Errors from USGS Location and Magnitude:
EQPROC = 1.6km (1.0 mi)
HYPO2K = 0.8km (0.5 mi)
Magnitude = 0.5
USGS Report:
Date Time Lat Lon Mag Depth Location
-----------------------------------------------------------------------------------
2023/09/23 06:59:24 37.315 -122.072 M2.1 5.5 4 km WSW of Cupertino, CA
EQPROC Summary:
2537 2023Sep23 659 24.68 37.3074 -122.0872 3.22 0.01 24.0 62.2 191 4
MTUMZ SHZ PN 01 2023Sep23 659 29.43 P ?1 24.0 -0.01
B054 EHZ PB -- 2023Sep23 659 35.93 P U0 62.2 0.01
B058 EHZ PB -- 2023Sep23 659 37.60 P U2 72.0 0.02
B057 EHZ PB -- 2023Sep23 659 40.36 P D3 90.4 -0.27
HYPO2K Report:
YEAR MO DA --ORIGIN-- --LAT N- --LON W-- DEPTH-M RMS ERH ERZ XMAG1 FMAG1 PMAG GEOID-DEP
2023-09-23 0659 25.30 37 18.486 122W 4.253 3.21 0.10 5.92 11.46 1.60 1.60E 3.18
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 23.1 Emb 190 15 3 4 0 4 - 1 0.00 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
1.60 1 0.00 E 39 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
MTUMZPN SHZ 01 A 23.1 138 93 P 1 29.43 4.13 4.23 0.00 -0.10 1.20 W 1.000 0.00 13.0 1.60 E
B054 PB EHZ -- A 62.3 350 91 PU 35.93 10.63 10.61 0.00 0.02 1.60 W 1.000 0.00 3.00 4 0.32XE
B058 PB EHZ -- A 71.3 142 91 PU 2 37.60 12.30 12.08 0.00 0.22 0.80 W 1.000 0.00 1.00 4
B057 PB EHZ -- A 91.0 332 90 PD 3 40.36 15.06 15.26 0.00 -0.20 0.40 W 1.000 0.00 3.00 4 0.35XE