Errors from USGS Location and Magnitude:
EQPROC = 10.9km (6.7 mi)
HYPO2K = 5.5km (3.4 mi)
Magnitude = -0.5
USGS Report:
Date Time Lat Lon Mag Depth Location
-----------------------------------------------------------------------------------
2026/09/27 14:40:46 37.421 -121.455 M2.6 2.7 26 km WSW of Westley, CA
EQPROC Summary:
3026 2026Sep27 1440 46.38 37.3462 -121.3760 7.00 0.23 41.2 68.1 202 6
RE9A7 EHZ AM 00 2026Sep27 1440 54.02 P ?0 41.2 -0.01
MTUMZ SHZ PN 01 2026Sep27 1440 55.75 P U2 50.8 0.10
ADUB1 SHZ PN 01 2026Sep27 1440 56.27 P U1 54.4 -0.00
GLFBZ SHZ PN 01 2026Sep27 1440 59.26 P ?0 69.3 0.48
B058 EHZ PB -- 2026Sep27 1440 59.41 P U2 63.4 1.63
B057 EHZ PB -- 2026Sep27 1441 6.20 PnD3 129.4 -1.03
HYPO2K Report:
YEAR MO DA --ORIGIN-- --LAT N- --LON W-- DEPTH-M RMS ERH ERZ XMAG1 FMAG1 PMAG GEOID-DEP
2026-09-27 1440 47.56 37 22.994 121W24.131 6.99 0.37 3.14 29.59 3.06 3.06E 6.96
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 36.9 Emb 195 14 4 5 0 6 - 5 0.33 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
3.06 5 0.33 E 26 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 36.9 359 98 P 54.02 6.46 6.53 0.00 -0.07 1.33 W 0.999 0.00 76.0 3.39 E
MTUMZPN SHZ 01 A 50.8 240 95 PU 2 55.75 8.19 8.77 0.00 -0.58* 0.67 W 0.427 0.00 23.0 2.27 E
ADUB1PN SHZ 01 A 53.4 254 95 PU 1 56.27 8.71 9.19 0.00 -0.48 1.00 W 0.599 0.00 52.0 3.06 E
GLFBZPN SHZ 01 A 66.6 277 94 P 59.26 11.70 11.34 0.00 0.36 1.33 W 0.980 0.00 18.0 2.05 E
B058 PB EHZ -- A 66.7 194 94 PU 2 59.41 11.85 11.35 0.00 0.50* 0.67 W 0.992 0.00 25.0 2.37 E
B057 PB EHZ -- A125.0 306 92 PD 3 66.20 18.64 20.82 0.00 -2.18* 0.00 W 0.000 0.00 9.00 4 1.45XE