Errors from USGS Location and Magnitude:
EQPROC = 4.6km (2.8 mi)
HYPO2K = 1.1km (0.7 mi)
Magnitude = 0.4
USGS Report:
Date Time Lat Lon Mag Depth Location
-----------------------------------------------------------------------------------
2018/06/22 22:59:01 37.371 -121.734 M2.6 6.1 8km E of Alum Rock, CA
EQPROC Summary:
1599 2018Jun22 2259 2.55 37.3302 -121.7404 10.00 0.04 23.1 57.1 201 5
MTUMZ SHZ PN 01 2018Jun22 2259 7.44 P U0 24.1 0.00
ADUB1 SHZ PN 01 2018Jun22 2259 7.28 P U0 23.1 0.00
B054 EHZ PB -- 2018Jun22 2259 14.58 P U3 71.5 -0.54
B058 EHZ PB -- 2018Jun22 2259 13.55 P U1 60.6 0.02
B057 EHZ PB -- 2018Jun22 2259 19.38 P D2 106.3 -0.74
HYPO2K Report:
YEAR MO DA --ORIGIN-- --LAT N- --LON W-- DEPTH-M RMS ERH ERZ XMAG1 FMAG1 PMAG GEOID-DEP
2018-06-22 2259 2.24 37 22.68 121W44.16 10.30 0.12 3.95 12.28 2.25 2.25E 10.26
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 26.1 Emb 212 7 5 4 0 5 - 4 0.10 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
2.25 4 0.10 E 41 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
ADUB1PN SHZ 01 A 26.1 237 108 PU 7.28 5.04 4.92 0.00 0.12 1.23 W 1.000 0.00 54.0 3.00 E
MTUMZPN SHZ 01 A 28.8 210 107 PU 7.44 5.20 5.34 0.00 -0.14 1.23 W 1.000 0.00 21.0 2.11 E
B058 PB EHZ -- A 65.7 167 97 PU 1 13.55 11.31 11.23 0.00 0.08 0.92 W 1.000 0.00 21.0 2.20 E
B054 PB EHZ -- A 67.4 323 97 PU 3 14.58 12.34 11.50 0.00 0.84* 0.00 W 0.000 0.00 23.0 2.29 E
B057 PB EHZ -- A102.7 315 94 PD 2 19.38 17.14 17.22 0.00 -0.08 0.61 W 1.000 0.00 9.00 4 1.43XE