Event Number 2031

M2.0 m S of Los Altos Hills, CA - 2021/01/21 08:21:54 37.360 -122.142 M2.0 4.8 2km S of Los Altos Hills, CA at 2021/01/21 08:21:54 UTC / 2021/01/21 00:21:54 PDT

Error Map and Stations Used to Locate Event

Errors from USGS Location and Magnitude:

EQPROC = 3.8km (2.4 mi)
HYPO2K = 1.4km (0.9 mi) Magnitude = 0.0

USGS Report:

Date       Time       Lat    Lon      Mag    Depth                Location   
-----------------------------------------------------------------------------------
2021/01/21 08:21:54  37.360 -122.142  M2.0   4.8 2km S of Los Altos Hills, CA

EQPROC Summary:

2031 2021Jan21  821 54.35  37.3613 -122.1852  3.00 0.07  9.7 52.6 195  7
GLFBZ SHZ PN 01 2021Jan21  821 56.74 P ?0   9.7   0.00
JCPZ  SHZ PN 01 2021Jan21  822  2.43 S U3  28.0  -1.35
MTUMZ SHZ PN 01 2021Jan21  822  0.91 P ?1  34.3   0.00
B057  EHZ PB -- 2021Jan21  822  8.86 P ?1  81.3   0.00
B057  EHZ PB -- 2021Jan21  822 19.83 S ?0  81.3   0.53
B054  EHZ PB -- 2021Jan21  822  4.73 P U1  55.4   0.25
B058  EHZ PB -- 2021Jan21  822  9.29 P ?3  82.1   0.29

HYPO2K Report:

 YEAR MO DA  --ORIGIN--  --LAT N-  --LON W--  DEPTH-M RMS   ERH   ERZ  XMAG1 FMAG1 PMAG GEOID-DEP
 2021-01-21  0821 55.09  37 22.325 122W 8.653  1.50  0.17  4.01 16.28        1.97  1.97E    1.47
                                                                                          SOURCE
 NSTA NPHS  DMIN MODEL GAP ITR NFM NWR NWS NVR REMRKS-AVH  N.XMG-XMMAD-T   N.FMG-FMMAD-T  L F X
    5    5   8.1  Emb  197   6   1   4   0   5      -                          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     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
 GLFBZPN SHZ 01 A  8.1 356  65  P     56.74  1.65  1.82 0.00 -0.17  1.23  W  1.000 0.00 21.0 1 1.97 E                        
 MTUMZPN SHZ 01 A 32.7 137  65  P  1  60.91  5.82  5.82 0.00  0.00  0.92  W  0.999 0.00 3.00 4 0.25XE                        
 B054 PB EHZ -- A 54.4 355  65  PU 1  64.73  9.64  9.35 0.00  0.29  0.92  W  1.000 0.00 1.00 4                               
 B058 PB EHZ -- A 80.9 141  65  P  3  69.29 14.20 13.66 0.00  0.54* 0.00  W  0.000 0.00 1.00 4                               
 B057 PB EHZ -- A 81.7 334  65  P  1  68.86 13.77 13.78 0.00 -0.01  0.92  W  1.000 0.00 3.00 4 0.34XE                        

Event Files: January 2021