Errors from USGS Location and Magnitude:
EQPROC = 6.9km (4.3 mi)
HYPO2K = 26.0km (16.2mi)
Magnitude = 0.2
USGS Report:
Date Time Lat Lon Mag Depth Location
-----------------------------------------------------------------------------------
2025/05/30 19:11:42 37.960 -122.011 M3.2 15.2 1 km S of Concord, CA
EQPROC Summary:
2784 2025May30 1911 42.16 38.0201 -121.9911 2.50 0.17 25.6 83.7 254 5
ADUB1 SHZ PN 01 2025May30 1911 57.54 P U0 85.9 -0.00
ATZ SHZ PN 01 2025May30 1912 2.89 P ?1 116.1 0.98
B054 EHZ PB -- 2025May30 1911 47.32 P U0 25.6 -0.00
B057 EHZ PB -- 2025May30 1911 51.58 P U0 50.7 -0.00
B058 EHZ PB -- 2025May30 1912 3.75 PnU1 140.4 -1.26
HYPO2K Report:
YEAR MO DA --ORIGIN-- --LAT N- --LON W-- DEPTH-M RMS ERH ERZ XMAG1 FMAG1 PMAG GEOID-DEP
2025-05-30 1911 40.16 38 8.744 121W49.856 2.50 0.82 20.67 68.75 3.02 3.02E 2.48
SOURCE
NSTA NPHS DMIN MODEL GAP ITR NFM NWR NWS NVR REMRKS-AVH N.XMG-XMMAD-T N.FMG-FMMAD-T L F X
5 5 45.3 Emb 272 5 4 5 0 5 - 4 3.02 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
3.02 4 3.02 E 21 2 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 45.3 226 90 PU 47.32 7.16 7.83 0.00 -0.67* 1.11 W 0.787 0.00 53.0 3.07 E
B057 PB EHZ -- A 65.8 259 90 PU 51.58 11.42 11.16 0.00 0.26 1.11 W 0.970 0.00 47.0 2.97 E
ADUB1PN SHZ 01 A100.6 188 90 PU 57.54 17.38 16.82 0.00 0.56* 1.11 W 0.607 0.00 83.0 3.56 E
ATZ PN SHZ 01 A129.7 183 90 P 1 62.89 22.73 21.56 0.00 1.17* 0.83 W 0.981 0.00 27.0 4 2.51XE
B058 PB EHZ -- A151.0 171 90 PU 1 63.75 23.59 25.03 0.00 -1.44* 0.83 W 0.653 0.00 41.0 2.94 E