYPO2K = 48.0km (29.8mi)
Magnitude = 0.3
USGS Report:
Date Time Lat Lon Mag Depth Location
-----------------------------------------------------------------------------------
2026/01/11 21:44:25 37.982 -121.823 M2.6 20.4 3 km SSW of Antioch, CA
EQPROC Summary:
2885 2026Jan11 2144 29.66 37.7456 -122.2883 2.43 0.00 15.0 59.7 168 4
ADUB1 SHZ PN 01 2026Jan11 2144 40.95 P D3 61.7 -0.01
B054 EHZ PB -- 2026Jan11 2144 33.03 P U1 15.0 -0.00
B057 EHZ PB -- 2026Jan11 2144 37.23 P U0 39.7 -0.00
B058 EHZ PB -- 2026Jan11 2144 50.30 P D3 122.3 0.08
HYPO2K Report:
YEAR MO DA --ORIGIN-- --LAT N- --LON W-- DEPTH-M RMS ERH ERZ XMAG1 FMAG1 PMAG GEOID-DEP
2026-01-11 2144 30.26 37 44.907 122W16.619 2.42 0.07 0.78 10.10 2.33 2.33E 2.41
SOURCE
NSTA NPHS DMIN MODEL GAP ITR NFM NWR NWS NVR REMRKS-AVH N.XMG-XMMAD-T N.FMG-FMMAD-T L F X
4 4 14.2 Emb 167 7 4 4 0 4 - 3 1.16 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
2.33 3 1.16 E 17 3 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 14.2 28 91 PU 1 33.03 2.77 2.77 0.00 -0.00 1.33 W 1.000 0.00 31.0 2.39 E
B057 PB EHZ -- A 40.0 321 90 PU 37.23 6.97 6.98 0.00 -0.01 1.78 W 1.000 0.00 23.0 2.26 E
ADUB1PN SHZ 01 A 61.5 154 90 PD 3 40.95 10.69 10.47 0.00 0.22 0.44 W 1.000 0.00 41.0 2.84 E
B058 PB EHZ -- A122.1 149 90 PD 3 50.30 20.04 20.32 0.00 -0.28 0.44 W 0.999 0.00 1.00 4