Event Number 2805

M2.6 km ESE of Berkeley, CA - 2025/08/31 12:05:37 37.865 -122.244 M2.6 10.3 3 km ESE of Berkeley, CA at 2025/08/31 12:05:37 UTC / 2025/08/31 05:05:37 PDT

Error Map and Stations Used to Locate Event

Errors from USGS Location and Magnitude:

EQPROC = 1.0km (0.7 mi)
HYPO2K = 19.2km (11.9mi) Magnitude = 0.1

USGS Report:

Date       Time       Lat    Lon      Mag    Depth                Location   
-----------------------------------------------------------------------------------
2025/08/31 12:05:37  37.865 -122.244  M2.6  10.3 3 km ESE of Berkeley, CA

EQPROC Summary:

2805 2025Aug31 1205 37.03  37.8742 -122.2467 11.74 0.08  4.4 60.8 169  6
LCGPZ SHZ PN 01 2025Aug31 1205 44.92 P ?0  41.9  -0.00
GLFBZ SHZ PN 01 2025Aug31 1205 46.24 P ?0  48.5   0.23
ATZ   SHZ PN 01 2025Aug31 1205 55.10 P ?2 104.2   0.97
B054  EHZ PB -- 2025Aug31 1205 39.45 P U0   4.4  -0.00
B058  EHZ PB -- 2025Aug31 1205 57.81 P U1 133.1  -0.00
B057  EHZ PB -- 2025Aug31 1205 43.43 P U0  32.9  -0.00

HYPO2K Report:

 YEAR MO DA  --ORIGIN--  --LAT N-  --LON W--  DEPTH-M RMS   ERH   ERZ  XMAG1 FMAG1 PMAG GEOID-DEP
 2025-08-31  1205 35.54  37 58.279 122W 4.925 16.19  0.23  7.75  3.35        2.50  2.50E   16.18
                                                                                          SOURCE
 NSTA NPHS  DMIN MODEL GAP ITR NFM NWR NWS NVR REMRKS-AVH  N.XMG-XMMAD-T   N.FMG-FMMAD-T  L F X
    6    6  16.1  Emb  242   7   3   5   0   6                                 5  0.30 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
                                                     2.50      5  0.30 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
 B054 PB EHZ -- A 16.1 220 133  PU    39.45  3.91  4.02 0.00 -0.11  1.05  W  0.944 0.00 43.0   2.80 E                        
 B057 PB EHZ -- A 42.9 279 108  PU    43.43  7.89  7.83 0.00  0.06  1.05  W  0.986 0.00 27.0   2.50 E                        
 LCGPZPN SHZ 01 A 54.5 195 105  P     44.92  9.38  9.63 0.00 -0.25  1.05  W  0.743 0.00 23.0   2.36 E                        
 GLFBZPN SHZ 01 A 58.8 186 103  P     46.24 10.70 10.31 0.00  0.39  1.05  W  0.373 0.00 23.0   2.36 E                        
 ATZ  PN SHZ 01 A111.4 171  66  P  2  55.10 19.56 18.53 0.00  1.03* 0.00  W  0.000 0.00 77.0   3.59 E                        
 B058 PB EHZ -- A137.4 161  66  PU 1  57.81 22.27 22.41 0.00 -0.14  0.79  W  0.952 0.00 1.00 4                               

Event Files: August 2025