Event Number 2010

M2.8 m S of Los Altos Hills, CA - 2020/12/30 04:26:30 37.357 -122.137 M2.8 5.6 2km S of Los Altos Hills, CA at 2020/12/30 04:26:30 UTC / 2020/12/29 20:26:30 PDT

Error Map and Stations Used to Locate Event

Errors from USGS Location and Magnitude:

EQPROC = 1.7km (1.1 mi)
HYPO2K = 5.8km (3.6 mi) Magnitude = 0.1

USGS Report:

Date       Time       Lat    Lon      Mag    Depth                Location   
-----------------------------------------------------------------------------------
2020/12/30 04:26:30  37.357 -122.137  M2.8   5.6 2km S of Los Altos Hills, CA

EQPROC Summary:

2010 2020Dec30  426 30.50  37.3582 -122.1177  2.00 0.26 10.1 27.3 169  5
LCGPZ SHZ PN 01 2020Dec30  426 34.41 P ?2  18.9  -0.21
GLFBZ SHZ PN 01 2020Dec30  426 32.96 P D0  10.1  -0.10
JCPZ  SHZ PN 01 2020Dec30  426 37.56 P D0  31.4   0.83
MTUMZ SHZ PN 01 2020Dec30  426 36.60 P D0  29.9   0.11
ATZ   SHZ PN 01 2020Dec30  426 39.29 P ?0  46.4   0.00

HYPO2K Report:

 YEAR MO DA  --ORIGIN--  --LAT N-  --LON W--  DEPTH-M RMS   ERH   ERZ  XMAG1 FMAG1 PMAG GEOID-DEP
 2020-12-30  0426 31.30  37 22.768 122W 4.028  2.00  0.39 13.42 33.23        2.66  2.66E    1.98
                                                                                          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  10.4  Emb  193  20   3   5   0   5      -                          4  2.66 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
                                                     2.66      4  2.66 E     22  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 10.4 315  90  PD    32.96  1.66  2.15 0.00 -0.49  1.11  W  0.687 0.00 47.0   2.77 E                        
 LCGPZPN SHZ 01 A 20.2 311  90  P  2  34.41  3.11  3.75 0.00 -0.64* 0.56  W  0.368 0.00 35.0   2.54 E                        
 MTUMZPN SHZ 01 A 29.3 149  90  PD    36.60  5.30  5.23 0.00  0.07  1.11  W  0.986 0.00 31.0   2.48 E                        
 JCPZ PN SHZ 01 A 32.4 316  90  PD    37.56  6.26  5.74 0.00  0.52* 1.11  W  0.972 0.00 39.0   2.72 E                        
 ATZ  PN SHZ 01 A 47.0 161  90  P     39.29  7.99  8.11 0.00 -0.12  1.11  W  0.985 0.00 21.0 4 2.18XE                        

Event Files: December 2020