Event Number 271

M2.5 10 km ( 6 mi) ENE of Healdsburg, CA at 2013/03/31 23:45:23 UTC / 2013/03/31 23:45:23 PDT

Error Map and Stations Used to Locate Event

Errors from USGS Location and Magnitude:

EQPROC = 21.0km (13.1mi)
HYPO2K = 7.5km (4.6 mi) Magnitude = 0.9

USGS Report:

Date       Time       Lat    Lon      Mag    Depth                Location   
-----------------------------------------------------------------------------------
2013/03/31 23:45:23  38.651 -122.761  M2.5    6.4  10 km (  6 mi) ENE of Healdsburg, CA

EQPROC Summary:

271 2013Mar31 2345 26.90  38.4755 -122.6708  2.09 0.18  3.5 59.4 215  4
TASRZ SHZ PN 01 2013Mar31 2345 27.83 P U1   3.5  -0.10
B057  EHZ PB -- 2013Mar31 2345 36.39 P ?1  50.7   0.00
JCPZ  SHZ PN 08 2013Mar31 2345 45.54 P D3 103.2   0.59
B054  EHZ PB -- 2013Mar31 2345 41.97 P D0  80.0   0.60

HYPO2K Report:

 YEAR MO DA  --ORIGIN--  --LAT N-  --LON W--  DEPTH   RMS   ERH   ERZ  XMAG1 FMAG1 PMAG
 2013-03-31  2345 25.15  38 36.01  122 49.43   2.08  0.31 26.42 27.16        1.63  1.63E
                                                                                          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  16.0  Emb  340  12   3   4   0   4      -                          2  0.48 E  W W  

 XMAG2-N.XMG2-XMMAD-T-S  FMAG2-N.FMG2-FMMAD-T-S  PREF.MAG-N.PMAG-PRMAD-T
                                                     1.63      2  0.48 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 16.0 140  90  PU 1  27.83  2.68  3.07 0.00 -0.39  1.09  W  0.999 0.00 9.00   1.21 E                        
 B057 PB EHZ -- A 67.5 160  90  P  1  36.39 11.24 11.44 0.00 -0.20  1.09  W  1.000 0.00 21.0 1 2.20 E                        
 B054 PB EHZ -- A 98.7 146  90  PD    41.97 16.82 16.51 0.00  0.31  1.45  W  0.999 0.00 11.0 4 1.61XE                        
 JCPZ PN SHZ 08 A120.6 158  90  PD 3  45.54 20.39 20.07 0.00  0.32  0.36  W  0.999 0.00 5.00 4 0.87XE                        

Event Files: March 2013