Errors from USGS Location and Magnitude:
EQPROC = 53.8km (33.4mi)
HYPO2K = 47.4km (29.5mi)
Magnitude = 0.4
USGS Report:
Date Time Lat Lon Mag Depth Location
-----------------------------------------------------------------------------------
2023/10/15 18:55:12 37.284 -121.657 M2.1 5.9 16 km E of Seven Trees, CA
EQPROC Summary:
2551 2023Oct15 1855 11.35 37.0467 -122.1849 3.00 0.09 28.0 73.1 226 4
MTUMZ SHZ PN 01 2023Oct15 1855 16.83 P U3 28.0 -0.00
B054 EHZ PB -- 2023Oct15 1855 27.34 P ?0 90.4 0.00
B058 EHZ PB -- 2023Oct15 1855 22.25 P U3 60.0 -0.00
B057 EHZ PB -- 2023Oct15 1855 31.62 P D2 114.0 0.89
HYPO2K Report:
YEAR MO DA --ORIGIN-- --LAT N- --LON W-- DEPTH-M RMS ERH ERZ XMAG1 FMAG1 PMAG GEOID-DEP
2023-10-15 1855 12.66 37 4.381 122W 7.032 2.97 0.07 2.35 10.22 1.73 1.73E 2.91
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 21.5 Emb 218 5 3 4 0 4 - 2 1.72 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
1.73 2 1.72 E 52 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
MTUMZPN SHZ 01 A 21.5 65 92 PU 3 16.83 4.17 3.96 0.00 0.21 0.46 W 0.999 0.00 15.0 1.73 E
B058 PB EHZ -- A 56.6 122 91 PU 3 22.25 9.59 9.69 0.00 -0.10 0.51 W 0.999 0.00 13.0 1.73 E
B054 PB EHZ -- A 87.7 356 90 P 27.34 14.68 14.72 0.00 -0.04 2.02 W 1.000 0.00 5.00 4 0.84XE
B057 PB EHZ -- A113.1 340 90 PD 2 31.62 18.96 18.85 0.00 0.11 1.01 W 0.999 0.00 3.00 4 0.37XE