Errors from USGS Location and Magnitude:
EQPROC = 7.5km (4.7 mi)
HYPO2K = 3.3km (2.0 mi)
Magnitude = -0.3
USGS Report:
Date Time Lat Lon Mag Depth Location
-----------------------------------------------------------------------------------
2023/05/02 08:39:46 37.394 -121.783 M2.1 1.3 5km NE of Alum Rock, CA
EQPROC Summary:
2458 2023May 2 839 48.04 37.3636 -121.8590 13.85 0.02 16.8 60.9 187 4
ADUB1 SHZ PN 01 2023May 2 839 52.10 P D1 16.8 -0.00
B054 EHZ PB -- 2023May 2 839 58.89 P ?3 62.8 -0.12
B058 EHZ PB -- 2023May 2 839 59.56 P U2 67.3 -0.11
B057 EHZ PB -- 2023May 2 840 3.96 P ?1 96.6 0.02
HYPO2K Report:
YEAR MO DA --ORIGIN-- --LAT N- --LON W-- DEPTH-M RMS ERH ERZ XMAG1 FMAG1 PMAG GEOID-DEP
2023-05-02 0839 47.76 37 23.094 121W49.896 14.16 0.09 4.23 7.02 2.42 2.42E 14.14
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 20.2 Emb 191 8 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
2.42 1 0.00 E 15 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
ADUB1PN SHZ 01 A 20.2 221 122 PD 1 52.10 4.34 4.34 0.00 0.00 1.33 W 1.000 0.00 29.0 2.42 E
B054 PB EHZ -- A 61.9 329 101 P 3 58.89 11.13 10.74 0.00 0.39 0.44 W 0.999 0.00 7.00 4 1.19XE
B058 PB EHZ -- A 68.7 160 100 PU 2 59.56 11.80 11.81 0.00 -0.01 0.89 W 0.999 0.00 1.00 4
B057 PB EHZ -- A 96.3 318 97 P 1 63.96 16.20 16.25 0.00 -0.05 1.33 W 1.000 0.00 3.00 4 0.41XE