Errors from USGS Location and Magnitude:
EQPROC = 1.7km (1.1 mi)
HYPO2K = 2.0km (1.2 mi)
Magnitude = 0.2
USGS Report:
Date Time Lat Lon Mag Depth Location
-----------------------------------------------------------------------------------
2025/02/18 09:04:50 37.342 -122.232 M2.5 7.9 5 km S of Portola Valley, CA
EQPROC Summary:
2735 2025Feb18 904 50.29 37.3561 -122.2398 3.00 0.10 12.6 44.7 202 7
GLFBZ SHZ PN 01 2025Feb18 904 53.16 P D0 12.6 0.00
LCGPZ SHZ PN 01 2025Feb18 904 53.69 P D0 15.7 0.01
ADUB1 SHZ PN 01 2025Feb18 904 55.42 P ?0 25.9 0.00
MTUMZ SHZ PN 01 2025Feb18 904 57.85 P U2 37.7 0.44
B057 EHZ PB -- 2025Feb18 905 4.20 P U0 79.9 -0.37
B054 EHZ PB -- 2025Feb18 905 0.54 P ?0 56.1 0.00
B058 EHZ PB -- 2025Feb18 905 4.28 P D2 84.9 -1.13
HYPO2K Report:
YEAR MO DA --ORIGIN-- --LAT N- --LON W-- DEPTH-M RMS ERH ERZ XMAG1 FMAG1 PMAG GEOID-DEP
2025-02-18 0904 50.84 37 21.565 122W13.674 2.85 0.10 1.86 10.19 2.31 2.31E 2.82
SOURCE
NSTA NPHS DMIN MODEL GAP ITR NFM NWR NWS NVR REMRKS-AVH N.XMG-XMMAD-T N.FMG-FMMAD-T L F X
7 7 11.7 Emb 220 6 5 5 0 7 - 6 2.21 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
2.31 6 2.21 E 31 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 11.7 35 95 PD 53.16 2.32 2.37 0.00 -0.05 1.11 W 0.890 0.00 29.0 2.31 E
LCGPZPN SHZ 01 A 15.3 356 93 PD 53.69 2.85 2.96 0.00 -0.11 1.11 W 0.889 0.00 26.0 2.22 E
ADUB1PN SHZ 01 A 25.2 119 92 P 55.42 4.58 4.58 0.00 -0.00 1.11 W 0.996 0.00 47.0 2.86 E
MTUMZPN SHZ 01 A 37.2 127 91 PU 2 57.85 7.01 6.52 0.00 0.49 0.00 W 0.000 0.00 17.0 1 1.95 E
B054 PB EHZ -- A 55.6 2 90 P 60.54 9.70 9.53 0.00 0.17 1.10 W 0.873 0.00 25.0 2.35 E
B057 PB EHZ -- A 79.9 339 90 PU 64.20 13.36 13.46 0.00 -0.10 0.57 W 0.350 0.00 23.0 2.30 E
B058 PB EHZ -- A 84.7 137 90 PD 2 64.28 13.44 14.24 0.00 -0.80* 0.00 W 0.000 0.00 1.00 4