Event Number 2714

M3.9 km of Concord, CA - 2025/01/12 16:49:21 37.975 -122.018 M3.9 14.2 1 km of Concord, CA at 2025/01/12 16:49:21 UTC / 2025/01/12 08:49:21 PDT

Error Map and Stations Used to Locate Event

USGS Loc
HYPO Loc
EqProc Loc
B054
B057
LCGPZ
GLFBZ
RE9A7
ADUB1
MTUMZ
ATZ
B058
B073
+−
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Errors from USGS Location and Magnitude:

EQPROC =  4.6km (2.9 mi)

HYPO2K =  3.6km (2.2 mi)
Magnitude = 0.5


USGS Report:


Date       Time       Lat    Lon      Mag    Depth                Location   
-----------------------------------------------------------------------------------
2025/01/12 16:49:21  37.975 -122.018  M3.9  14.2 1 km  of Concord, CA



EQPROC Summary:


2714 2025Jan12 1649 21.59  38.0166 -122.0131  2.50 0.09 23.9 96.6 211 10
LCGPZ SHZ PN 01 2025Jan12 1649 32.93 P D2  61.1   0.15
GLFBZ SHZ PN 01 2025Jan12 1649 33.38 P ?0  64.7  -0.00
RE9A7 EHZ AM 00 2025Jan12 1649 34.02 P ?3  62.4   1.03
MTUMZ SHZ PN 01 2025Jan12 1649 38.39 P D0  96.5  -0.18
ADUB1 SHZ PN 01 2025Jan12 1649 36.84 P D0  85.5  -0.07
ATZ   SHZ PN 01 2025Jan12 1649 41.71 P U0 115.8   0.40
B057  EHZ PB -- 2025Jan12 1649 30.68 P U0  48.8  -0.00
B054  EHZ PB -- 2025Jan12 1649 26.47 P U0  23.9  -0.00
B058  EHZ PB -- 2025Jan12 1649 43.15 PnD3 140.5  -1.31
B073  EHZ PB -- 2025Jan12 1650  0.98 PnU2 267.2   0.38



HYPO2K Report:


 YEAR MO DA  --ORIGIN--  --LAT N-  --LON W--  DEPTH-M RMS   ERH   ERZ  XMAG1 FMAG1 PMAG GEOID-DEP
 2025-01-12  1649 22.58  38  0.231 122W 2.055  3.76  0.11  2.33 11.32        3.40  3.40E    3.75
                                                                                          SOURCE
 NSTA NPHS  DMIN MODEL GAP ITR NFM NWR NWS NVR REMRKS-AVH  N.XMG-XMMAD-T   N.FMG-FMMAD-T  L F X
   10   10  21.6  Emb  258  10   8   7   0  10      -                          8  1.70 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
                                                     3.40      8  1.70 E      9  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 21.6 223  95  PU    26.47  3.89  3.99 0.00 -0.10  1.08  W  0.995 0.00 89.0   3.45 E                        
 B057 PB EHZ -- A 46.7 274  92  PU    30.68  8.10  8.07 0.00  0.03  1.08  W  0.999 0.00 71.0   3.35 E                        
 LCGPZPN SHZ 01 A 59.1 198  91  PD 2  32.93 10.35 10.09 0.00  0.26  0.52  W  0.326 0.00 65.0   3.28 E                        
 GLFBZPN SHZ 01 A 62.9 190  91  P     33.38 10.80 10.71 0.00  0.09  1.08  W  0.655 0.00 77.0   3.45 E                        
 RE9A7AM EHZ 00 A 63.1 120  91  P  3  34.02 11.44 10.73 0.00  0.71* 0.00  W  0.000 0.00  279 2 4.69 E                        
 ADUB1PN SHZ 01 A 84.1 176  91  PD    36.84 14.26 14.16 0.00  0.10  1.08  W  0.265 0.00  104 2 3.76 E                        
 MTUMZPN SHZ 01 A 95.2 172  91  PD    38.39 15.81 15.97 0.00 -0.16  1.08  W  0.432 0.00 76.0 1 3.47 E                        
 ATZ  PN SHZ 01 A114.5 173  90  PU    41.71 19.13 19.12 0.00  0.01  1.08  W  0.326 0.00 45.0 4 2.99XE                        
 B058 PB EHZ -- A139.6 163  90  PD 3  43.15 20.57 23.16 0.00 -2.59* 0.00  W  0.000 0.00 73.0   3.48 E                        
 B073 PB EHZ -- A267.4 148  48  PU 2  60.98 38.40 40.31 0.00 -1.91* 0.00  W  0.000 0.00 19.0 4 2.32XE                        



Event Files: January 2025