Errors from USGS Location and Magnitude:
EQPROC = 28.9km (18.0mi)
HYPO2K = 23.8km (14.8mi)
Magnitude = -0.2
USGS Report:
Date Time Lat Lon Mag Depth Location
-----------------------------------------------------------------------------------
2026/07/31 20:02:42 36.966 -121.450 M2.9 5.4 11 km ESE of Gilroy, CA
EQPROC Summary:
2996 2026Jul31 2002 46.39 37.0546 -121.7556 10.60 0.08 15.2 57.3 260 6
MTUMZ SHZ PN 01 2026Jul31 2002 50.01 P D0 16.6 -0.14
ATZ SHZ PN 01 2026Jul31 2002 49.88 P U0 15.2 -0.06
ADUB1 SHZ PN 01 2026Jul31 2002 52.14 P U0 29.2 0.00
GLFBZ SHZ PN 01 2026Jul31 2002 56.58 P D0 55.7 0.03
B054 EHZ PB -- 2026Jul31 2003 2.79 P D1 97.7 0.06
B057 EHZ PB -- 2026Jul31 2003 8.12 PgD1 129.6 0.73
HYPO2K Report:
YEAR MO DA --ORIGIN-- --LAT N- --LON W-- DEPTH-M RMS ERH ERZ XMAG1 FMAG1 PMAG GEOID-DEP
2026-07-31 2002 46.10 37 2.806 121W41.340 3.74 0.14 4.53 13.02 3.06 3.06E 3.71
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 20.2 Emb 274 7 6 6 0 6 - 3 1.53 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 3 1.53 E 30 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
ATZ PN SHZ 01 A 20.2 248 95 PU 49.88 3.78 3.76 0.00 0.02 1.28 W 0.999 0.00 23.0 4 2.14XE
MTUMZPN SHZ 01 A 22.0 303 94 PD 50.01 3.91 4.05 0.00 -0.14 1.28 W 0.884 0.00 31.0 2.43 E
ADUB1PN SHZ 01 A 34.1 311 93 PU 52.14 6.04 6.03 0.00 0.01 1.28 W 0.382 0.00 105 3.69 E
GLFBZPN SHZ 01 A 60.3 318 91 PD 56.58 10.48 10.27 0.00 0.21 1.28 W 0.712 0.00 3.00 4 0.32XE
B054 PB EHZ -- A100.9 334 91 PD 1 62.79 16.69 16.91 0.00 -0.22 0.74 W 0.990 0.00 37.0 2 2.78 E
B057 PB EHZ -- A133.6 325 90 PD 1 68.12 22.02 22.19 0.00 -0.17 0.15 W 0.030 0.00 9.00 4 1.46XE