Errors from USGS Location and Magnitude:
EQPROC = 11.6km (7.2 mi)
HYPO2K = 12.3km (7.7 mi)
Magnitude = 0.2
USGS Report:
Date Time Lat Lon Mag Depth Location
-----------------------------------------------------------------------------------
2026/04/03 21:31:46 37.667 -122.075 M2.3 5.1 3 km N of Hayward, CA
EQPROC Summary:
2939 2026Apr 3 2131 45.85 37.7114 -121.9560 1.50 0.03 27.1 62.4 214 4
ADUB1 SHZ PN 01 2026Apr 3 2131 55.61 P ?0 51.6 0.00
B058 EHZ PB -- 2026Apr 3 2132 4.51 P ?2 106.6 0.00
B054 EHZ PB -- 2026Apr 3 2131 51.46 P D1 27.1 0.00
B057 EHZ PB -- 2026Apr 3 2131 57.39 P D2 64.2 -0.36
HYPO2K Report:
YEAR MO DA --ORIGIN-- --LAT N- --LON W-- DEPTH-M RMS ERH ERZ XMAG1 FMAG1 PMAG GEOID-DEP
2026-04-03 2131 46.57 37 43.187 121W57.116 1.50 0.03 2.72 8.47 2.09 2.09E 1.48
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 26.8 Emb 216 5 2 4 0 4 - 1 0.00 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
2.09 1 0.00 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 26.8 306 35 PD 1 51.46 4.89 4.86 0.00 0.03 1.09 W 1.000 0.00 21.0 2.09 E
ADUB1PN SHZ 01 A 52.5 183 35 P 55.61 9.04 9.04 0.00 0.00 1.45 W 0.999 0.00 9.00 4 1.37XE
B057 PB EHZ -- A 63.9 303 35 PD 2 57.39 10.82 10.89 0.00 -0.07 0.73 W 0.999 0.00 5.00 4 0.81XE
B058 PB EHZ -- A107.3 162 35 P 2 64.51 17.94 17.95 0.00 -0.01 0.73 W 0.999 0.00 1.00 4