Errors from USGS Location and Magnitude:
EQPROC = 7.4km (4.6 mi)
HYPO2K = 6.3km (3.9 mi)
Magnitude = 0.2
USGS Report:
Date Time Lat Lon Mag Depth Location
-----------------------------------------------------------------------------------
2026/06/04 14:17:31 37.529 -121.905 M2.7 9.1 7 km ESE of Fremont, CA
EQPROC Summary:
2963 2026Jun 4 1417 31.89 37.5239 -121.9882 6.94 0.06 30.7 56.6 182 6
MTUMZ SHZ PN 01 2026Jun 4 1417 39.09 P D3 42.0 -0.58
ADUB1 SHZ PN 01 2026Jun 4 1417 37.78 P D0 30.7 -0.00
ATZ SHZ PN 01 2026Jun 4 1417 42.92 P U0 61.1 0.01
B057 EHZ PB -- 2026Jun 4 1417 45.34 P D1 75.7 0.01
B054 EHZ PB -- 2026Jun 4 1417 39.64 P U0 41.8 0.00
B058 EHZ PB -- 2026Jun 4 1417 45.98 P ?2 88.2 -1.17
HYPO2K Report:
YEAR MO DA --ORIGIN-- --LAT N- --LON W-- DEPTH-M RMS ERH ERZ XMAG1 FMAG1 PMAG GEOID-DEP
2026-06-04 1417 32.38 37 31.512 121W58.730 5.61 0.10 4.37 9.64 2.55 2.55E 5.58
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 30.8 Emb 200 8 5 4 0 6 - 5 1.47 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
2.55 5 1.47 E 32 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
ADUB1PN SHZ 01 A 30.8 181 97 PD 37.78 5.40 5.52 0.00 -0.12 1.07 W 1.000 0.00 151 4.02 E
MTUMZPN SHZ 01 A 41.9 170 95 PD 3 39.09 6.71 7.31 0.00 -0.60* 0.00 W 0.000 0.00 21.0 2.17 E
B054 PB EHZ -- A 42.0 333 95 PU 39.64 7.26 7.32 0.00 -0.06 1.07 W 0.999 0.00 31.0 2.55 E
ATZ PN SHZ 01 A 61.1 173 93 PU 42.92 10.54 10.43 0.00 0.11 1.07 W 1.000 0.00 21.0 4 2.19XE
B057 PB EHZ -- A 76.0 318 92 PD 1 45.34 12.96 12.84 0.00 0.12 0.80 W 1.000 0.00 27.0 2.45 E
B058 PB EHZ -- A 88.0 156 92 P 2 45.98 13.60 14.78 0.00 -1.18* 0.00 W 0.000 0.00 29.0 2.53 E