Errors from USGS Location and Magnitude:
EQPROC = 38.6km (24.0mi)
HYPO2K = 26.6km (16.5mi)
Magnitude = -0.1
USGS Report:
Date Time Lat Lon Mag Depth Location
-----------------------------------------------------------------------------------
2025/08/09 11:54:54 37.322 -121.686 M2.2 7.0 13 km ESE of Alum Rock, CA
EQPROC Summary:
2802 2025Aug 9 1154 56.81 37.2105 -122.0986 14.68 0.16 11.2 46.6 190 6
ADUB1 SHZ PN 01 2025Aug 9 1155 0.27 P U0 11.2 -0.00
GLFBZ SHZ PN 01 2025Aug 9 1155 2.36 P ?1 26.4 -0.00
ATZ SHZ PN 01 2025Aug 9 1155 3.13 P ?0 31.3 0.03
RE9A7 EHZ AM 00 2025Aug 9 1155 24.80 S ?0 82.3 4.36
B057 EHZ PB -- 2025Aug 9 1155 13.14 P U2 99.7 0.13
B058 EHZ PB -- 2025Aug 9 1155 5.31 P D2 64.6 -2.66
HYPO2K Report:
YEAR MO DA --ORIGIN-- --LAT N- --LON W-- DEPTH-M RMS ERH ERZ XMAG1 FMAG1 PMAG GEOID-DEP
2025-08-09 1154 56.58 37 15.691 121W58.030 21.11 0.02 6.09 1.02 2.28 2.28E 21.11
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 2.0 Emb 200 7 3 4 0 5 - 4 2.28 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
2.28 4 2.28 E 6 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 2.0 217 174 PU 60.27 3.69 3.69 0.00 0.00 1.24 W 1.000 0.00 37.0 2.64 E
GLFBZPN SHZ 01 A 26.0 322 120 P 1 62.36 5.78 5.74 0.00 0.04 0.93 W 0.999 0.00 15.0 1.92 E
ATZ PN SHZ 01 A 32.0 169 113 P 63.13 6.55 6.54 0.00 0.01 1.24 W 1.000 0.00 52.0 3.15 E
B058 PB EHZ -- A 61.7 146 93 PD 2 65.31 8.73 10.87 0.00 -2.14* 0.00 W 0.000 0.00 15.0 2.02 E
B057 PB EHZ -- A100.1 329 91 PU 2 73.14 16.56 16.60 0.00 -0.04 0.60 W 1.000 0.00 3.00 4 0.51XE