Event Number 182

M2.4 3 km ( 2 mi) SE of Larkfield-Wikiup, CA at 2012/12/21 04:35:46 UTC / 2012/12/21 04:35:46 PDT

Error Map and Stations Used to Locate Event

Errors from USGS Location and Magnitude:

EQPROC = 3.8km (2.4 mi)
HYPO2K = 11.6km (7.2 mi) Magnitude = 0.0

USGS Report:

Date       Time       Lat    Lon      Mag    Depth                Location   
-----------------------------------------------------------------------------------
2012/12/21 04:35:46  38.489 -122.724  M2.4    7.1   3 km (  2 mi) SE  of Larkfield-Wikiup, CA

EQPROC Summary:

182 2012Dec21  435 46.64  38.4882 -122.6805  3.05 0.13  2.4 60.3 238  4
TASRZ SHZ PN 01 2012Dec21  435 47.51 P D0   2.4  -0.10
JCPZ  SHZ PN 08 2012Dec21  436  5.22 P D3 104.8   0.49
B057  EHZ PB -- 2012Dec21  435 56.22 P D0  52.2   0.01
B054  EHZ PB -- 2012Dec21  436  1.56 P U0  81.7   0.35

HYPO2K Report:

 YEAR MO DA  --ORIGIN--  --LAT N-  --LON W--  DEPTH   RMS   ERH   ERZ  XMAG1 FMAG1 PMAG
 2012-12-21  0435 45.32  38 35.22  122 46.51   2.08  0.25 22.25 22.64        2.36  2.36E
                                                                                          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  12.4  Emb  344   9   4   4   0   4      -                          3  0.11 E  W W  

 XMAG2-N.XMG2-XMMAD-T-S  FMAG2-N.FMG2-FMMAD-T-S  PREF.MAG-N.PMAG-PRMAD-T
                                                     2.36      3  0.11 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 12.4 151  90  PD    47.51  2.19  2.48 0.00 -0.29  1.23  W  1.000 0.00 11.0   1.38 E                        
 B057 PB EHZ -- A 64.8 163  90  PD    56.22 10.90 11.00 0.00 -0.10  1.23  W  1.000 0.00 25.0   2.36 E                        
 B054 PB EHZ -- A 95.1 147  90  PU    61.56 16.24 15.93 0.00  0.31  1.23  W  1.000 0.00 27.0   2.47 E                        
 JCPZ PN SHZ 08 A117.7 160  90  PD 3  65.22 19.90 19.61 0.00  0.29  0.31  W  0.999 0.00 7.00 4 1.20XE                        

Event Files: December 2012