Event Number 2898

M4.3 km ESE of San Ramon, CA - 2026/02/02 15:01:13 37.760 -121.937 M4.3 9.4 4 km ESE of San Ramon, CA at 2026/02/02 15:01:13 UTC / 2026/02/02 07:01:13 PDT

Error Map and Stations Used to Locate Event


   

   





Errors from USGS Location and Magnitude:

EQPROC =  6.0km (3.7 mi)

HYPO2K =  3.4km (2.1 mi)
Magnitude = -0.2


USGS Report:


Date       Time       Lat    Lon      Mag    Depth                Location   
-----------------------------------------------------------------------------------
2026/02/02 15:01:13  37.760 -121.937  M4.3   9.4 4 km ESE of San Ramon, CA



EQPROC Summary:


2898 2026Feb 2 1501 14.76  37.7594 -122.0046 13.05 0.07 20.5 57.6 152  8
GLFBZ SHZ PN 01 2026Feb 2 1501 21.78 P D0  37.3  -0.17
RE9A7 EHZ AM 00 2026Feb 2 1501 23.83 PnU3  52.1  -0.41
LCGPZ SHZ PN 01 2026Feb 2 1501 21.71 P D0  35.8  -0.00
ADUB1 SHZ PN 01 2026Feb 2 1501 24.94 P U0  56.9  -0.00
ATZ   SHZ PN 01 2026Feb 2 1501 29.63 P D0  87.3   0.26
B054  EHZ PB -- 2026Feb 2 1501 19.29 P U0  20.5  -0.00
B058  EHZ PB -- 2026Feb 2 1501 32.46 PnD0 113.0  -0.38
B057  EHZ PB -- 2026Feb 2 1501 25.06 P U0  57.8  -0.00



HYPO2K Report:


 YEAR MO DA  --ORIGIN--  --LAT N-  --LON W--  DEPTH-M RMS   ERH   ERZ  XMAG1 FMAG1 PMAG GEOID-DEP
 2026-02-02  1501 14.03  37 47.273 121W55.399 16.94  0.26  4.92  3.41        4.51  4.51E   16.93
                                                                                          SOURCE
 NSTA NPHS  DMIN MODEL GAP ITR NFM NWR NWS NVR REMRKS-AVH  N.XMG-XMMAD-T   N.FMG-FMMAD-T  L F X
    8    8  25.6  Emb  228   6   8   7   0   8                                 6  4.22 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
                                                     4.51      6  4.22 E     11  5  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 25.6 289 121  PU    19.29  5.26  5.33 0.00 -0.07  1.00  W  0.598 0.00  152 1 4.09 E                        
 LCGPZPN SHZ 01 A 42.8 222 109  PD    21.71  7.68  7.85 0.00 -0.17  1.00  W  0.582 0.00  242   4.63 E                        
 GLFBZPN SHZ 01 A 43.1 208 109  PD    21.78  7.75  7.90 0.00 -0.15  1.00  W  0.373 0.00  210 1 4.49 E                        
 RE9A7AM EHZ 00 A 45.4 100 108  PU 3  23.83  9.80  8.25 0.00  1.55* 0.00  W  0.000 0.00 91.0 4 3.69XE                        
 ADUB1PN SHZ 01 A 60.2 185 104  PU    24.94 10.91 10.56 0.00  0.35  1.00  W  0.619 0.00  555 2 5.45 E                        
 B057 PB EHZ -- A 62.4 296 103  PU    25.06 11.03 10.91 0.00  0.12  1.00  W  0.648 0.00  129   4.04 E                        
 ATZ  PN SHZ 01 A 89.9 178  66  PD    29.63 15.60 15.27 0.00  0.33  1.00  W  0.571 0.00 63.0 4 3.38XE                        
 B058 PB EHZ -- A113.8 164  66  PD    32.46 18.43 18.84 0.00 -0.41  1.00  W  0.606 0.00  117   4.00 E                        



Event Files: Febuary 2026