Event Number 2891

M3.0 km N of Pittsburg, CA - 2026/01/25 09:33:57 38.160 -121.889 M3.0 20.4 15 km N of Pittsburg, CA at 2026/01/25 09:33:57 UTC / 2026/01/25 01:33:57 PDT

Error Map and Stations Used to Locate Event

Errors from USGS Location and Magnitude:

EQPROC = 6.6km (4.1 mi)
HYPO2K = 5.2km (3.3 mi) Magnitude = 0.4

USGS Report:

Date       Time       Lat    Lon      Mag    Depth                Location   
-----------------------------------------------------------------------------------
2026/01/25 09:33:57  38.160 -121.889  M3.0  20.4 15 km N of Pittsburg, CA

EQPROC Summary:

2891 2026Jan25  933 58.43  38.1273 -121.9518 14.00 0.03 36.9 63.9 236  4
RE9A7 EHZ AM 00 2026Jan25  934  9.78 P U0  65.8  -0.04
ADUB1 SHZ PN 01 2026Jan25  934 14.84 P ?3  97.8   0.37
B054  EHZ PB -- 2026Jan25  934  5.59 P D0  36.9  -0.00
B057  EHZ PB -- 2026Jan25  934  8.27 P U2  55.3  -0.02

HYPO2K Report:

 YEAR MO DA  --ORIGIN--  --LAT N-  --LON W--  DEPTH-M RMS   ERH   ERZ  XMAG1 FMAG1 PMAG GEOID-DEP
 2026-01-25  0933 58.37  38  8.837 121W56.092 14.10  0.06  1.97  7.39        2.64  2.64E   14.08
                                                                                          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  39.4  Emb  239   8   3   4   0   4      -                          4  2.64 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
                                                     2.64      4  2.64 E     13  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 39.4 217 107  PD    65.59  7.22  7.19 0.00  0.03  1.45  W  1.000 0.00 35.0   2.72 E                        
 B057 PB EHZ -- A 56.9 257 102  PU 2  68.27  9.90  9.93 0.00 -0.03  0.73  W  0.999 0.00 29.0   2.56 E                        
 RE9A7AM EHZ 00 A 66.1 136 100  PU    69.78 11.41 11.40 0.00  0.01  1.45  W  1.000 0.00 68.0   3.39 E                        
 ADUB1PN SHZ 01 A100.0 183  97  P  3  74.84 16.47 16.84 0.00 -0.37  0.36  W  0.999 0.00 33.0   2.73 E                        

Event Files: January 2026