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Earthquake Hazards Program
Phase Data

Explanation of Parameters


      5 JUL 2007  (186)

     ot  = 03:10:34.14   +/-   1.19              MARIANA ISLANDS REGION          
     lat =      17.783   +/-    3.7
     lon =     147.661   +/-    4.7              MAGNITUDE 4.8 (GS)       
     dep =        45.9   +/-   10.7   

     205 km (125 miles) E of Pagan, Northern Mariana Islands
     235 km (145 miles) ESE of Agrihan, Northern Mariana Islands
     355 km (220 miles) NE of SAIPAN, Northern Mariana Islands
     570 km (355 miles) NNE of HAGATNA, Guam

     nph =   68 of  92    se = 0.66    FE=215                            A   

     error ellipse = (249.7, 73.8, 17.0;114.8, 11.6,  6.0; 22.5, 11.2,  5.3)

 mb = 4.7 ( 33)  ML = 0.0 (  0)  mblg = 4.4 (  1)  md = 0.0 (  0)  MS = 0.0 (  0)

 sta  phase     arrival     res   dist azm    amp  per mag     amp  per mag  sta
 GUMO ePn     03:11:45.76  -0.4    5.0 213                                   GUMO
      eSn     03:12:40.96  S res =  -1.3X
 JOW  P       03:15:03.65   0.1   20.0 300                                   JOW 
      LR      03:22:14.35                                  
 MJAR P       03:15:07.71  -0.3   20.5 338                                   MJAR
      LR      03:22:37.12                                  
 MAJO eP      03:15:13.32   5.3X  20.5 338 b:2.5+1 .41 4.9                   MAJO
 JNU  P       03:15:18.40  -0.4   21.5 319                                   JNU 
      LR      03:23:35.74                                  
 YHNB eP      03:15:57.70   0.0   25.4 290 g:5.1-2 .80 4.4  b:5.1+1 .80 5.1  YHNB
 KS15 eP      03:16:04.32   0.0   26.2 322                                   KS15
 MDJ  eP      03:16:45.91   0.9   30.8 334 b:9.1+0 1.0 4.5                   MDJ 
 COEN eP      03:16:54.92   0.1   31.8 188 b:1.5+0 .65 4.0                   COEN
 KKM  eP      03:17:03.56  -0.3   32.8 253                                   KKM 
 BJT  eP      03:17:22.06  -0.8   35.1 316 b:9.9+0 .45 5.0                   BJT 
 HIA  eP      03:17:53.65   0.4   38.7 331 b:2.0+1 .95 5.0                   HIA 
 WRAB eP      03:18:01.69  -0.4   39.7 200 b:1.7+1 .90 4.9                   WRAB
      epP     03:18:16.23  depth =  56.4X
 WRA  P       03:18:02.06  -0.2   39.7 200                                   WRA 
      PcP     03:20:09.08   0.8X
 WB2  eP      03:18:02.30   0.1   39.7 200                                   WB2 
 KSM  eP      03:18:05.35  -0.3   40.1 250                                   KSM 
 ASAR P       03:18:32.15   0.2   43.3 199                                   ASAR
      PcP     03:20:20.95   0.8X
 ULN  eP      03:18:42.51   0.1   44.6 321 b:1.5+1 .85 4.8                   ULN 
 SONM P       03:18:45.60   0.2   45.0 321                                   SONM
      PcP     03:20:26.31   0.6X
      LR      03:37:14.78                                  
 CHTO eP      03:18:54.29  -0.2   46.1 279 b:6.9+0 .92 4.6                   CHTO
 CM31 eP      03:18:55.56   0.7   46.2 279 b:2.2+1 .70 5.2                   CM31
 CMAR P       03:18:55.70   0.8   46.2 279                                   CMAR
 KULM eP      03:19:06.31   0.7   47.6 261                                   KULM
 TLY  eP      03:19:11.88   0.4   48.4 325 b:1.8+1 1.1 5.0                   TLY 
 KLBR eP      03:20:14.00  -0.3   56.9 211 b:2.1+1 .90 5.2                   KLBR
 MUN  eP      03:20:22.30   0.4   57.9 212                                   MUN 
 ZAA0 eP      03:20:34.95  -0.1   59.9 323                                   ZAA0
 ZALV P       03:20:34.97  -0.1   59.9 323                                   ZALV
      PcP     03:21:21.66   0.5X
      LR      03:46:22.75                                  
 MKAR P       03:20:39.55   0.4   60.4 314                                   MKAR
      PcP     03:21:24.77   1.1X
      LR      03:49:39.11                                  
 MK31 eP      03:20:39.70   0.6   60.4 314                                   MK31
 KURK eP      03:20:57.50   0.0   63.2 318 b:3.2+1 .98 5.4                   KURK
 TKM2 eP      03:21:10.33   0.0   65.1 310 b:4.7+0 .80 4.6                   TKM2
 EGAK eP      03:21:16.26   0.4   66.0  26 b:9.4+0 1.2 4.7                   EGAK
      epP     03:21:29.27  depth =  45.0X
 UCH  eP      03:21:16.61   0.7   65.9 309 b:1.8+0 .34 4.5                   UCH 
 AML  eP      03:21:20.46   0.7   66.5 309 b:2.5+0 .38 4.6                   AML 
 BRVK eP      03:21:31.64   0.5   68.4 321 b:5.1+1 1.0 5.5                   BRVK
 INK  eP      03:21:37.04  -0.4   69.5  23 b:1.7+2 .98 6.0X                  INK 
      epP     03:21:51.03  depth =  49.1X
 DLBC eP      03:21:47.82   0.7   71.0  33                                   DLBC
 KBL  eP      03:21:47.83   0.5   70.9 301 b:6.3+0 .53 4.8                   KBL 
 ARU  eP      03:22:10.26   0.3   74.9 325 b:1.1+1 .44 5.1                   ARU 
 YKA  P       03:22:26.65  -0.4   77.9  28                                   YKA 
      LR      04:01:18.53                                  
 NEW  eP      03:22:40.60   0.0   80.3  42 b:5.4+0 .85 4.5                   NEW 
 MTUM eP      03:22:44.81  -6.8X  82.3  53                                   MTUM
      epP     03:23:05.80  depth =  77.6X
 BMO  eP      03:22:45.12   0.0   81.1  46                                   BMO 
 NVAR P       03:22:51.58   0.5   82.2  52                                   NVAR
 KEV  eP      03:22:55.30  -0.7   83.4 342 b:1.3+0 .30 4.5                   KEV 
 ARCESP       03:22:58.85  -0.1   83.9 343                                   ARCE
 ELK  eP      03:22:58.90  -0.3   83.8  49 b:1.6+0 .65 4.2                   ELK 
 MCMT eP      03:23:00.88  -0.2   84.2  45                                   MCMT
 BOZ  eP      03:23:03.19  -0.4   84.7  44 b:1.1+0 .93 3.9                   BOZ 
 JOF  eP      03:23:06.60  -1.0   85.6 336                                   JOF 
 IMW  eP      03:23:08.99  -0.2   85.8  45 b:2.6+0 .75 4.5                   IMW 
 MOOW eP      03:23:10.01   0.0   86.0  45 b:1.1+0 .59 4.3                   MOOW
 TPAW eP      03:23:10.11   0.3   85.9  46 b:1.3+0 .52 4.4                   TPAW
 HWUT eP      03:23:10.67  -0.2   86.1  48 b:1.1+0 .68 4.2                   HWUT
 RLMT eP      03:23:13.36   1.3   86.5  44 b:3.5+0 .65 4.7                   RLMT
 FFC  eP      03:23:13.90   0.1   86.9  33 b:1.0+1 1.4 4.9                   FFC 
      epP     03:23:27.44  depth =  45.5X
 KAF  eP      03:23:17.60  -1.6   88.0 336 b:1.2+0 .30 4.6                   KAF 
 KIV  eP      03:23:20.15  -0.3   88.2 316 b:1.1+1 .95 5.1                   KIV 
 FINESP       03:23:20.30  -1.2   88.5 336                                   FINE
      LR      04:04:47.93                                  
 ULM  P       03:23:38.45  -1.0   92.3  35                                   ULM 
      LR      04:04:19.84                                  
 MALT eP      03:23:45.03   0.0   93.4 312 b:7.3+0 1.2 5.0                   MALT
 NOA  P       03:23:47.44   0.0   94.1 340                                   NOA 
      LR      04:09:51.69                                  
 LSZ  ePKPdf  03:29:25.61   0.8  122.1 263                                   LSZ 
 PMSA ePKPdf  03:29:35.11  -0.2  128.4 163                                   PMSA
 TORD PKP     03:29:48.03  -0.6  134.5 310                                   TORD
      PP      03:32:21.35   0.8X
 DBIC ePKPdf  03:30:01.95  -2.9  143.6 309                                   DBIC
 LVC  ePKPbc  03:30:09.16   1.0  145.4 104                                   LVC 
 LPAZ ePKPbc  03:30:10.73   0.8  145.8  93                                   LPAZ
 CPUP PKPab   03:30:49.30   0.7  155.4 115                                   CPUP



 Generated 2007 JUL 21 at 01:39 UTC

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

 


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