Errors from USGS Location and Magnitude:
EQPROC = 2.4km (1.5 mi)
HYPO2K = 5.5km (3.4 mi)
Magnitude = 0.1
USGS Report:
Date Time Lat Lon Mag Depth Location
-----------------------------------------------------------------------------------
2021/02/28 16:31:38 36.952 -121.628 M2.3 4.9 7km N of Aromas, CA
EQPROC Summary:
2044 2021Feb28 1631 38.68 36.9302 -121.6292 1.50 0.03 15.1 47.2 190 5
MTUMZ SHZ PN 01 2021Feb28 1631 45.27 P D3 34.3 -0.23
ATZ SHZ PN 01 2021Feb28 1631 43.83 P U0 24.4 0.01
B058 EHZ PB -- 2021Feb28 1631 42.26 P D0 15.1 0.00
B054 EHZ PB -- 2021Feb28 1631 58.99 P D2 114.9 0.49
B057 EHZ PB -- 2021Feb28 1632 21.40 SgD2 147.3 0.41
HYPO2K Report:
YEAR MO DA --ORIGIN-- --LAT N- --LON W-- DEPTH-M RMS ERH ERZ XMAG1 FMAG1 PMAG GEOID-DEP
2021-02-28 1631 39.53 36 54.532 121W39.120 1.49 0.07 1.44 10.10 2.18 2.18E 1.45
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 13.7 Emb 176 7 4 4 0 4 - 2 2.17 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
2.18 2 2.17 E 40 3 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
B058 PB EHZ -- A 13.7 152 35 PD 42.26 2.73 2.73 0.00 -0.00 1.45 W 1.000 0.00 25.0 2.18 E
ATZ PN SHZ 01 A 23.3 290 35 PU 43.83 4.30 4.29 0.00 0.01 1.45 W 1.000 0.00 17.0 4 1.86XE
MTUMZPN SHZ 01 A 34.8 322 35 PD 3 45.27 5.74 6.17 0.00 -0.43 0.36 W 0.999 0.00 19.0 2.04 E
B054 PB EHZ -- A116.2 336 35 PD 2 58.99 19.46 19.40 0.00 0.06 0.73 W 0.999 0.00 1.00 4