Event Number 2077

M4.7 km NW of Truckee, CA - 2021/05/07 04:35:14 39.454 -120.313 M4.7 3.3 18km NW of Truckee, CA at 2021/05/07 04:35:14 UTC / 2021/05/06 21:35:14 PDT

Error Map and Stations Used to Locate Event

Errors from USGS Location and Magnitude:

EQPROC = 41.8km (26.0mi)
HYPO2K = 44.6km (27.7mi) Magnitude = 0.3

USGS Report:

Date       Time       Lat    Lon      Mag    Depth                Location   
-----------------------------------------------------------------------------------
2021/05/07 04:35:14  39.454 -120.313  M4.7   3.3 18km NW of Truckee, CA

EQPROC Summary:

2077 2021May 7  435 20.48  39.2388 -120.7111  8.00 0.07201.8240.8 306  6
GLFBZ SHZ PN 01 2021May 7  435 54.84 P D0 236.4  -0.00
ATZ   SHZ PN 01 2021May 7  436  2.32 Pg?1 272.2  -0.20
B057  EHZ PB -- 2021May 7  435 51.72 P U1 211.9  -0.00
B054  EHZ PB -- 2021May 7  435 50.22 P ?3 201.8  -0.21
B058  EHZ PB -- 2021May 7  435 59.31 P D3 281.7  -1.30
B073  EHZ PB -- 2021May 7  436 10.15 Pn?3 366.4  -1.25

HYPO2K Report:

 YEAR MO DA  --ORIGIN--  --LAT N-  --LON W--  DEPTH-M RMS   ERH   ERZ  XMAG1 FMAG1 PMAG GEOID-DEP
 2021-05-07  0435 14.38  39 41.710 120W43.223  8.00  1.20 80.49 98.97        4.38  4.38E    7.96
                                                                                          SOURCE
 NSTA NPHS  DMIN MODEL GAP ITR NFM NWR NWS NVR REMRKS-AVH  N.XMG-XMMAD-T   N.FMG-FMMAD-T  L F X
    6    6 240.9  Emb  314  18   3   6   0   6      -                          5  0.38 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
                                                     4.38      5  0.38 E     40  0  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
 B054 PB EHZ -- A240.9 213  48  P  3  50.22 35.84 36.61 0.00 -0.77* 0.47  W  0.998 0.00  165   4.38 E                        
 B057 PB EHZ -- A244.8 222  48  PU 1  51.72 37.34 37.10 0.00  0.24  1.40  W  0.962 0.00  160   4.35 E                        
 GLFBZPN SHZ 01 A279.2 207  48  PD    54.84 40.46 41.30 0.00 -0.84* 1.86  W  0.613 0.00  234   4.76 E                        
 ATZ  PN SHZ 01 A318.7 200  48  P  1  62.32 47.94 46.13 0.00  1.81* 1.40  W  0.446 0.00 93.0 4 3.91XE                        
 B058 PB EHZ -- A330.1 194  48  PD 3  59.31 44.93 47.52 0.00 -2.59* 0.42  W  0.069 0.00  166   4.48 E                        
 B073 PB EHZ -- A416.6 176  48  P  3  70.15 55.77 58.10 0.00 -2.33* 0.47  W  0.909 0.00  183 1 4.71 E                        

Event Files: May 2021