Event Number 277

M2.7 4 km ( 2 mi) WSW of Cobb, CA at 2013/04/07 05:34:07 UTC / 2013/04/07 05:34:07 PDT

Error Map and Stations Used to Locate Event

Errors from USGS Location and Magnitude:

EQPROC = 40.8km (25.4mi)
HYPO2K = 24.7km (15.3mi) Magnitude = 1.3

USGS Report:

Date       Time       Lat    Lon      Mag    Depth                Location   
-----------------------------------------------------------------------------------
2013/04/07 05:34:07  38.820 -122.761  M2.7    2.1   4 km (  2 mi) WSW of Cobb, CA

EQPROC Summary:

277 2013Apr 7  534 13.76  38.4552 -122.7006  2.50 0.29  3.7 58.6 185  4
TASRZ SHZ PN 01 2013Apr 7  534 14.49 P ?2   3.7  -0.40
JCPZ  SHZ PN 08 2013Apr 7  534 31.76 P U3 101.9   0.23
B054  EHZ PB -- 2013Apr 7  534 28.38 P U2  79.5   0.31
B057  EHZ PB -- 2013Apr 7  534 22.89 P U3  49.0  -0.01

HYPO2K Report:

 YEAR MO DA  --ORIGIN--  --LAT N-  --LON W--  DEPTH   RMS   ERH   ERZ  XMAG1 FMAG1 PMAG
 2013-04-07  0534 11.71  38 36.01  122 48.87   2.13  0.21 19.19 19.59        1.38  1.38E
                                                                                          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  15.5  Emb  341  16   3   4   0   4      -                          2  0.99 E  W W  

 XMAG2-N.XMG2-XMMAD-T-S  FMAG2-N.FMG2-FMMAD-T-S  PREF.MAG-N.PMAG-PRMAD-T
                                                     1.38      2  0.99 E
 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
 TASRZPN SHZ 01 A 15.5 142  90  P  2  14.49  2.78  2.99 0.00 -0.21  1.33  W  0.999 0.00 3.00 2 0.14 E                        
 B057 PB EHZ -- A 67.2 161  90  PU 3  22.89 11.18 11.39 0.00 -0.21  0.67  W  1.000 0.00 21.0 1 2.20 E                        
 B054 PB EHZ -- A 98.2 146  90  PU 2  28.38 16.67 16.43 0.00  0.24  1.33  W  0.999 0.00 13.0 4 1.77XE                        
 JCPZ PN SHZ 08 A120.3 158  90  PU 3  31.76 20.05 20.02 0.00  0.03  0.67  W  1.000 0.00 9.00 4 1.44XE                        

Event Files: April 2013