Errors from USGS Location and Magnitude:
EQPROC = 47.5km (29.5mi)
HYPO2K = 46.3km (28.8mi)
Magnitude = 0.4
USGS Report:
Date Time Lat Lon Mag Depth Location
-----------------------------------------------------------------------------------
2022/02/27 08:05:09 37.338 -121.702 M1.8 7.2 12km ESE of Alum Rock, CA
EQPROC Summary:
2237 2022Feb27 805 9.96 37.0787 -122.1272 17.50 0.08 21.9 60.3 217 5
MTUMZ SHZ PN 01 2022Feb27 805 14.91 P D0 21.9 -0.06
ADUB1 SHZ PN 01 2022Feb27 805 15.09 P U0 22.8 -0.00
B058 EHZ PB -- 2022Feb27 805 20.41 P U3 57.3 0.36
B057 EHZ PB -- 2022Feb27 805 27.82 P ?3 112.3 0.27
B054 EHZ PB -- 2022Feb27 805 23.27 P ?3 87.1 -1.07
HYPO2K Report:
YEAR MO DA --ORIGIN-- --LAT N- --LON W-- DEPTH-M RMS ERH ERZ XMAG1 FMAG1 PMAG GEOID-DEP
2022-02-27 0805 9.94 37 5.385 122W 7.012 20.55 0.21 12.32 7.97 1.38 1.38E 20.51
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 20.7 Emb 217 11 3 5 0 5 - 2 1.37 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
1.38 2 1.37 E 41 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 20.7 70 127 PD 14.91 4.97 5.04 0.00 -0.07 1.82 W 0.738 0.00 9.00 1.38 E
ADUB1PN SHZ 01 A 21.3 34 126 PU 15.09 5.15 5.11 0.00 0.04 1.82 W 0.735 0.00 19.0 2.11 E
B058 PB EHZ -- A 57.6 123 92 PU 3 20.41 10.47 10.25 0.00 0.22 0.45 W 0.713 0.00 1.00 4
B054 PB EHZ -- A 85.8 356 90 P 3 23.27 13.33 14.46 0.00 -1.13* 0.45 W 0.981 0.00 1.00 4
B057 PB EHZ -- A111.4 340 90 P 3 27.82 17.88 18.27 0.00 -0.39 0.45 W 0.830 0.00 1.00 4