Errors from USGS Location and Magnitude:
EQPROC = 28.4km (17.6mi)
HYPO2K = 24.7km (15.3mi)
Magnitude = 0.5
USGS Report:
Date Time Lat Lon Mag Depth Location
-----------------------------------------------------------------------------------
2021/04/11 21:10:38 37.464 -121.820 M2.1 6.5 9km ENE of Milpitas, CA
EQPROC Summary:
2067 2021Apr11 2110 38.64 37.3690 -122.1178 2.50 0.04 30.9 62.0 188 4
MTUMZ SHZ PN 01 2021Apr11 2110 44.70 P D0 30.9 0.00
B058 EHZ PB -- 2021Apr11 2110 51.86 P ?3 79.1 -1.01
B057 EHZ PB -- 2021Apr11 2110 53.56 P ?1 83.1 0.00
B054 EHZ PB -- 2021Apr11 2110 48.80 P D2 55.1 0.00
HYPO2K Report:
YEAR MO DA --ORIGIN-- --LAT N- --LON W-- DEPTH-M RMS ERH ERZ XMAG1 FMAG1 PMAG GEOID-DEP
2021-04-11 2110 39.41 37 22.570 122W 4.559 2.50 0.12 4.23 13.11 1.64 1.64E 2.46
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 29.4 Emb 183 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
1.64 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 29.4 147 91 PD 44.70 5.29 5.25 0.00 0.04 1.60 W 0.999 0.00 13.0 1.64 E
B054 PB EHZ -- A 54.8 349 90 PD 2 48.80 9.39 9.38 0.00 0.01 0.80 W 1.000 0.00 1.00 4
B058 PB EHZ -- A 77.7 145 90 P 3 51.86 12.45 13.10 0.00 -0.65* 0.40 W 0.999 0.00 1.00 4
B057 PB EHZ -- A 84.2 330 90 P 1 53.56 14.15 14.16 0.00 -0.01 1.20 W 1.000 0.00 3.00 4 0.34XE