Event Number 2583

M2.2 km SE of Portola Valley, CA - 2024/01/06 17:19:28 37.352 -122.206 M2.2 10.0 4 km SE of Portola Valley, CA at 2024/01/06 17:19:28 UTC / 2024/01/06 09:19:28 PDT

Error Map and Stations Used to Locate Event

Errors from USGS Location and Magnitude:

EQPROC = 4.2km (2.6 mi)
HYPO2K = 3.3km (2.0 mi) Magnitude = 0.7

USGS Report:

Date       Time       Lat    Lon      Mag    Depth                Location   
-----------------------------------------------------------------------------------
2024/01/06 17:19:28  37.352 -122.206  M2.2  10.0 4 km SE of Portola Valley, CA

EQPROC Summary:

2583 2024Jan 6 1719 28.39  37.3491 -122.2530  3.00 0.04 16.5 53.1 204  5
LCGPZ SHZ PN 01 2024Jan 6 1719 31.92 P ?0  16.5   0.00
ADUB1 SHZ PN 01 2024Jan 6 1719 33.64 P U1  26.6   0.00
B058  EHZ PB -- 2024Jan 6 1719 42.26 P ?3  85.1  -1.30
B057  EHZ PB -- 2024Jan 6 1719 42.73 P ?2  80.2   0.00
B054  EHZ PB -- 2024Jan 6 1719 38.82 P D3  57.0   0.04

HYPO2K Report:

 YEAR MO DA  --ORIGIN--  --LAT N-  --LON W--  DEPTH-M RMS   ERH   ERZ  XMAG1 FMAG1 PMAG GEOID-DEP
 2024-01-06  1719 29.35  37 22.828 122W11.418  2.00  0.25  8.65 22.33        1.47  1.47E    1.99
                                                                                          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  13.7  Emb  197   8   2   5   0   5      -                          2  1.46 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
                                                     1.47      2  1.46 E     12  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
 LCGPZPN SHZ 01 A 13.7 341  90  P     31.92  2.57  2.69 0.00 -0.12  1.82  W  0.767 0.00 12.0 1 1.47 E                        
 ADUB1PN SHZ 01 A 23.8 128  90  PU 1  33.64  4.29  4.33 0.00 -0.04  1.36  W  0.998 0.00 23.0   2.16 E                        
 B054 PB EHZ -- A 53.2   0  90  PD 3  38.82  9.47  9.13 0.00  0.34  0.45  W  0.864 0.00 5.00 4 0.80XE                        
 B057 PB EHZ -- A 79.1 336  90  P  2  42.73 13.38 13.32 0.00  0.06  0.91  W  0.384 0.00 1.00 4                               
 B058 PB EHZ -- A 84.2 139  90  P  3  42.26 12.91 14.16 0.00 -1.25* 0.45  W  0.984 0.00 1.00 4                               

Event Files: January 2024