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Earthquake Hazards Program
Phase Data

Explanation of Parameters


     29 JUL 2007  (210)

     ot  = 02:43:39.58   +/-   1.21              MARIANA ISLANDS REGION          
     lat =      20.000   +/-    3.8
     lon =     146.146   +/-    4.0              MAGNITUDE 4.8 (GS)       
     dep =        61.5   +/-   11.3   

     145 km (90 miles) ESE of Farallon de Pajaros, N. Mariana Islands (pop none)
     145 km (90 miles) NNE of Agrihan, Northern Mariana Islands (pop < 10)
     535 km (330 miles) N of SAIPAN, Northern Mariana Islands
     735 km (460 miles) NNE of HAGATNA, Guam

     nph =   91 of  99    se = 0.69    FE=215                            A   

     error ellipse = (218.8, 79.1, 17.5;127.4,  0.3,  6.4; 37.4, 10.9,  4.3)

 mb = 4.8 ( 56)  ML = 0.0 (  0)  mblg = 0.0 (  0)  md = 0.0 (  0)  MS = 0.0 (  0)

 sta  phase     arrival     res   dist azm    amp  per mag     amp  per mag  sta
 GUMO ePn     02:45:13.26   0.7    6.5 191 d:6.0+1     5.2X L:2.3-1 .75 4.5X GUMO
                                           g:2.4-1 1.0 4.0X b:1.5+2 .75 5.6X
 YHNB eP      02:48:41.55  -1.4   23.4 286 g:2.2-2 .85 4.0X b:2.2+1 .85 4.6  YHNB
 MDJ  eP      02:49:26.25   0.4   28.1 334 g:1.3-2 .70 4.0X b:1.3+1 .70 4.7  MDJ 
 PMG  eP      02:49:34.65  -1.2   29.2 178 g:8.4-2 1.2 4.6X b:8.4+1 1.2 5.3  PMG 
 KKM  eP      02:50:03.37   1.1   32.2 249                                   KKM 
 COEN eP      02:50:16.27  -0.2   33.9 185 b:6.9+0 .80 4.6                   COEN
 KAKA eP      02:50:27.35  -0.6   35.2 204 b:1.8+1 .63 5.2                   KAKA
 KAPI eP      02:50:34.13  -0.2   35.9 229 b:1.3+1 .65 5.0                   KAPI
 KSM  eP      02:51:05.33   0.2   39.6 247                                   KSM 
 CTAO eP      02:51:06.12  -1.1   39.8 180 b:1.1+1 .95 4.7                   CTAO
 WRAB eP      02:51:19.11  -0.4   41.3 197 b:4.8+1 .80 5.3                   WRAB
 WB2  eP      02:51:19.16  -0.4   41.3 197                                   WB2 
 FITZ eP      02:51:32.20   0.1   42.9 209 b:2.0+1 .68 5.0                   FITZ
 YAK  eP      02:51:36.37  -0.5   43.5 349 b:2.5+1 .53 5.2                   YAK 
 CHTO eP      02:51:44.85   0.2   44.4 277 b:4.5+0 .80 4.3                   CHTO
 CM31 eP      02:51:45.58   0.4   44.5 276                                   CM31
 TLY  eP      02:51:54.92   0.1   45.8 324 b:5.2+0 1.0 4.4                   TLY 
 MBWA eP      02:52:15.72   0.2   48.4 214 b:1.1+1 .78 4.9                   MBWA
 LSA  eP      02:52:32.55   0.8   50.4 292 b:2.1+1 .65 5.3                   LSA 
 FORT eP      02:52:53.28   0.2   53.4 199 b:2.5+0 .60 4.4                   FORT
 OHAK eP      02:53:22.35  -0.2   57.5  34 b:2.1+1 1.0 5.2                   OHAK
 MK31 eP      02:53:24.87  -0.3   57.9 313                                   MK31
 CHUM eP      02:53:38.46   0.4   59.8  27                                   CHUM
 PPLA eP      02:53:40.26   3.6X  59.6  28                                   PPLA
 RC01 eP      02:53:40.38  -0.7   60.2  30 b:1.1+1 .86 5.0                   RC01
 SEW  eP      02:53:41.12   0.6   60.1  31                                   SEW 
 KTH  eP      02:53:41.15  -0.5   60.3  27 b:2.3+1 1.1 5.2                   KTH 
 BPAW eP      02:53:42.41   0.0   60.4  27                                   BPAW
 TRF  eP      02:53:42.55  -0.9   60.5  28 b:2.3+1 1.0 5.3                   TRF 
 KURK eP      02:53:43.19  -0.6   60.6 318 b:3.4+1 1.0 5.4                   KURK
      epP     02:53:54.32  depth =  37.6X
 MCK  eP      02:53:46.74  -1.0   61.2  27 b:1.1+1 1.1 4.9                   MCK 
 TKM2 eP      02:53:57.95   0.4   62.6 309 b:7.0+0 .68 4.9                   TKM2
 BMRM eP      02:53:58.35   0.8   62.7  31                                   BMRM
 UCH  eP      02:54:04.43   1.0   63.4 308 b:5.3+0 .73 4.7                   UCH 
 EKS2 eP      02:54:06.93   0.5   63.9 308 b:7.7+0 .95 4.7                   EKS2
 AML  eP      02:54:08.13   0.8   64.0 308 b:1.8+1 1.0 5.0                   AML 
 EGAK eP      02:54:10.82  -0.2   64.7  27 b:4.1+0 .85 4.4                   EGAK
 DAWY eP      02:54:15.35  -0.3   65.4  28                                   DAWY
 BRVK eP      02:54:18.31   0.0   65.8 320 b:3.0+1 .75 5.4                   BRVK
      epP     02:54:29.82  depth =  38.4X
 INK  eP      02:54:31.24  -0.8   68.0  23 b:2.0+2 1.0 6.0X                  INK 
 KBL  eP      02:54:36.62   0.1   68.6 300 b:6.6+1 1.0 5.5                   KBL 
      epP     02:54:48.67  depth =  40.7X
 DLBC eP      02:54:45.15   0.7   70.0  34                                   DLBC
 ARU  eP      02:54:57.57  -0.6   72.3 324 b:7.6+0 .80 4.7                   ARU 
 JCW  eP      02:55:24.08   0.4   76.6  43                                   JCW 
 ETW  eP      02:55:30.43  -0.1   77.8  44                                   ETW 
 NEW  eP      02:55:41.03   0.4   79.7  42 b:6.8+0 1.0 4.5                   NEW 
 CMB  eP      02:55:45.68  -0.1   80.6  53 b:1.3+1 1.4 4.7                   CMB 
 BMO  eP      02:55:46.42   0.4   80.6  46 b:4.7+0 .88 4.4                   BMO 
 WALA eP      02:55:49.90  -0.2   81.4  41 b:5.1+0 .83 4.5                   WALA
 CHMT eP      02:55:54.20  -2.2   82.6  43                                   CHMT
 HLID eP      02:55:58.67   0.0   83.0  46 b:4.4+0 1.3 4.3                   HLID
      epP     02:56:09.74  depth =  35.6X
 ELK  eP      02:56:01.35   0.3   83.5  49 b:5.7+0 .88 4.6                   ELK 
 MCMT eP      02:56:01.86   0.0   83.6  45                                   MCMT
 TPNV eP      02:56:03.53  -0.5   84.0  53 b:6.8+0 1.1 4.6                   TPNV
 BOZ  eP      02:56:04.10  -0.1   84.1  44 b:5.7+0 1.2 4.5                   BOZ 
 OBN  eP      02:56:04.87  -0.4   84.4 327 b:9.8+0 .52 5.1                   OBN 
 HVU  eP      02:56:06.56  -1.2   84.8  47 b:9.6+0 1.2 4.7                   HVU 
 QLMT eP      02:56:07.12   0.6   84.6  44                                   QLMT
 SPUT eP      02:56:09.84   0.0   85.2  48                                   SPUT
 RRI2 eP      02:56:10.22   0.3   85.2  46 b:6.8+0 .93 4.7                   RRI2
 GCMT eP      02:56:10.32   0.1   85.3  43                                   GCMT
 YFT  eP      02:56:10.37   1.1   85.1  44                                   YFT 
 IMW  eP      02:56:10.42   0.3   85.2  45                                   IMW 
 DUG  eP      02:56:10.87   0.2   85.4  49 b:1.6+1 1.4 4.9                   DUG 
 MOOW eP      02:56:11.05   0.1   85.4  45 b:6.1+0 1.2 4.6                   MOOW
 TPAW eP      02:56:11.11   0.3   85.4  45 b:7.2+0 1.0 4.7                   TPAW
 LOHW eP      02:56:11.86   0.2   85.6  45 b:8.8+0 1.3 4.7                   LOHW
 RLMT eP      02:56:13.77   1.1   85.8  43 b:5.8+0 .75 4.8                   RLMT
 CCUT eP      02:56:14.13   0.4   86.0  52                                   CCUT
 JLU  eP      02:56:15.10   0.3   86.2  48                                   JLU 
 DAU  eP      02:56:15.85   0.0   86.4  48                                   DAU 
 BW06 eP      02:56:15.90  -0.9   86.6  46 b:3.0+0 .98 4.4                   BW06
 MSU  eP      02:56:16.62   0.4   86.5  50                                   MSU 
 SRU  eP      02:56:20.79   0.0   87.4  49 b:3.2+0 .62 4.7                   SRU 
 WUAZ eP      02:56:25.16   0.5   88.2  53 b:6.7+0 .98 4.8                   WUAZ
 PV10 eP      02:56:27.87   0.5   88.8  49                                   PV10
 PV01 eP      02:56:29.41   0.0   89.2  50                                   PV01
 MVCO eP      02:56:31.87   0.4   89.7  50 b:1.5+1 1.4 5.1                   MVCO
      epP     02:56:46.27  depth =  48.8X
 TUC  eP      02:56:32.96   0.3   90.0  56 b:7.0+0 1.4 4.7                   TUC 
 SMCO eP      02:56:33.09   0.4   89.9  48 b:8.7+0 1.1 5.0                   SMCO
 ISCO eP      02:56:35.64  -0.1   90.6  47 b:3.0+0 .78 4.7                   ISCO
 ULM  eP      02:56:36.51  -1.9   91.3  35 b:3.0+0 .98 4.7                   ULM 
 SUW  eP      02:56:38.00  -1.6   91.6 330 b:3.9+1 1.0 5.7                   SUW 
      epP     02:56:47.68  depth =  30.1X
 SDCO eP      02:56:40.63   0.2   91.6  49 b:4.0+0 1.3 4.7                   SDCO
 ANMO eP      02:56:42.48  -0.4   92.1  52 b:2.5+0 1.0 4.6                   ANMO
 LSZ  ePKPdf  03:02:26.35   0.3  121.0 264                                   LSZ 
 SNAA ePKPdf  03:02:31.96  -0.7  125.3 192                                   SNAA
 SDV  ePKPdf  03:02:50.33  -0.4  133.8  55                                   SDV 
      epPKPdf 03:03:01.53  -7.2X
 LCO  ePKPbc  03:03:12.34   0.8  145.4 112                                   LCO 
 LVC  ePKPbc  03:03:18.08   0.9  147.3 101                                   LVC 
 LPAZ ePKPbc  03:03:18.30   0.6  147.3  89                                   LPAZ
 TRQA ePKPbc  03:03:24.34   1.6  149.7 132                                   TRQA



 Generated 2007 JUL 29 at 03:51 UTC

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

 


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