Event Number 2480

M2.0 m SE of Portola Valley, CA - 2023/06/26 08:58:36 37.369 -122.217 M2.0 7.1 2km SE of Portola Valley, CA at 2023/06/26 08:58:36 UTC / 2023/06/26 01:58:36 PDT

Error Map and Stations Used to Locate Event

Errors from USGS Location and Magnitude:

EQPROC = 30.0km (18.6mi)
HYPO2K = 32.0km (19.9mi) Magnitude = 0.0

USGS Report:

Date       Time       Lat    Lon      Mag    Depth                Location   
-----------------------------------------------------------------------------------
2023/06/26 08:58:36  37.369 -122.217  M2.0   7.1 2km SE of Portola Valley, CA

EQPROC Summary:

2480 2023Jun26  858 31.33  37.0989 -122.2297  2.50 0.11 27.5 67.1 224  6
ATZ   SHZ PN 01 2023Jun26  858 37.58 P ?0  32.1  -0.02
LCGPZ SHZ PN 01 2023Jun26  858 39.66 P D0  44.2   0.00
ADUB1 SHZ PN 01 2023Jun26  858 41.96 S D3  27.5   1.19
B054  EHZ PB -- 2023Jun26  858 46.88 P D0  84.6   0.38
B057  EHZ PB -- 2023Jun26  858 50.51 P D2 107.3   0.62
B058  EHZ PB -- 2023Jun26  858 51.52 S ?3  66.2  -0.54

HYPO2K Report:

 YEAR MO DA  --ORIGIN--  --LAT N-  --LON W--  DEPTH-M RMS   ERH   ERZ  XMAG1 FMAG1 PMAG GEOID-DEP
 2023-06-26  0858 32.03  37  4.828 122W13.534  2.49  0.27 12.17 24.13        1.97  1.97E    2.47
                                                                                          SOURCE
 NSTA NPHS  DMIN MODEL GAP ITR NFM NWR NWS NVR REMRKS-AVH  N.XMG-XMMAD-T   N.FMG-FMMAD-T  L F X
    4    4  31.2  Emb  234   5   3   4   0   4      -                          1  0.00 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
                                                     1.97      1  0.00 E     15  3  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
 ATZ  PN SHZ 01 A 31.2 111  90  P     37.58  5.55  5.55 0.00 -0.00  1.14  W  1.000 0.00 3.00 4 0.24XE                        
 LCGPZPN SHZ 01 A 46.2 359  90  PD    39.66  7.63  7.99 0.00 -0.36  1.14  W  1.000 0.00 17.0   1.97 E                        
 B054 PB EHZ -- A 86.6   1  90  PD    46.88 14.85 14.54 0.00  0.31  1.14  W  1.000 0.00 5.00 4 0.84XE                        
 B057 PB EHZ -- A109.3 345  90  PD 2  50.51 18.48 18.24 0.00  0.24  0.57  W  1.000 0.00 1.00 4                               

Event Files: June 2023