Errors from USGS Location and Magnitude:
EQPROC = 13.0km (8.1 mi)
HYPO2K = 13.1km (8.2 mi)
Magnitude = -0.7
USGS Report:
Date Time Lat Lon Mag Depth Location
-----------------------------------------------------------------------------------
2021/02/06 06:58:45 37.378 -121.729 M2.0 7.9 9km E of Alum Rock, CA
EQPROC Summary:
2034 2021Feb 6 658 45.90 37.3970 -121.5840 39.00 0.02 38.4 71.9 157 6
RE9A7 EHZ AM 00 2021Feb 6 658 54.28 P ?1 38.3 -0.00
JCPZ SHZ PN 01 2021Feb 6 658 57.71 P D0 68.6 -0.00
B054 EHZ PB -- 2021Feb 6 658 58.03 Pn?3 74.8 -0.43
B054 EHZ PB -- 2021Feb 6 659 8.64 Sg?3 74.8 -0.23
B058 EHZ PB -- 2021Feb 6 658 57.44 P D2 66.4 -0.00
B057 EHZ PB -- 2021Feb 6 659 2.85 P D2 111.4 -0.15
HYPO2K Report:
YEAR MO DA --ORIGIN-- --LAT N- --LON W-- DEPTH-M RMS ERH ERZ XMAG1 FMAG1 PMAG GEOID-DEP
2021-02-06 0658 45.05 37 23.946 121W34.937 45.01 0.00 1.38 4.38 2.69 2.69E 45.00
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 38.0 Emb 157 8 3 4 0 5 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
2.69 1 0.00 E 13 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
RE9A7AM EHZ 00 A 38.0 22 127 P 1 54.28 9.23 9.23 0.00 0.00 1.09 W 0.999 0.00 3.00 4 0.77XE
B058 PB EHZ -- A 66.5 179 103 PD 2 57.44 12.39 12.39 0.00 0.00 0.73 W 0.999 0.00 1.00 4
JCPZ PN SHZ 01 A 68.8 288 102 PD 57.71 12.66 12.66 0.00 0.00 1.45 W 0.999 0.00 21.0 2.69 E
B054 PB EHZ -- A 74.7 314 100 P 3 58.03 12.98 13.37 0.00 -0.39 0.00 W 0.000 0.00 1.00 4
B057 PB EHZ -- A111.3 310 94 PD 2 62.85 17.80 17.80 0.00 0.00 0.73 W 1.000 0.00 3.00 4 0.86XE