Event Number 2553

M2.4 km ESE of Fremont, CA - 2023/10/17 02:26:04 37.525 -121.897 M2.4 7.0 8 km ESE of Fremont, CA at 2023/10/17 02:26:04 UTC / 2023/10/16 19:26:04 PDT

Error Map and Stations Used to Locate Event

Errors from USGS Location and Magnitude:

EQPROC = 6.1km (3.8 mi)
HYPO2K = 3.1km (1.9 mi) Magnitude = 0.0

USGS Report:

Date       Time       Lat    Lon      Mag    Depth                Location   
-----------------------------------------------------------------------------------
2023/10/17 02:26:04  37.525 -121.897  M2.4   7.0 8 km ESE of Fremont, CA

EQPROC Summary:

2553 2023Oct17  226  4.37  37.5484 -121.8347  6.50 0.09 35.8 60.1 208  6
MTUMZ SHZ PN 01 2023Oct17  226 12.47 P D1  44.3  -0.06
ADUB1 SHZ PN 01 2023Oct17  226 11.11 P D0  35.8  -0.00
ATZ   SHZ PN 01 2023Oct17  226 16.14 P D0  63.6   0.33
B054  EHZ PB -- 2023Oct17  226 13.05 P ?0  47.3   0.00
B058  EHZ PB -- 2023Oct17  226 19.39 P U3  86.2   0.01
B057  EHZ PB -- 2023Oct17  226 18.20 P ?3  83.6  -0.81

HYPO2K Report:

 YEAR MO DA  --ORIGIN--  --LAT N-  --LON W--  DEPTH-M RMS   ERH   ERZ  XMAG1 FMAG1 PMAG GEOID-DEP
 2023-10-17  0226  5.47  37 31.808 121W55.940  5.79  0.17  6.44 15.07        2.40  2.40E    5.76
                                                                                          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  31.7  Emb  207   6   4   4   0   6      -                          4  2.48 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
                                                     2.40      4  2.48 E     32  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
 ADUB1PN SHZ 01 A 31.7 188  97  PD    11.11  5.64  5.66 0.00 -0.02  1.07  W  1.000 0.00 39.0   2.72 E                        
 MTUMZPN SHZ 01 A 42.0 175  95  PD 1  12.47  7.00  7.32 0.00 -0.32  0.80  W  1.000 0.00 17.0 1 1.97 E                        
 B054 PB EHZ -- A 43.6 328  95  P     13.05  7.58  7.58 0.00 -0.00  1.07  W  1.000 0.00 23.0   2.26 E                        
 ATZ  PN SHZ 01 A 61.3 177  93  PD    16.14 10.67 10.46 0.00  0.21  1.07  W  1.000 0.00  163 2 4.17 E                        
 B057 PB EHZ -- A 78.5 315  92  P  3  18.20 12.73 13.24 0.00 -0.51* 0.00  W  0.000 0.00 7.00 4 1.15XE                        
 B058 PB EHZ -- A 86.9 158  92  PU 3  19.39 13.92 14.61 0.00 -0.69* 0.00  W  0.000 0.00 1.00 4                               

Event Files: October 2023