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Earthquake Hazards Program
Phase Data

Explanation of Parameters


      4 JUL 2007  (185)

     ot  = 21:05:00.39   +/-   0.00          CENTRAL CALIFORNIA              
     lat =      36.880   +/-    0.0
     lon =    -121.613   +/-    0.0              MAGNITUDE 3.4 (NC)       
     dep =         7.2   +/-    0.0   

     15 km (10 miles) SSW of Gilroy, California (pop 41,000)
     20 km (10 miles) W of Hollister, California (pop 34,000)
     25 km (15 miles) N of Salinas, California (pop 151,000)
     190 km (120 miles) S of SACRAMENTO, California
 
     ML 3.3 (NC).

     nph =   20 of  22    se = 0.00    FE=039                            held

     error ellipse = (  0.0,  0.0,  0.0;  0.0,  0.0,  0.0;  0.0,  0.0,  0.0)

 mb = 0.0 (  0)  ML = 3.0 ( 12)  mblg = 0.0 (  0)  md = 3.7 (  4)  MS = 0.0 (  0)

 sta  phase     arrival     res   dist azm    amp  per mag     amp  per mag  sta
 SAO  eP      21:05:03.80  -0.2    0.2 131 d:1.4+2     3.5  L:9.2+0 .40 2.5  SAO 
 CMB  eP      21:05:26.82  -1.1    1.5  40 d:1.6+2     4.1  L:2.7-1 .68 2.8  CMB 
 MCCM eP      21:05:29.50   0.3    1.6 322 d:6.4+1     3.4  L:2.8-1 .88 2.9  MCCM
 NSHM eP      21:05:30.48  -1.6    1.8 335 d:1.1+2     4.0                   NSHM
 HOPS qPn     21:05:38.22  -1.9    2.4 332 d:3.5+1     3.1X L:8.1-2 1.4 2.8  HOPS
 OHCM ePn     21:05:40.82   0.0    2.5   2 d:1.2+2     4.3X                  OHCM
 MTUM ePn     21:05:42.09   0.7    2.5  78 d:1.6+2     4.5X                  MTUM
 ISA  ePn     21:05:44.92  -0.9    2.8 115 d:1.5+2     4.6X L:1.4-1 .78 3.2  ISA 
 PAHR ePn     21:05:52.79  -0.1    3.3  31 d:1.3+2     4.6X L:4.3-2 .94 3.0  PAHR
 MWC  ePn     21:06:00.15  -1.1    3.9 131 d:1.3+2     4.9X L:3.7-2 .95 3.1  MWC 
 GSC  ePn     21:06:03.63  -1.3    4.2 111 d:1.6+2     5.2X L:6.6-2 1.0 3.4  GSC 
 TPNV ePn     21:06:06.78   0.4    4.3  87 d:1.9+2     5.4X L:4.7-2 .70 3.3  TPNV
 TPH  ePg     21:06:08.75  -2.4    3.7  70 d:1.0+2     4.6X L:4.0-2 .80 3.1  TPH 
      eSg     21:06:57.49  S res =  -1.4X
 PFO  qPn     21:06:18.88  -1.7    5.3 126 d:1.3+2     5.4X L:1.3-2 1.1 3.0  PFO 
                                           b:7.4+0 .90 4.3X
 LDFC qPn     21:06:24.92   1.1    5.6 107 d:2.4+1     4.1X L:1.7-2 .50 3.2X LDFC
                                           b:8.8+0 .50 4.7X
 WVOR qPn     21:06:32.45   2.7    6.0  22                                   WVOR
 MOD  ePg     21:06:36.23  -2.2    5.1  11 d:1.1+2     5.2X L:1.2-2 .98 2.9  MOD 
 ELK  ePg     21:07:01.48   0.5    6.3  50                                   ELK 
 ARUT ePg     21:07:03.01  -3.3    6.6  80 d:3.3+1     4.7X                  ARUT
 CCUT ePg     21:07:04.67  -2.5    6.6  82 d:3.6+1     4.8X                  CCUT
      eSg     21:08:30.35  S res =  -2.5X



 Generated 2007 JUL 30 at 20:38 UTC

Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver

 


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