Event Number 2579

M2.2 km SSE of Los Altos Hills, CA - 2023/12/24 18:03:45 37.371 -122.131 M2.2 3.8 1 km SSE of Los Altos Hills, CA at 2023/12/24 18:03:45 UTC / 2023/12/24 10:03:45 PDT

Error Map and Stations Used to Locate Event

Errors from USGS Location and Magnitude:

EQPROC = 2.8km (1.7 mi)
HYPO2K = 1.2km (0.8 mi) Magnitude = -0.3

USGS Report:

Date       Time       Lat    Lon      Mag    Depth                Location   
-----------------------------------------------------------------------------------
2023/12/24 18:03:45  37.371 -122.131  M2.2   3.8 1 km SSE of Los Altos Hills, CA

EQPROC Summary:

2579 2023Dec24 1803 45.23  37.3603 -122.1594  3.00 0.06 20.2 54.3 194  5
ADUB1 SHZ PN 01 2023Dec24 1803 49.39 P U0  20.2   0.00
MTUMZ SHZ PN 01 2023Dec24 1803 51.31 P U0  32.6  -0.18
B058  EHZ PB -- 2023Dec24 1803 59.98 P ?3  80.6   0.36
B054  EHZ PB -- 2023Dec24 1803 55.40 P U1  55.7   0.00
B057  EHZ PB -- 2023Dec24 1803 59.92 P ?1  82.3   0.00

HYPO2K Report:

 YEAR MO DA  --ORIGIN--  --LAT N-  --LON W--  DEPTH-M RMS   ERH   ERZ  XMAG1 FMAG1 PMAG GEOID-DEP
 2023-12-24  1803 45.87  37 21.611 122W 7.851  3.00  0.05  2.99  9.18        2.47  2.47E    2.97
                                                                                          SOURCE
 NSTA NPHS  DMIN MODEL GAP ITR NFM NWR NWS NVR REMRKS-AVH  N.XMG-XMMAD-T   N.FMG-FMMAD-T  L F X
    5    5  18.3  Emb  196   7   3   4   0   5      -                          2  2.46 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
                                                     2.47      2  2.46 E     33  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 18.3 133  93  PU    49.39  3.52  3.45 0.00  0.07  1.14  W  1.000 0.00 33.0   2.47 E                        
 MTUMZPN SHZ 01 A 30.9 137  91  PU    51.31  5.44  5.50 0.00 -0.06  1.14  W  1.000 0.00 13.0   1.65 E                        
 B054 PB EHZ -- A 55.8 354  91  PU 1  55.40  9.53  9.56 0.00 -0.03  0.86  W  0.999 0.00 5.00 4 0.80XE                        
 B058 PB EHZ -- A 79.1 141  90  P  3  59.98 14.11 13.34 0.00  0.77* 0.00  W  0.000 0.00 1.00 4                               
 B057 PB EHZ -- A 83.4 333  90  P  1  59.92 14.05 14.03 0.00  0.02  0.86  W  0.999 0.00 5.00 4 0.83XE                        

Event Files: December 2023