Errors from USGS Location and Magnitude:
EQPROC = 4.3km (2.7 mi)
HYPO2K = 3.6km (2.2 mi)
Magnitude = -0.3
USGS Report:
Date Time Lat Lon Mag Depth Location
-----------------------------------------------------------------------------------
2023/05/05 10:18:57 37.801 -121.909 M2.0 17.2 2km S of Blackhawk, CA
EQPROC Summary:
2462 2023May 5 1018 58.84 37.8288 -121.9429 13.98 0.00 22.9 48.7 173 4
RE9A7 EHZ AM 00 2023May 5 1019 7.65 P U2 48.1 -0.00
ADUB1 SHZ PN 01 2023May 5 1019 10.07 P D1 64.7 -0.00
B054 EHZ PB -- 2023May 5 1019 3.80 P U0 22.9 -0.00
B057 EHZ PB -- 2023May 5 1019 9.27 P D1 59.2 -0.00
HYPO2K Report:
YEAR MO DA --ORIGIN-- --LAT N- --LON W-- DEPTH-M RMS ERH ERZ XMAG1 FMAG1 PMAG GEOID-DEP
2023-05-05 1018 58.96 37 49.307 121W56.977 16.40 0.00 0.90 2.13 2.29 2.29E 16.39
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 22.4 Emb 169 5 4 4 0 4 3 1.14 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 3 1.14 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
B054 PB EHZ -- A 22.4 282 124 PU 63.80 4.84 4.84 0.00 0.00 1.33 W 1.000 0.00 19.0 2.06 E
RE9A7AM EHZ 00 A 48.4 103 107 PU 2 67.65 8.69 8.69 0.00 0.00 0.67 W 1.000 0.00 27.0 2.51 E
B057 PB EHZ -- A 58.8 294 104 PD 1 69.27 10.31 10.31 0.00 -0.00 1.00 W 1.000 0.00 3.00 4 0.40XE
ADUB1PN SHZ 01 A 63.8 183 103 PD 1 70.07 11.11 11.11 0.00 0.00 1.00 W 0.999 0.00 17.0 2.08 E