Errors from USGS Location and Magnitude:
EQPROC = 12.9km (8.0 mi)
HYPO2K = 18.4km (11.4mi)
Magnitude = 0.2
USGS Report:
Date Time Lat Lon Mag Depth Location
-----------------------------------------------------------------------------------
2021/08/01 05:38:44 37.849 -121.889 M2.5 8.9 4km NNE of Blackhawk, CA
EQPROC Summary:
2134 2021Aug 1 538 44.10 37.9538 -121.8266 9.50 0.16 34.5 66.5 267 5
GLFBZ SHZ PN 01 2021Aug 1 538 55.92 P ?1 63.4 0.39
ADUB1 SHZ PN 01 2021Aug 1 538 57.86 P U3 79.7 -0.04
MTUMZ SHZ PN 01 2021Aug 1 538 59.25 P U1 89.2 -0.04
B057 EHZ PB -- 2021Aug 1 538 56.10 P D2 65.7 0.23
B054 EHZ PB -- 2021Aug 1 538 50.69 P U0 34.5 -0.00
HYPO2K Report:
YEAR MO DA --ORIGIN-- --LAT N- --LON W-- DEPTH-M RMS ERH ERZ XMAG1 FMAG1 PMAG GEOID-DEP
2021-08-01 0538 43.83 37 59.046 121W46.439 9.66 0.29 7.51 20.39 2.29 2.29E 9.63
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 39.9 Emb 272 7 4 5 0 5 - 5 0.19 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
2.29 5 0.19 E 31 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
B054 PB EHZ -- A 39.9 250 101 PU 50.69 6.86 7.07 0.00 -0.21 1.54 W 1.000 0.00 31.0 2.54 E
GLFBZPN SHZ 01 A 68.5 210 96 P 1 55.92 12.09 11.67 0.00 0.42 1.15 W 0.989 0.00 15.0 1.88 E
B057 PB EHZ -- A 69.7 275 96 PD 2 56.10 12.27 11.87 0.00 0.40 0.77 W 0.999 0.00 23.0 1 2.29 E
ADUB1PN SHZ 01 A 83.8 193 95 PU 3 57.86 14.03 14.15 0.00 -0.12 0.38 W 0.061 0.00 43.0 2.91 E
MTUMZPN SHZ 01 A 92.9 187 94 PU 1 59.25 15.42 15.62 0.00 -0.20 1.15 W 0.948 0.00 17.0 2.02 E