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Earthquake Hazards Program
Phase Data

Explanation of Parameters


      5 JAN 2008  (  5)

     ot  = 06:18:48.39   +/-   0.18              CATANDUANES, PHILIPPINES        
     lat =      14.229   +/-    3.5
     lon =     124.606   +/-    4.5              MAGNITUDE 5.4 (GS)       
     dep =        35.0  (geophysicist)

     50 km (30 miles) ENE of Pandan, Catanduanes, Philippines (pop N/A)
     150 km (95 miles) NE of Legaspi, Luzon, Philippines (pop 157,000)
     170 km (105 miles) ENE of Naga, Luzon, Philippines
     395 km (245 miles) E of MANILA, Philippines

     nph =   99 of 107    se = 0.87    FE=249                            A   

     error ellipse = ( 68.7,  0.0,  6.1;158.7,  0.0,  4.3;  0.0,  0.0,  0.0)

 mb = 5.3 ( 57)  ML = 0.0 (  0)  mblg = 4.1 ( 10)  md = 0.0 (  0)  MS = 0.0 (  0)

 sta  phase     arrival     res   dist azm    amp  per mag     amp  per mag  sta
 TWG  ePn     06:20:57.03  -1.3    9.2 339 d:5.0+0     4.1X L:5.2-2 .55 4.3X TWG 
                                           g:3.4-2 .70 3.6  b:2.7+1 .55 5.6X
 YULB ePn     06:21:00.37  -4.3X   9.6 342 d:1.7+2     7.3X L:1.6-1 .75 4.9X YULB
                                           g:1.2-1 .85 4.1  b:7.8+1 .70 6.0X
 TPUB ePn     06:21:05.49  -1.1    9.8 338 d:8.1+1     6.8X L:1.9-1 1.2 5.0X TPUB
                                           g:1.3-1 1.0 4.1  b:2.4+2 1.2 6.3X
 SSLB ePn     06:21:09.85  -1.4   10.1 341 g:1.1-1 1.0 4.0  b:6.9+1 .75 6.0X SSLB
 NACB ePn     06:21:13.46  -0.2   10.3 344 g:5.6-2 1.0 3.7  b:4.8+1 .90 5.7X NACB
 YHNB ePn     06:21:18.67  -2.3   10.8 344 g:1.6-1 1.0 4.2  b:1.6+2 1.0 6.1X YHNB
 KKM  ePn     06:21:35.98   4.5X  11.6 226 g:6.3-2 1.1 3.8  b:1.7+2 1.4 6.0X KKM 
 GUMO eP      06:23:16.10   1.4   19.7  89 g:4.0-1 1.2 5.0  b:4.0+2 1.2 5.6  GUMO
 CM31 eP      06:24:07.99  -0.9   25.0 283 b:7.6+1 .84 5.3                   CM31
 CMAR ePc     06:24:08.10  -0.8   25.0 283                                   CMAR
 CHTO eP      06:24:08.19  -1.1   25.0 284 b:2.5+1 .80 4.9                   CHTO
 MAJO eP      06:24:10.22  -1.8   25.3  26 b:7.0+1 1.5 5.0                   MAJO
 KULM eP      06:24:12.42   1.4   25.2 252 g:5.3-2 1.1 4.3  b:8.5+1 1.3 5.2  KULM
 BJT  eP      06:24:24.26  -0.4   26.7 345 g:7.4-2 1.1 4.5  b:7.4+1 1.1 5.2  BJT 
 FITZ eP      06:25:11.10  -1.7   32.1 178 b:2.1+1 .93 5.0                   FITZ
 COEN eP      06:25:23.82  -0.9   33.5 146 b:6.9+1 1.1 5.5                   COEN
 LSA  eP      06:25:34.45   0.7   34.5 302 b:3.2+1 .85 5.3                   LSA 
 HIA  eP      06:25:38.28  -0.6   35.2 354 b:2.2+1 1.0 5.1                   HIA 
 WRAB eP      06:25:39.18  -0.9   35.3 164 b:1.1+2 1.6 5.5                   WRAB
 MBWA eP      06:25:41.25  -0.6   35.5 188 b:1.4+1 .81 4.9                   MBWA
 YSS  eP      06:25:44.90  -0.9   36.0  21                                   YSS 
 ULN  eP      06:25:51.38   0.3   36.6 340                                   ULN 
 CTAO eP      06:26:21.83   0.1   40.2 148 b:6.4+1 1.4 5.2                   CTAO
 TLY  eP      06:26:28.44   0.6   41.0 340 b:4.8+1 1.3 5.1                   TLY 
 FORT eP      06:26:58.98  -0.5   44.9 176 b:3.0+2 1.9 5.8                   FORT
 PEA0BeP      06:27:14.66   0.2   46.8  27                                   PEA0
 EIDS eP      06:27:15.95  -0.9   47.1 147 b:2.7+1 1.0 5.2                   EIDS
 PET  eP      06:27:17.65   0.4   47.2  27 b:2.0+2 1.5 5.9                   PET 
 NWAO eP      06:27:18.13  -1.3   47.4 188 b:4.6+1 1.2 5.4                   NWAO
 YAK  eP      06:27:21.50  -1.1   47.9   3 b:4.1+1 1.1 5.3                   YAK 
 MKAR ePc     06:27:23.70   0.3   47.9 321                                   MKAR
 MK31 eP      06:27:23.81   0.4   47.9 321                                   MK31
      e       06:27:33.98  depth =  34.4X
 STKA eP      06:27:29.14   0.1   48.7 161 b:1.7+1 .90 5.1                   STKA
 ZAA0 eP      06:27:41.39  -0.7   50.4 331                                   ZAA0
      e       06:27:52.41  depth =  38.2X
 TKM2 eP      06:27:45.33   0.2   50.7 314 b:4.4+1 1.4 5.2                   TKM2
 UCH  eP      06:27:50.66   1.1   51.3 313 b:2.9+1 1.1 5.2                   UCH 
 AAK  eP      06:27:50.75   0.6   51.4 314 b:2.3+1 1.3 5.0                   AAK 
 KURK eP      06:27:53.32  -0.2   51.9 324 b:1.0+2 1.1 5.7                   KURK
 AML  eP      06:27:54.34   0.8   51.8 313 b:5.0+1 1.0 5.4                   AML 
 EKS2 eP      06:27:54.75   0.8   51.9 313 b:5.3+1 1.4 5.3                   EKS2
 SEY  iPc     06:27:58.50   1.3   52.4  16                                   SEY 
 KBL  eP      06:28:08.29   0.2   53.8 302 b:5.4+1 1.3 5.4                   KBL 
 KK31 ePc     06:28:11.90   0.2   54.4 313                                   KK31
 CAN  eP      06:28:13.33   1.0   54.4 155 b:8.1+1 1.3 5.6                   CAN 
 TIXI eP      06:28:32.43  -0.9   57.5   2 b:1.5+2 1.8 5.7                   TIXI
 BRVK eP      06:28:35.12   0.5   57.6 324 b:4.2+1 1.0 5.4                   BRVK
 BILL eP      06:28:51.67   0.0   60.1  17 b:5.0+1 1.1 5.5                   BILL
 TAU  eP      06:28:55.46   0.2   60.6 161 b:3.6+1 .99 5.5                   TAU 
 AKTK iP      06:29:19.50  -0.6   64.3 319                                   AKTK
 ARU  eP      06:29:24.72  -0.3   65.0 326 b:2.3+1 .70 5.4                   ARU 
 TNA  eP      06:29:43.40   0.5   67.9  25 b:2.6+0 .88 4.3                   TNA 
 SVW2 eP      06:30:13.42   0.6   72.7  30                                   SVW2
 GNI  eP      06:30:18.10   1.4   73.3 308                                   GNI 
 PPLA eP      06:30:22.41  -0.1   74.4  28 b:5.5+1 1.4 5.3                   PPLA
 CHUM eP      06:30:22.45   0.6   74.3  27 b:2.9+1 1.2 5.1                   CHUM
 KIV  eP      06:30:24.30   0.7   74.5 312 b:4.2+1 .80 5.5                   KIV 
 KTH  eP      06:30:25.48  -0.1   74.9  27 b:1.7+1 1.1 4.9                   KTH 
 BPAW eP      06:30:25.63   0.3   74.9  27 b:1.2+2 1.2 5.7                   BPAW
 TRF  eP      06:30:27.38   0.0   75.2  28 b:7.2+1 1.4 5.5                   TRF 
 COLD eP      06:30:27.45   0.8   75.1  24 b:2.3+1 1.1 5.1                   COLD
 PMR  eP      06:30:30.01  -0.8   75.8  29 b:3.5+1 1.2 5.2                   PMR 
 MCK  eP      06:30:30.26  -0.3   75.8  27 b:1.1+2 1.1 5.7                   MCK 
 COLA eP      06:30:31.49  -1.3   76.2  26 b:1.9+1 1.1 5.0                   COLA
 OBN  eP      06:30:39.16  -0.3   77.4 324 b:1.0+2 1.2 5.7                   OBN 
 PAX  eP      06:30:39.77  -0.1   77.4  28 b:3.7+1 1.2 5.3                   PAX 
 MENT eP      06:30:44.56   0.3   78.2  28                                   MENT
 MALT eP      06:30:47.00   1.3   78.4 307 b:7.4+1 1.4 5.5                   MALT
 EGAK eP      06:30:48.81   0.1   79.0  26 b:2.4+1 .85 5.2                   EGAK
 DAWY eP      06:30:54.16   0.5   79.9  26                                   DAWY
 ARE0 eP      06:30:54.54   1.0   79.9 339                                   ARE0
 CASY eP      06:30:57.85  -0.9   81.0 186 b:9.2+1 1.3 5.6                   CASY
 PNL  eP      06:30:59.08   0.5   80.8  31 b:5.9+1 1.3 5.4                   PNL 
 HYT  eP      06:31:03.14   0.9   81.5  29                                   HYT 
 BR131eP      06:31:04.11  -0.1   81.8 309 b:5.2+0 .75 4.6                   BR13
 VSU  iPc     06:31:04.80  -0.2   82.1 328                                   VSU 
 KIEV eP      06:31:06.49  -1.0   82.5 320 b:3.5+1 1.3 5.3                   KIEV
 BRTR ePc     06:31:06.60   2.4   81.8 309                                   BRTR
 AKBB eP      06:31:08.79   1.4   82.5 320                                   AKBB
 SKAG eP      06:31:10.19   0.8   82.9  30 b:3.4+1 1.1 5.3                   SKAG
 ABPO eP      06:31:10.77   0.0   83.0 248 b:3.6+1 .98 5.4                   ABPO
 TLCR Pc      06:31:16.27   0.7   84.1 315                                   TLCR
 ISP  eP      06:31:17.50  -1.1   84.6 308                                   ISP 
 HARR Pc      06:31:20.51   1.2   84.8 315                                   HARR
 SUW  eP      06:31:20.68  -0.5   85.2 325 b:1.3+2 1.0 6.0                   SUW 
 VRI  Pc      06:31:22.83   0.9   85.3 316                                   VRI 
 BURARPd      06:31:24.42  -0.2   85.8 318                                   BURA
 BUR08eP      06:31:24.60   0.0   85.8 318                                   BUR0
 MLR  Pd      06:31:25.29   0.1   85.9 316                                   MLR 
 DLBC eP      06:31:25.68   1.3   85.8  31                                   DLBC
 VOIR Pc      06:31:29.02   0.8   86.6 316                                   VOIR
 DRGR Pc      06:31:33.33  -0.4   87.7 318                                   DRGR
 RES  eP      06:31:33.65  -0.3   87.9  10 b:3.0+1 .93 5.6                   RES 
 PSZ  eP      06:31:40.20  -0.3   89.1 319 b:1.4+1 .99 5.2                   PSZ 
 JCT  ePKPdf  06:37:32.75  -0.1  118.3  43                                   JCT 
 WVT  ePKPdf  06:37:37.66  -0.6  121.3  31                                   WVT 
      eSKPdf  06:41:09.20  -2.0X
 TKL  ePKPdf  06:37:42.53  -0.2  123.6  28                                   TKL 
 PLCA ePKPdf  06:38:31.81   0.4  150.5 156                                   PLCA
      ePKPbc  06:38:37.58   0.9X
 SDV  ePKPdf  06:38:35.68   0.3  152.5  34                                   SDV 
      ePKPbc  06:38:42.35   0.0X
 OTAV ePKPdf  06:38:37.87   1.3  153.0  60                                   OTAV
 NNA  ePKPdf  06:38:42.19  -1.6  159.0  86                                   NNA 
 CPUP ePKPdf  06:38:51.66  -0.1  167.8 172                                   CPUP
      ePKPab  06:39:58.64   0.3X



 Generated 2008 JAN 11 at 11:44 UTC

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


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