Event Number 2816

M2.5 km ESE of Berkeley, CA - 2025/10/09 10:55:35 37.858 -122.241 M2.5 8.7 3 km ESE of Berkeley, CA at 2025/10/09 10:55:35 UTC / 2025/10/09 03:55:35 PDT

Error Map and Stations Used to Locate Event

Errors from USGS Location and Magnitude:

EQPROC = 25.0km (15.5mi)
HYPO2K = 25.3km (15.7mi) Magnitude = 0.1

USGS Report:

Date       Time       Lat    Lon      Mag    Depth                Location   
-----------------------------------------------------------------------------------
2025/10/09 10:55:35  37.858 -122.241  M2.5   8.7 3 km ESE of Berkeley, CA

EQPROC Summary:

2816 2025Oct 9 1055 32.36  38.0075 -122.0282  1.75 0.01 22.3 68.3 251  5
GLFBZ SHZ PN 01 2025Oct 9 1055 44.08 P ?0  63.5  -0.00
B054  EHZ PB -- 2025Oct 9 1055 37.10 P U0  22.3  -0.00
ATZ   SHZ PN 01 2025Oct 9 1056  7.52 S ?2 114.9   1.16
B058  EHZ PB -- 2025Oct 9 1055 55.71 P D2 139.9   0.40
B057  EHZ PB -- 2025Oct 9 1055 41.37 P U0  47.5  -0.00

HYPO2K Report:

 YEAR MO DA  --ORIGIN--  --LAT N-  --LON W--  DEPTH-M RMS   ERH   ERZ  XMAG1 FMAG1 PMAG GEOID-DEP
 2025-10-09  1055 33.15  38  0.356 122W 1.608  1.73  0.21  4.22 19.54        2.36  2.36E    1.71
                                                                                          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  22.2  Emb  249  12   3   4   0   4      -                          3  1.17 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
                                                     2.36      3  1.17 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 22.2 224  65  PU    37.10  3.95  4.10 0.00 -0.15  1.14  W  0.999 0.00 31.0   2.44 E                        
 B057 PB EHZ -- A 47.4 274  65  PU    41.37  8.22  8.19 0.00  0.03  1.14  W  0.999 0.00 23.0   2.27 E                        
 GLFBZPN SHZ 01 A 63.2 191  65  P     44.08 10.93 10.77 0.00  0.16  1.14  W  1.000 0.00 15.0   1.87 E                        
 B058 PB EHZ -- A139.6 163  65  PD 2  55.71 22.56 23.19 0.00 -0.63* 0.57  W  1.000 0.00 1.00 4                               

Event Files: October 2025