Errors from USGS Location and Magnitude:
EQPROC = 0.8km (0.5 mi)
HYPO2K = 5.3km (3.3 mi)
Magnitude = -0.1
USGS Report:
Date Time Lat Lon Mag Depth Location
-----------------------------------------------------------------------------------
2023/09/01 01:35:48 37.415 -121.790 M2.6 2.1 6 km NNE of Alum Rock, CA
EQPROC Summary:
2520 2023Sep 1 135 48.94 37.4167 -121.7813 8.93 0.01 25.7 57.2 202 5
ADUB1 SHZ PN 01 2023Sep 1 135 54.05 P U0 25.7 -0.00
MTUMZ SHZ PN 01 2023Sep 1 135 54.81 P D3 31.0 -0.12
B057 EHZ PB -- 2023Sep 1 136 5.31 P U0 96.9 -0.00
B054 EHZ PB -- 2023Sep 1 136 0.06 P U0 61.6 -0.00
B058 EHZ PB -- 2023Sep 1 136 1.50 P U2 70.8 -0.00
HYPO2K Report:
YEAR MO DA --ORIGIN-- --LAT N- --LON W-- DEPTH-M RMS ERH ERZ XMAG1 FMAG1 PMAG GEOID-DEP
2023-09-01 0135 49.37 37 23.443 121W50.804 18.09 0.02 1.39 0.79 2.68 2.68E 18.05
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 19.8 Emb 190 7 5 5 0 5 5 0.54 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
2.68 5 0.54 E 33 5 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 19.8 217 130 PU 54.05 4.68 4.67 0.00 0.01 1.33 W 0.972 0.00 63.0 3.22 E
MTUMZPN SHZ 01 A 26.7 190 122 PD 3 54.81 5.44 5.58 0.00 -0.14 0.33 W 0.063 0.00 22.0 2.25 E
B054 PB EHZ -- A 60.7 330 105 PU 60.06 10.69 10.69 0.00 -0.00 1.33 W 0.999 0.00 31.0 2.68 E
B058 PB EHZ -- A 69.7 160 103 PU 2 61.50 12.13 12.11 0.00 0.02 0.67 W 0.965 0.00 19.0 2.22 E
B057 PB EHZ -- A 94.9 319 66 PU 65.31 15.94 15.94 0.00 -0.00 1.33 W 0.999 0.00 27.0 2.59 E