Errors from USGS Location and Magnitude:
EQPROC = 58.0km (36.0mi)
HYPO2K = 44.4km (27.6mi)
Magnitude = 0.4
USGS Report:
Date Time Lat Lon Mag Depth Location
-----------------------------------------------------------------------------------
2023/10/02 22:30:18 37.432 -121.770 M2.0 10.2 9 km NE of Alum Rock, CA
EQPROC Summary:
2547 2023Oct 2 2230 17.58 37.1581 -122.3270 1.50 0.16 37.9 73.1 227 4
MTUMZ SHZ PN 01 2023Oct 2 2230 25.02 P ?1 37.9 0.00
B058 EHZ PB -- 2023Oct 2 2230 31.64 P ?1 77.0 0.00
B054 EHZ PB -- 2023Oct 2 2230 29.93 P D2 78.8 -2.02
B057 EHZ PB -- 2023Oct 2 2230 35.11 P D1 98.8 0.00
HYPO2K Report:
YEAR MO DA --ORIGIN-- --LAT N- --LON W-- DEPTH-M RMS ERH ERZ XMAG1 FMAG1 PMAG GEOID-DEP
2023-10-02 2230 19.26 37 14.701 122W12.886 1.49 0.47 8.80 39.09 1.65 1.65E 1.45
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 30.0 Emb 210 7 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
1.65 1 0.00 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 30.0 109 35 P 1 25.02 5.76 5.38 0.00 0.38 1.09 W 0.999 0.00 13.0 1.65 E
B054 PB EHZ -- A 68.3 1 35 PD 2 29.93 10.67 11.61 0.00 -0.94* 0.73 W 1.000 0.00 3.00 4 0.32XE
B058 PB EHZ -- A 75.0 131 35 P 1 31.64 12.38 12.70 0.00 -0.32 1.09 W 1.000 0.00 1.00 4
B057 PB EHZ -- A 92.2 341 35 PD 1 35.11 15.85 15.50 0.00 0.35 1.09 W 1.000 0.00 3.00 4 0.35XE