Errors from USGS Location and Magnitude:
EQPROC = 0.5km (0.3 mi)
HYPO2K = 1.9km (1.2 mi)
Magnitude = 0.6
USGS Report:
Date Time Lat Lon Mag Depth Location
-----------------------------------------------------------------------------------
2025/05/27 10:07:40 37.593 -122.461 M2.0 9.1 3 km SE of Pacifica, CA
EQPROC Summary:
2783 2025May27 1007 40.97 37.5898 -122.4569 6.00 0.00 21.7 35.1 228 5
LCGPZ SHZ PN 01 2025May27 1007 45.31 P ?3 21.7 -0.01
GLFBZ SHZ PN 01 2025May27 1007 46.96 P ?0 31.4 0.00
RE9A7 EHZ AM 00 2025May27 1008 11.93 S ?0 92.9 3.38
B054 EHZ PB -- 2025May27 1007 48.01 P ?1 37.7 -0.00
B057 EHZ PB -- 2025May27 1007 50.02 P ?1 49.5 -0.00
HYPO2K Report:
YEAR MO DA --ORIGIN-- --LAT N- --LON W-- DEPTH-M RMS ERH ERZ XMAG1 FMAG1 PMAG GEOID-DEP
2025-05-27 1007 41.43 37 35.301 122W26.959 6.00 0.01 1.30 8.02 1.45 1.45E 5.99
SOURCE
NSTA NPHS DMIN MODEL GAP ITR NFM NWR NWS NVR REMRKS-AVH N.XMG-XMMAD-T N.FMG-FMMAD-T L F X
4 4 21.0 Emb 228 5 0 4 0 4 - 4 1.45 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
1.45 4 1.45 E 11 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
LCGPZPN SHZ 01 A 21.0 118 101 P 3 45.31 3.88 3.96 0.00 -0.08 0.36 W 0.999 0.00 13.0 1.59 E
GLFBZPN SHZ 01 A 30.8 121 97 P 46.96 5.53 5.52 0.00 0.01 1.45 W 0.999 0.00 9.00 1.30 E
B054 PB EHZ -- A 37.4 36 96 P 1 48.01 6.58 6.58 0.00 -0.00 1.09 W 0.999 0.00 13.0 1.69 E
B057 PB EHZ -- A 49.8 349 94 P 1 50.02 8.59 8.59 0.00 0.00 1.09 W 1.000 0.00 13.0 1.72 E