Errors from USGS Location and Magnitude:
EQPROC = 4.4km (2.7 mi)
HYPO2K = 3.7km (2.3 mi)
Magnitude = 0.3
USGS Report:
Date Time Lat Lon Mag Depth Location
-----------------------------------------------------------------------------------
2026/05/02 23:27:42 37.574 -121.590 M2.5 2.7 20 km SE of Livermore, CA
EQPROC Summary:
2951 2026May 2 2327 43.27 37.5887 -121.6359 8.00 0.06 53.6 73.8 236 4
MTUMZ SHZ PN 01 2026May 2 2327 53.03 P D2 53.6 -0.00
B054 EHZ PB -- 2026May 2 2327 54.33 P ?3 58.2 0.52
B057 EHZ PB -- 2026May 2 2327 59.50 P ?0 95.4 -0.00
B058 EHZ PB -- 2026May 2 2327 58.39 P D2 87.8 -0.00
HYPO2K Report:
YEAR MO DA --ORIGIN-- --LAT N- --LON W-- DEPTH-M RMS ERH ERZ XMAG1 FMAG1 PMAG GEOID-DEP
2026-05-02 2327 43.34 37 36.310 121W36.375 8.10 0.16 4.42 15.56 2.19 2.19E 8.06
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 56.4 Emb 238 7 2 4 0 4 - 2 2.18 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
2.19 2 2.18 E 39 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
MTUMZPN SHZ 01 A 56.4 208 96 PD 2 53.03 9.69 9.70 0.00 -0.01 0.89 W 1.000 0.00 21.0 1 2.19 E
B054 PB EHZ -- A 59.5 299 96 P 3 54.33 10.99 10.19 0.00 0.80* 0.44 W 0.999 0.00 29.0 2.50 E
B058 PB EHZ -- A 89.4 178 93 PD 2 58.39 15.05 15.05 0.00 0.00 0.89 W 0.999 0.00 11.0 4 1.60XE
B057 PB EHZ -- A 96.6 300 93 P 59.50 16.16 16.21 0.00 -0.05 1.78 W 0.999 0.00 11.0 4 1.61XE