Event Number 2824

M3.2 km NNW of Lafayette, CA - 2025/10/26 14:29:12 37.945 -122.151 M3.2 15.9 7 km NNW of Lafayette, CA at 2025/10/26 14:29:12 UTC / 2025/10/26 07:29:12 PDT

Error Map and Stations Used to Locate Event

Errors from USGS Location and Magnitude:

EQPROC = 8.7km (5.4 mi)
HYPO2K = 11.7km (7.3 mi) Magnitude = 0.4

USGS Report:

Date       Time       Lat    Lon      Mag    Depth                Location   
-----------------------------------------------------------------------------------
2025/10/26 14:29:12  37.945 -122.151  M3.2  15.9 7 km NNW of Lafayette, CA

EQPROC Summary:

2824 2025Oct26 1429 11.86  38.0161 -122.1099  8.25 0.07 19.0 66.5 249  4
GLFBZ SHZ PN 01 2025Oct26 1429 23.50 P ?0  63.6   0.19
B057  EHZ PB -- 2025Oct26 1429 19.37 P U0  40.2  -0.00
B058  EHZ PB -- 2025Oct26 1429 33.61 P D3 143.0  -0.69
B054  EHZ PB -- 2025Oct26 1429 15.82 P D0  19.0  -0.03

HYPO2K Report:

 YEAR MO DA  --ORIGIN--  --LAT N-  --LON W--  DEPTH-M RMS   ERH   ERZ  XMAG1 FMAG1 PMAG GEOID-DEP
 2025-10-26  1429 11.93  38  2.238 122W 5.138  7.72  0.41 17.28 21.46        2.81  2.81E    7.71
                                                                                          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  22.1  Emb  252   7   3   4   0   4      -                          3  1.40 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
                                                     2.81      3  1.40 E     14  3  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
 B054 PB EHZ -- A 22.1 208 105  PD    15.82  3.89  4.18 0.00 -0.29  1.23  W  1.000 0.00 45.0   2.79 E                        
 B057 PB EHZ -- A 42.1 269  98  PU    19.37  7.44  7.39 0.00  0.05  1.23  W  1.000 0.00 41.0   2.82 E                        
 GLFBZPN SHZ 01 A 66.0 186  95  P     23.50 11.57 11.25 0.00  0.32  1.23  W  0.999 0.00 43.0   2.89 E                        
 B058 PB EHZ -- A144.5 161  92  PD 3  33.61 21.68 23.98 0.00 -2.30* 0.31  W  1.000 0.00 1.00 4                               

Event Files: October 2025