Errors from USGS Location and Magnitude:
EQPROC = 3.6km (2.3 mi)
HYPO2K = 5.2km (3.2 mi)
Magnitude = 0.1
USGS Report:
Date Time Lat Lon Mag Depth Location
-----------------------------------------------------------------------------------
2020/06/23 03:09:20 37.384 -122.267 M2.8 9.4 3km W of Portola Valley, CA
EQPROC Summary:
1898 2020Jun23 309 19.92 37.3822 -122.3080 10.16 0.03 14.1 47.7 207 7
LCGPZ SHZ PN 01 2020Jun23 309 23.12 P ?3 14.1 -0.14
JCPZ SHZ PN 01 2020Jun23 309 24.64 P ?0 22.9 0.01
ADUB1 SHZ PN 01 2020Jun23 309 26.22 P U0 32.6 0.00
MTUMZ SHZ PN 01 2020Jun23 309 27.79 P U3 44.3 -0.37
B054 EHZ PB -- 2020Jun23 309 29.79 P D3 54.0 0.01
B057 EHZ PB -- 2020Jun23 309 33.02 P D0 75.2 0.00
B058 EHZ PB -- 2020Jun23 309 34.98 P U2 91.2 -0.37
HYPO2K Report:
YEAR MO DA --ORIGIN-- --LAT N- --LON W-- DEPTH-M RMS ERH ERZ XMAG1 FMAG1 PMAG GEOID-DEP
2020-06-23 0309 20.26 37 22.43 122W19.49 5.06 0.03 2.27 6.72 2.70 2.70E 5.03
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 15.6 Emb 230 8 5 5 0 7 - 6 0.28 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
2.70 6 0.28 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
LCGPZPN SHZ 01 A 15.6 28 102 P 3 23.12 2.86 3.05 0.00 -0.19 0.43 W 0.251 0.00 63.0 3.08 E
JCPZ PN SHZ 01 A 23.8 0 97 P 24.64 4.38 4.37 0.00 0.01 1.71 W 0.864 0.00 41.0 2.72 E
ADUB1PN SHZ 01 A 33.6 114 95 PU 26.22 5.96 5.96 0.00 0.00 1.71 W 0.999 0.00 63.0 3.19 E
MTUMZPN SHZ 01 A 45.1 122 94 PU 3 27.79 7.53 7.82 0.00 -0.29 0.01 W 0.000 0.00 23.0 2.26 E
B054 PB EHZ -- A 55.1 11 93 PD 3 29.79 9.53 9.44 0.00 0.09 0.43 W 0.941 0.00 35.0 2.68 E
B057 PB EHZ -- A 75.6 344 92 PD 33.02 12.76 12.76 0.00 0.00 1.71 W 0.943 0.00 29.0 2.52 E
B058 PB EHZ -- A 91.9 133 91 PU 2 34.98 14.72 15.41 0.00 -0.69* 0.00 W 0.000 0.00 3.00 4 0.35XE