Event Number 2151

M2.3 km NE of Milpitas, CA - 2021/08/31 18:27:32 37.499 -121.827 M2.3 4.2 10km NE of Milpitas, CA at 2021/08/31 18:27:32 UTC / 2021/08/31 11:27:32 PDT

Error Map and Stations Used to Locate Event

Errors from USGS Location and Magnitude:

EQPROC = 6.3km (3.9 mi)
HYPO2K = 4.9km (3.0 mi) Magnitude = 0.0

USGS Report:

Date       Time       Lat    Lon      Mag    Depth                Location   
-----------------------------------------------------------------------------------
2021/08/31 18:27:32  37.499 -121.827  M2.3   4.2 10km NE of Milpitas, CA

EQPROC Summary:

2151 2021Aug31 1827 32.26  37.5104 -121.7571  6.97 0.04 35.2 60.8 214  5
MTUMZ SHZ PN 01 2021Aug31 1827 39.98 P D0  41.6   0.00
ADUB1 SHZ PN 01 2021Aug31 1827 38.91 P D0  35.2   0.00
B057  EHZ PB -- 2021Aug31 1827 48.03 P D1  91.6   0.01
B058  EHZ PB -- 2021Aug31 1827 47.87 P D3  80.5   1.47
B054  EHZ PB -- 2021Aug31 1827 42.26 P D3  55.1  -0.00

HYPO2K Report:

 YEAR MO DA  --ORIGIN--  --LAT N-  --LON W--  DEPTH-M RMS   ERH   ERZ  XMAG1 FMAG1 PMAG GEOID-DEP
 2021-08-31  1827 32.84  37 30.374 121W46.640  7.77  0.02  2.65  8.04        2.29  2.29E    7.73
                                                                                          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  33.9  Emb  239   8   5   4   0   5      -                          3  1.14 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
                                                     2.29      3  1.14 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 33.9 213 100  PD    38.91  6.07  6.06 0.00  0.01  1.33  W  0.999 0.00 34.0   2.60 E                        
 MTUMZPN SHZ 01 A 40.6 196  98  PD    39.98  7.14  7.14 0.00 -0.00  1.33  W  0.999 0.00 17.0   1.97 E                        
 B054 PB EHZ -- A 54.1 317  96  PD 3  42.26  9.42  9.32 0.00  0.10  0.33  W  1.000 0.00 23.0   2.27 E                        
 B058 PB EHZ -- A 80.4 167  94  PD 3  47.87 15.03 13.57 0.00  1.46* 0.00  W  0.000 0.00 1.00 4                               
 B057 PB EHZ -- A 90.4 311  93  PD 1  48.03 15.19 15.20 0.00 -0.01  1.00  W  0.999 0.00 7.00 4 1.17XE                        

Event Files: August 2021