Event Number 1338

M2.3 m S of Livermore, California at 2017/07/31 13:23:38 UTC / 2017/07/31 13:23:38 PDT

Error Map and Stations Used to Locate Event

Errors from USGS Location and Magnitude:

EQPROC = 4.4km (2.7 mi)
HYPO2K = 5.1km (3.2 mi) Magnitude = -0.4

USGS Report:

Date       Time       Lat    Lon      Mag    Depth                Location   
-----------------------------------------------------------------------------------
2017/07/31 13:23:38  37.633 -121.773  M2.3   8.9 5km S of Livermore, California

EQPROC Summary:

1338 2017Jul31 1323 39.23  37.6669 -121.7466  8.00 0.04 51.0 66.8 193  5
ADUB1 SHZ PN 01 2017Jul31 1323 48.55 P D0  51.0   0.00
CMP   SHZ PN 07 2017Jul31 1323 48.57 P U3  51.1   0.00
JCPZ  SHZ PN 08 2017Jul31 1323 48.40 P D3  51.7  -0.27
B057  EHZ PB -- 2017Jul31 1323 53.60 P D0  82.6   0.00
B058  EHZ PB -- 2017Jul31 1323 56.08 P ?2  97.5   0.32

HYPO2K Report:

 YEAR MO DA  --ORIGIN--  --LAT N-  --LON W--  DEPTH-M RMS   ERH   ERZ  XMAG1 FMAG1 PMAG GEOID-DEP
 2017-07-31  1323 39.73  37 40.07  121W44.94   8.00  0.03  1.09  7.61        2.65  2.65E    7.98
                                                                                          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  51.0  Emb  191   6   4   5   0   5      -                          3  0.18 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
                                                     2.65      3  0.18 E     19  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 51.0 204  96  PD    48.55  8.82  8.81 0.00  0.01  1.70  W  0.967 0.00 17.0   1.98 E                        
 CMP  PN SHZ 07 A 51.3 131  96  PU 3  48.57  8.84  8.87 0.00 -0.03  0.42  W  0.994 0.00 41.0   2.83 E                        
 JCPZ PN SHZ 08 A 51.5 261  96  PD 3  48.40  8.67  8.89 0.00 -0.22  0.33  W  0.070 0.00 34.0   2.65 E                        
 B057 PB EHZ -- A 82.2 300  94  PD    53.60 13.87 13.87 0.00  0.00  1.70  W  0.990 0.00 7.00 4 1.16XE                        
 B058 PB EHZ -- A 97.5 171  93  P  2  56.08 16.35 16.35 0.00  0.00  0.85  W  0.977 0.00 1.00 4                               

Event Files: July 2017