Errors from USGS Location and Magnitude:
EQPROC = 3.9km (2.4 mi)
HYPO2K = 9.6km (5.9 mi)
Magnitude = -0.6
USGS Report:
Date Time Lat Lon Mag Depth Location
-----------------------------------------------------------------------------------
2025/07/31 04:28:00 37.168 -122.489 M3.3 13.7 33 km WNW of Boulder Creek, CA
EQPROC Summary:
2801 2025Jul31 428 0.68 37.2006 -122.4716 19.11 0.02 38.7 86.8 227 8
ADUB1 SHZ PN 01 2025Jul31 428 8.72 P D2 43.7 -0.09
LCGPZ SHZ PN 01 2025Jul31 428 8.10 P D0 38.7 -0.00
GLFBZ SHZ PN 01 2025Jul31 428 8.18 P U0 39.2 0.01
ATZ SHZ PN 01 2025Jul31 428 10.63 P U0 56.3 -0.00
RE9A7 EHZ AM 00 2025Jul31 428 17.77 P ?1 109.3 -0.00
B057 EHZ PB -- 2025Jul31 428 15.86 PgD0 92.2 -0.00
B058 EHZ PB -- 2025Jul31 428 15.53 PgU0 90.4 -0.06
B073 EHZ PB -- 2025Jul31 428 33.05 Pn?1 224.9 0.55
HYPO2K Report:
YEAR MO DA --ORIGIN-- --LAT N- --LON W-- DEPTH-M RMS ERH ERZ XMAG1 FMAG1 PMAG GEOID-DEP
2025-07-31 0428 0.57 37 13.634 122W24.526 31.92 0.03 1.01 1.01 3.85 3.85E 31.92
SOURCE
NSTA NPHS DMIN MODEL GAP ITR NFM NWR NWS NVR REMRKS-AVH N.XMG-XMMAD-T N.FMG-FMMAD-T L F X
8 8 33.2 Emb 230 11 6 7 0 8 5 0.05 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
3.85 5 0.05 E 5 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
GLFBZPN SHZ 01 A 33.2 43 129 PU 8.18 7.61 7.56 0.00 0.05 1.28 W 0.462 0.00 62.0 3.48 E
LCGPZPN SHZ 01 A 33.4 26 129 PD 8.10 7.53 7.58 0.00 -0.05 1.28 W 0.463 0.00 98.0 1 3.92 E
ADUB1PN SHZ 01 A 38.1 86 125 PD 2 8.72 8.15 8.13 0.00 0.02 0.64 W 0.109 0.00 94.0 1 3.91 E
ATZ PN SHZ 01 A 53.1 121 115 PU 10.63 10.06 10.07 0.00 -0.01 1.28 W 0.513 0.00 37.0 4 3.04XE
B058 PB EHZ -- A 87.7 122 103 PU 15.53 14.96 14.96 0.00 0.00 1.28 W 0.579 0.00 45.0 3.26 E
B057 PB EHZ -- A 89.9 352 102 PD 15.86 15.29 15.28 0.00 0.01 1.28 W 0.953 0.00 45.0 3.27 E
RE9A7AM EHZ 00 A103.1 58 100 P 1 17.77 17.20 17.22 0.00 -0.02 0.96 W 0.918 0.00 3.00 4 0.67XE
B073 PB EHZ -- A224.2 128 54 P 1 33.05 32.48 32.26 0.00 0.22 0.01 W 0.000 0.00 3.00 4 0.80XE