Errors from USGS Location and Magnitude:
EQPROC = 2.9km (1.8 mi)
HYPO2K = 2.8km (1.8 mi)
Magnitude = -0.4
USGS Report:
Date Time Lat Lon Mag Depth Location
-----------------------------------------------------------------------------------
2023/03/04 12:56:37 37.465 -121.774 M2.4 6.5 12km NNE of Alum Rock, CA
EQPROC Summary:
2412 2023Mar 4 1256 37.66 37.4596 -121.8058 12.89 0.01 28.2 59.5 114 6
ADUB1 SHZ PN 01 2023Mar 4 1256 43.37 P D0 28.2 0.00
RE9A7 EHZ AM 00 2023Mar 4 1256 46.04 P D0 44.6 0.00
ATZ SHZ PN 01 2023Mar 4 1256 55.06 S ?1 54.1 0.57
B054 EHZ PB -- 2023Mar 4 1256 47.79 P ?3 56.5 0.00
B058 EHZ PB -- 2023Mar 4 1256 50.64 P ?2 76.0 0.00
B057 EHZ PB -- 2023Mar 4 1256 53.24 P D3 92.1 0.26
HYPO2K Report:
YEAR MO DA --ORIGIN-- --LAT N- --LON W-- DEPTH-M RMS ERH ERZ XMAG1 FMAG1 PMAG GEOID-DEP
2023-03-04 1256 37.69 37 27.058 121W48.564 18.58 0.01 0.61 0.75 2.75 2.75E 18.56
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 27.2 Emb 115 5 3 5 0 5 4 2.75 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
2.75 4 2.75 E 13 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 27.2 214 122 PD 43.37 5.68 5.69 0.00 -0.01 1.67 W 0.991 0.00 33.0 2.65 E
RE9A7AM EHZ 00 A 45.4 49 110 PD 46.04 8.35 8.35 0.00 -0.00 1.67 W 0.995 0.00 37.0 2.84 E
B054 PB EHZ -- A 57.0 323 106 P 3 47.79 10.10 10.13 0.00 -0.03 0.42 W 0.365 0.00 25.0 2.48 E
B058 PB EHZ -- A 75.1 164 66 P 2 50.64 12.95 12.95 0.00 0.00 0.83 W 0.960 0.00 21.0 2.33 E
B057 PB EHZ -- A 92.4 315 66 PD 3 53.24 15.55 15.53 0.00 0.02 0.42 W 0.686 0.00 9.00 4 1.53XE