Event Number 2918

M3.3 km SE of San Ramon, CA - 2026/03/02 07:21:12 37.755 -121.938 M3.3 8.4 4 km SE of San Ramon, CA at 2026/03/02 07:21:12 UTC / 2026/03/01 23:21:12 PDT

Error Map and Stations Used to Locate Event


   

   





Errors from USGS Location and Magnitude:

EQPROC =  3.6km (2.3 mi)

HYPO2K =  5.4km (3.3 mi)
Magnitude = -0.0


USGS Report:


Date       Time       Lat    Lon      Mag    Depth                Location   
-----------------------------------------------------------------------------------
2026/03/02 07:21:12  37.755 -121.938  M3.3   8.4 4 km SE of San Ramon, CA



EQPROC Summary:


2918 2026Mar 2  721 13.16  37.7582 -121.9790  6.37 0.11 22.5 57.9 155  8
GLFBZ SHZ PN 01 2026Mar 2  721 20.16 P U0  38.0  -0.10
RE9A7 EHZ AM 00 2026Mar 2  721 22.27 P D3  49.9   0.00
LCGPZ SHZ PN 01 2026Mar 2  721 20.17 P D1  37.1   0.06
ADUB1 SHZ PN 01 2026Mar 2  721 23.44 P D0  56.8   0.00
ATZ   SHZ PN 01 2026Mar 2  721 28.30 P D0  87.0   0.00
B054  EHZ PB -- 2026Mar 2  721 17.66 P U0  22.5   0.00
B058  EHZ PB -- 2026Mar 2  721 30.82 P ?3 112.2  -1.06
B057  EHZ PB -- 2026Mar 2  721 23.45 P U0  59.8  -0.50



HYPO2K Report:


 YEAR MO DA  --ORIGIN--  --LAT N-  --LON W--  DEPTH-M RMS   ERH   ERZ  XMAG1 FMAG1 PMAG GEOID-DEP
 2026-03-02  0721 13.48  37 45.828 121W59.887 10.82  0.07  1.23  3.02        3.34  3.34E   10.81
                                                                                          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  20.7  Emb  153   6   7   7   0   8                                 8  0.54 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
                                                     3.34      8  0.54 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 20.7 302 114  PU    17.66  4.18  4.15 0.00  0.03  1.17  W  0.918 0.00 69.0   3.21 E                        
 LCGPZPN SHZ 01 A 36.5 216 104  PD 1  20.17  6.69  6.59 0.00  0.10  0.88  W  0.370 0.00 78.0   3.42 E                        
 GLFBZPN SHZ 01 A 37.9 201 103  PU    20.16  6.68  6.80 0.00 -0.12  1.17  W  0.431 0.00 69.0 1 3.31 E                        
 RE9A7AM EHZ 00 A 51.5  95 100  PD 3  22.27  8.79  8.97 0.00 -0.18  0.29  W  0.468 0.00  173 2 4.23 E                        
 ADUB1PN SHZ 01 A 57.3 178  99  PD    23.44  9.96  9.91 0.00  0.05  1.17  W  0.358 0.00  116 1 3.85 E                        
 B057 PB EHZ -- A 57.8 301  98  PU    23.45  9.97  9.99 0.00 -0.02  1.17  W  0.972 0.00 59.0   3.20 E                        
 ATZ  PN SHZ 01 A 87.6 174  95  PD    28.30 14.82 14.79 0.00  0.03  1.17  W  0.480 0.00  183   4.32 E                        
 B058 PB EHZ -- A113.2 160  94  P  3  30.82 17.34 18.94 0.00 -1.60* 0.00  W  0.000 0.00 53.0   3.15 E                        



Event Files: March 2026