Event Number 2818

M2.5 km WSW of Patterson, CA - 2025/10/14 08:44:43 37.430 -121.281 M2.5 3.6 14 km WSW of Patterson, CA at 2025/10/14 08:44:43 UTC / 2025/10/14 01:44:43 PDT

Error Map and Stations Used to Locate Event

Errors from USGS Location and Magnitude:

EQPROC = 15.9km (9.9 mi)
HYPO2K = 18.0km (11.2mi) Magnitude = -0.6

USGS Report:

Date       Time       Lat    Lon      Mag    Depth                Location   
-----------------------------------------------------------------------------------
2025/10/14 08:44:43  37.430 -121.281  M2.5   3.6 14 km WSW of Patterson, CA

EQPROC Summary:

2818 2025Oct14  844 43.28  37.4469 -121.1031 13.13 0.03 40.7 92.6 253  6
RE9A7 EHZ AM 00 2025Oct14  844 51.02 P D0  40.7  -0.01
ATZ   SHZ PN 01 2025Oct14  844 58.04 P ?0  87.4   0.13
GLFBZ SHZ PN 01 2025Oct14  844 58.64 P ?0  92.5  -0.00
B057  EHZ PB -- 2025Oct14  845  5.33 P U1 144.3  -0.00
B054  EHZ PB -- 2025Oct14  845  0.36 P D2 107.1  -0.24
B058  EHZ PB -- 2025Oct14  844 57.31 P U1  83.4  -0.00

HYPO2K Report:

 YEAR MO DA  --ORIGIN--  --LAT N-  --LON W--  DEPTH-M RMS   ERH   ERZ  XMAG1 FMAG1 PMAG GEOID-DEP
 2025-10-14  0844 42.59  37 27.967 121W 4.437 30.97  0.05  1.92  0.93        3.10  3.10E   30.96
                                                                                          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  41.0  Emb  259   7   4   6   0   6                                 3  1.54 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
                                                     3.10      3  1.54 E      5  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
 RE9A7AM EHZ 00 A 41.0 313 121  PD    51.02  8.43  8.42 0.00  0.01  1.20  W  0.962 0.00 74.0   3.68 E                        
 B058 PB EHZ -- A 86.6 212 102  PU 1  57.31 14.72 14.77 0.00 -0.05  0.90  W  0.707 0.00 21.0   2.51 E                        
 ATZ  PN SHZ 01 A 91.1 234 101  P     58.04 15.45 15.42 0.00  0.03  1.20  W  0.498 0.00 54.0   3.43 E                        
 GLFBZPN SHZ 01 A 95.3 269 100  P     58.64 16.05 16.05 0.00  0.00  1.20  W  0.715 0.00 7.00 4 1.46XE                        
 B054 PB EHZ -- A108.5 295  99  PD 2  60.36 17.77 17.98 0.00 -0.21  0.58  W  0.133 0.00 7.00 4 1.48XE                        
 B057 PB EHZ -- A145.5 296  54  PU 1  65.33 22.74 22.73 0.00  0.01  0.90  W  0.982 0.00 3.00 4 0.70XE                        

Event Files: October 2025