Errors from USGS Location and Magnitude:
EQPROC = 2.7km (1.7 mi)
HYPO2K = 3.4km (2.1 mi)
Magnitude = -0.9
USGS Report:
Date Time Lat Lon Mag Depth Location
-----------------------------------------------------------------------------------
2026/09/27 14:21:50 37.418 -121.455 M3.5 2.4 27 km WSW of Westley, CA
EQPROC Summary:
3025 2026Sep27 1421 51.11 37.4097 -121.4838 12.47 0.15 34.5 76.7 141 10
MTUMZ SHZ PN 01 2026Sep27 1421 59.72 P ?0 46.3 -0.04
RE9A7 EHZ AM 00 2026Sep27 1421 57.81 P D0 34.5 -0.00
ADUB1 SHZ PN 01 2026Sep27 1421 59.93 P U0 47.4 -0.00
GLFBZ SHZ PN 01 2026Sep27 1422 1.34 P D1 59.0 -0.30
ATZ SHZ PN 01 2026Sep27 1422 2.32 P U1 60.3 0.48
LCGPZ SHZ PN 01 2026Sep27 1422 4.21 P U2 67.5 1.33
B058 EHZ PB -- 2026Sep27 1422 3.00 P D1 68.3 -0.00
B054 EHZ PB -- 2026Sep27 1422 4.79 P U0 80.6 -0.00
B057 EHZ PB -- 2026Sep27 1422 9.77 PnU0 117.6 -0.07
B073 EHZ PB -- 2026Sep27 1422 20.39 Pg?3 185.5 0.28
HYPO2K Report:
YEAR MO DA --ORIGIN-- --LAT N- --LON W-- DEPTH-M RMS ERH ERZ XMAG1 FMAG1 PMAG GEOID-DEP
2026-09-27 1421 51.02 37 25.578 121W29.287 23.48 0.20 1.34 4.73 4.38 4.38E 23.46
SOURCE
NSTA NPHS DMIN MODEL GAP ITR NFM NWR NWS NVR REMRKS-AVH N.XMG-XMMAD-T N.FMG-FMMAD-T L F X
10 10 32.7 Emb 176 8 8 8 0 10 9 0.26 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
4.38 9 0.26 E 24 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
RE9A7AM EHZ 00 A 32.7 11 117 PD 57.81 6.79 6.78 0.00 0.01 1.10 W 0.989 0.00 179 1 4.38 E
MTUMZPN SHZ 01 A 47.3 231 106 P 59.72 8.70 8.81 0.00 -0.11 1.10 W 0.405 0.00 43.0 3.06 E
ADUB1PN SHZ 01 A 47.9 246 105 PU 59.93 8.91 8.90 0.00 0.01 1.10 W 0.445 0.00 223 4.64 E
GLFBZPN SHZ 01 A 58.7 273 100 PD 1 61.34 10.32 10.47 0.00 -0.15 0.83 W 0.192 0.00 67.0 1 3.50 E
ATZ PN SHZ 01 A 61.7 217 99 PU 1 62.32 11.30 10.90 0.00 0.40 0.83 W 0.239 0.00 166 4.38 E
LCGPZPN SHZ 01 A 67.1 277 97 PU 2 64.21 13.19 11.70 0.00 1.49* 0.00 W 0.000 0.00 42.0 3.06 E
B058 PB EHZ -- A 70.0 187 96 PD 1 63.00 11.98 12.14 0.00 -0.16 0.83 W 0.783 0.00 47.0 3.17 E
B054 PB EHZ -- A 79.1 308 95 PU 64.79 13.77 13.49 0.00 0.28 1.10 W 0.419 0.00 63.0 3.46 E
B057 PB EHZ -- A116.1 306 92 PU 69.77 18.75 18.99 0.00 -0.24 1.10 W 0.523 0.00 51.0 3.30 E
B073 PB EHZ -- A187.7 150 54 P 3 80.39 29.37 28.52 0.00 0.85* 0.00 W 0.000 0.00 1.00 4