Errors from USGS Location and Magnitude:
EQPROC = 0.9km (0.6 mi)
HYPO2K = 2.1km (1.3 mi)
Magnitude = 0.4
USGS Report:
Date Time Lat Lon Mag Depth Location
-----------------------------------------------------------------------------------
2023/09/23 15:57:47 37.423 -121.299 M3.3 1.8 16 km WSW of Patterson, CA
EQPROC Summary:
2539 2023Sep23 1557 48.36 37.4149 -121.2968 8.43 0.02 35.0 95.3 174 6
RE9A7 EHZ AM 00 2023Sep23 1557 55.01 P D0 35.0 0.00
MTUMZ SHZ PN 01 2023Sep23 1557 59.29 P D2 60.5 0.00
B054 EHZ PB -- 2023Sep23 1558 4.32 P U1 93.8 0.00
B057 EHZ PB -- 2023Sep23 1558 8.74 P U2 131.0 -0.51
B058 EHZ PB -- 2023Sep23 1558 1.26 P D1 72.8 0.00
B073 EHZ PB -- 2023Sep23 1558 16.11 PgU3 178.6 -0.60
HYPO2K Report:
YEAR MO DA --ORIGIN-- --LAT N- --LON W-- DEPTH-M RMS ERH ERZ XMAG1 FMAG1 PMAG GEOID-DEP
2023-09-23 1557 48.31 37 25.511 121W16.214 17.92 0.05 1.20 0.68 2.94 2.94E 17.88
SOURCE
NSTA NPHS DMIN MODEL GAP ITR NFM NWR NWS NVR REMRKS-AVH N.XMG-XMMAD-T N.FMG-FMMAD-T L F X
6 6 34.7 Emb 177 8 6 5 0 6 5 1.33 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
2.94 5 1.33 E 40 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
RE9A7AM EHZ 00 A 34.7 339 115 PD 55.01 6.70 6.70 0.00 0.00 1.54 W 0.999 0.00 171 2 4.27 E
MTUMZPN SHZ 01 A 63.3 242 104 PD 2 59.29 10.98 11.09 0.00 -0.11 0.77 W 0.551 0.00 33.0 2.74 E
B058 PB EHZ -- A 74.7 202 102 PD 1 61.26 12.95 12.90 0.00 0.05 1.15 W 0.802 0.00 43.0 3.01 E
B054 PB EHZ -- A 95.2 301 66 PU 1 64.32 16.01 15.99 0.00 0.02 1.15 W 0.950 0.00 49.0 3.16 E
B057 PB EHZ -- A132.3 301 66 PU 2 68.74 20.43 21.53 0.00 -1.10* 0.00 W 0.000 0.00 43.0 3.07 E
B073 PB EHZ -- A178.9 156 48 PU 3 76.11 27.80 27.98 0.00 -0.18 0.38 W 0.696 0.00 1.00 4