Event Number 2097

M2.5 km SE of Livermore, CA - 2021/06/23 12:31:31 37.577 -121.591 M2.5 -0.2 20km SE of Livermore, CA at 2021/06/23 12:31:31 UTC / 2021/06/23 05:31:31 PDT

Error Map and Stations Used to Locate Event

Errors from USGS Location and Magnitude:

EQPROC = 8.5km (5.3 mi)
HYPO2K = 4.1km (2.6 mi) Magnitude = -0.3

USGS Report:

Date       Time       Lat    Lon      Mag    Depth                Location   
-----------------------------------------------------------------------------------
2021/06/23 12:31:31  37.577 -121.591  M2.5  -0.2 20km SE of Livermore, CA

EQPROC Summary:

2097 2021Jun23 1231 33.91  37.5614 -121.6857 19.55 0.00 43.5 69.6 228  4
ADUB1 SHZ PN 01 2021Jun23 1231 42.03 P D0  43.5   0.00
B057  EHZ PB -- 2021Jun23 1231 48.94 P U3  93.3   0.00
B058  EHZ PB -- 2021Jun23 1231 47.90 P D3  85.2   0.00
B054  EHZ PB -- 2021Jun23 1231 43.86 P ?0  56.2   0.00

HYPO2K Report:

 YEAR MO DA  --ORIGIN--  --LAT N-  --LON W--  DEPTH-M RMS   ERH   ERZ  XMAG1 FMAG1 PMAG GEOID-DEP
 2021-06-23  1231 33.47  37 34.104 121W38.972 21.11  0.08  2.94  9.86        2.82  2.82E   21.09
                                                                                          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  46.1  Emb  231   9   3   4   0   4      -                          2  2.81 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
                                                     2.82      2  2.81 E     15  4  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 46.1 220  99  PD    42.03  8.56  8.55 0.00  0.01  1.60  W  1.000 0.00 35.0   2.82 E                        
 B054 PB EHZ -- A 58.3 304  94  P     43.86 10.39 10.36 0.00  0.03  1.60  W  0.999 0.00 29.0   2.66 E                        
 B058 PB EHZ -- A 85.5 175  91  PD 3  47.90 14.43 14.43 0.00  0.00  0.40  W  1.000 0.00 9.00 4 1.56XE                        
 B057 PB EHZ -- A 95.4 303  91  PU 3  48.94 15.47 15.90 0.00 -0.43  0.40  W  1.000 0.00 11.0 4 1.76XE                        

Event Files: June 2021