Errors from USGS Location and Magnitude:
EQPROC = 3.7km (2.3 mi)
HYPO2K = 5.3km (3.3 mi)
Magnitude = -0.4
USGS Report:
Date Time Lat Lon Mag Depth Location
-----------------------------------------------------------------------------------
2022/05/21 12:50:24 37.501 -121.619 M2.0 7.2 24km NE of Alum Rock, CA
EQPROC Summary:
2282 2022May21 1250 25.07 37.5065 -121.6605 9.98 0.04 31.7 62.2 132 5
RE9A7 EHZ AM 00 2022May21 1250 31.20 P ?3 31.7 -0.00
ADUB1 SHZ PN 01 2022May21 1250 32.64 P U0 40.3 -0.00
B054 EHZ PB -- 2022May21 1250 36.23 P D1 61.7 0.02
B058 EHZ PB -- 2022May21 1250 39.24 P ?2 78.9 0.52
B057 EHZ PB -- 2022May21 1250 41.60 P ?1 98.6 -0.00
HYPO2K Report:
YEAR MO DA --ORIGIN-- --LAT N- --LON W-- DEPTH-M RMS ERH ERZ XMAG1 FMAG1 PMAG GEOID-DEP
2022-05-21 1250 25.57 37 30.659 121W40.956 12.78 0.21 2.02 9.22 2.44 2.44E 12.76
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 32.7 Emb 128 7 2 5 0 5 2 2.43 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
2.44 2 2.43 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
RE9A7AM EHZ 00 A 32.7 45 109 P 3 31.20 5.63 6.08 0.00 -0.45 0.35 W 0.871 0.00 28.0 2.44 E
ADUB1PN SHZ 01 A 39.4 223 105 PU 32.64 7.07 7.12 0.00 -0.05 1.55 W 0.982 0.00 23.0 2.29 E
B054 PB EHZ -- A 59.8 311 100 PD 1 36.23 10.66 10.36 0.00 0.30 1.16 W 0.524 0.00 5.00 4 0.85XE
B058 PB EHZ -- A 79.5 173 97 P 2 39.24 13.67 13.51 0.00 0.16 0.77 W 0.941 0.00 1.00 4
B057 PB EHZ -- A 96.6 307 96 P 1 41.60 16.03 16.28 0.00 -0.25 1.16 W 0.680 0.00 1.00 4