Errors from USGS Location and Magnitude:
EQPROC = 2.8km (1.8 mi)
HYPO2K = 2.1km (1.3 mi)
Magnitude = 0.2
USGS Report:
Date Time Lat Lon Mag Depth Location
-----------------------------------------------------------------------------------
2020/08/31 10:26:34 37.354 -121.712 M1.9 7.5 10km E of Alum Rock, CA
EQPROC Summary:
1946 2020Aug31 1026 34.09 37.3768 -121.6980 5.48 0.17 28.8 55.4 217 5
MTUMZ SHZ PN 01 2020Aug31 1026 39.57 P D0 30.4 -0.34
ADUB1 SHZ PN 01 2020Aug31 1026 39.62 P U0 28.8 -0.00
ATZ SHZ PN 01 2020Aug31 1026 42.99 P ?0 47.7 0.16
B057 EHZ PB -- 2020Aug31 1026 51.94 P ?3 105.3 -0.04
B058 EHZ PB -- 2020Aug31 1026 45.51 P D3 65.0 -0.24
HYPO2K Report:
YEAR MO DA --ORIGIN-- --LAT N- --LON W-- DEPTH-M RMS ERH ERZ XMAG1 FMAG1 PMAG GEOID-DEP
2020-08-31 1026 34.77 37 22.264 121W43.793 5.42 0.23 4.21 19.13 1.74 1.74E 5.39
SOURCE
NSTA NPHS DMIN MODEL GAP ITR NFM NWR NWS NVR REMRKS-AVH N.XMG-XMMAD-T N.FMG-FMMAD-T L F X
5 5 26.1 Emb 213 5 3 5 0 5 - 3 0.86 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
1.74 3 0.86 E 32 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
ADUB1PN SHZ 01 A 26.1 239 98 PU 39.62 4.85 4.75 0.00 0.10 1.43 W 0.819 0.00 19.0 1.99 E
MTUMZPN SHZ 01 A 28.4 212 97 PD 39.57 4.80 5.12 0.00 -0.32 1.43 W 0.736 0.00 11.0 1.48 E
ATZ PN SHZ 01 A 46.1 200 94 P 42.99 8.22 7.99 0.00 0.23 1.43 W 0.999 0.00 37.0 1 2.72 E
B058 PB EHZ -- A 64.8 168 93 PD 3 45.51 10.74 11.02 0.00 -0.28 0.36 W 0.538 0.00 1.00 4
B057 PB EHZ -- A103.6 315 91 P 3 51.94 17.17 17.33 0.00 -0.16 0.36 W 0.905 0.00 3.00 4 0.36XE