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Earthquake Hazards Program
Phase Data

Explanation of Parameters


     18 JUL 2007  (199)

     ot  = 18:01:19.68   +/-   0.85              IZU ISLANDS, JAPAN REGION       
     lat =      30.734   +/-    3.8
     lon =     138.343   +/-    3.9              MAGNITUDE 4.9 (GS)       
     dep =       348.7   +/-    8.4   

     295 km (185 miles) SSW of Hachijo-jima, Izu Islands, Japan
     445 km (275 miles) S of Hamamatsu, Honshu, Japan
     470 km (290 miles) SSE of Tsu, Honshu, Japan
     565 km (350 miles) SSW of TOKYO, Japan

     nph =  113 of 119    se = 0.77    FE=211                            A   

     error ellipse = (314.2, 80.2, 13.0;132.3,  9.8,  6.2;222.4,  0.3,  5.2)

 mb = 4.8 ( 76)  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
 MAJO eP      18:02:45.79  -2.2    5.8 359 d:2.7+2     6.2X L:1.6+0 1.0 5.2X MAJO
                                           g:1.4+0 1.0 4.7X b:1.4+3 1.0 5.8 
 TATO eP      18:04:48.58   3.7X  16.0 253 g:1.3-1 1.1 4.4X b:5.2+1 .45 5.2  TATO
 BJT  eP      18:05:30.10   0.0   20.3 303 g:2.9-1 1.5 4.7X b:2.9+2 1.5 5.4  BJT 
 HIA  eP      18:05:58.78   1.6   23.2 328 g:1.2-1 .85 4.7X b:7.6+1 .60 5.2  HIA 
 PET  eP      18:06:28.28   0.0   26.7  28 g:4.2-2 1.0 4.3X b:4.2+1 1.0 4.7  PET 
 QIZ  qP      18:06:42.83   0.6   28.3 252                                   QIZ 
 MA2  eP      18:06:57.58   0.3   30.0  13 b:5.4+1 1.3 4.7                   MA2 
 YAK  eP      18:07:11.95  -0.7   31.8 352 b:7.5+1 1.0 5.0                   YAK 
 AMKA eP      18:07:53.14   0.4   36.5  44                                   AMKA
 CM31 eP      18:08:05.12   2.2   37.7 260                                   CM31
 BILL eP      18:08:28.34   0.7   40.8  16 b:9.5+1 .95 5.0                   BILL
 LSA  eP      18:08:28.98   2.0   40.6 281 b:1.1+2 1.6 4.8                   LSA 
 KAKA eP      18:08:50.27  -0.2   43.6 188 b:7.7+1 .95 4.9                   KAKA
 COEN eP      18:08:59.53   0.3   44.7 173 b:5.9+0 .45 4.1                   COEN
 KURK iPd     18:09:25.34   0.5   48.0 312 b:2.6+0 .55 3.7X                  KURK
 FITZ eP      18:09:40.71   0.4   50.1 196 b:6.0+1 1.1 4.8                   FITZ
 WB2  eP      18:09:43.27  -0.5   50.5 185                                   WB2 
 WRAB eP      18:09:43.36  -0.3   50.5 185 b:1.6+1 .45 4.7                   WRAB
 CTAO eP      18:09:47.68  -0.3   51.1 170 b:2.5+1 1.2 4.4                   CTAO
 UCH  eP      18:09:53.08   1.8   51.5 302 b:3.4+1 .55 4.9                   UCH 
 TTA  eP      18:09:54.73   0.0   52.1  32 b:2.7+1 1.1 4.5                   TTA 
 SVW2 eP      18:09:55.22   0.3   52.1  34                                   SVW2
 BRVK eP      18:10:03.07   0.4   53.2 316 b:1.3+2 .65 5.4                   BRVK
      ePcP    18:11:05.53   0.0X
 KDAK eP      18:10:04.58  -0.7   53.5  38                                   KDAK
 IMA2 eP      18:10:04.62   0.2   53.4  28                                   IMA2
      ePcP    18:11:06.35  -0.1X
 MBWA eP      18:10:13.63   0.3   54.6 201 b:4.1+1 .73 4.9                   MBWA
 PMR  eP      18:10:17.43   0.2   55.2  34 b:8.8+1 1.6 4.9                   PMR 
 COLA eP      18:10:22.00   0.9   55.8  30 b:1.4+1 .80 4.5                   COLA
 KBL  eP      18:10:33.66   0.2   57.4 294 b:3.5+1 .55 5.0                   KBL 
 EGAK eP      18:10:40.32  -0.6   58.6  30 b:6.5+0 .60 4.2                   EGAK
 ARU  eP      18:10:46.24  -0.6   59.5 321 b:1.5+2 .60 5.7                   ARU 
 INK  eP      18:10:57.65  -0.1   61.2  25 b:4.6+2 .98 6.0X                  INK 
 FORT eP      18:11:03.53   0.0   61.9 190 b:1.6+1 .65 4.7                   FORT
 SKAG eP      18:11:06.02   0.7   62.3  35 b:1.1+1 .82 4.5                   SKAG
 STKA eP      18:11:06.12   0.0   62.3 177 b:2.8+1 .63 5.0                   STKA
 DLBC eP      18:11:25.23   0.9   65.2  35                                   DLBC
 SPB4 eP      18:11:31.09   0.7   66.2 349                                   SPB4
 NWAO eP      18:11:32.17   0.1   66.4 199 b:1.9+1 .75 4.9                   NWAO
 KEV  eP      18:11:44.91   0.7   68.4 340 b:1.6+2 1.5 5.5                   KEV 
 ARE0 eP      18:11:48.51   0.8   69.0 340                                   ARE0
 OBN  eP      18:12:03.19  -0.6   71.6 324 b:3.9+1 .60 5.3                   OBN 
 PGC  eP      18:12:10.38   0.8   72.6  43 b:1.6+1 .93 4.7                   PGC 
 NLWA eP      18:12:12.38   0.8   72.9  45 b:2.3+1 1.3 4.7                   NLWA
 KIV  eP      18:12:13.47   0.6   73.1 311 b:1.4+2 .85 5.7                   KIV 
 GNI  eP      18:12:16.19   1.3   73.4 307 b:6.7+1 .95 5.3                   GNI 
 JCW  eP      18:12:16.87   0.7   73.7  43                                   JCW 
 HOOD eP      18:12:25.59   0.5   75.2  46 b:1.4+1 .80 4.7                   HOOD
 EDM  eP      18:12:27.92  -0.6   75.9  36                                   EDM 
 YBH  eP      18:12:31.76   0.8   76.3  50 b:5.5+0 1.0 4.2                   YBH 
 NEW  eP      18:12:31.78   0.0   76.5  42 b:2.0+0 .50 4.2                   NEW 
 KIPM eP      18:12:33.88   0.5   76.7  52                                   KIPM
 KCPM eP      18:12:33.98   0.7   76.7  52                                   KCPM
 SUMG eP      18:12:35.40   1.0   76.9 359 b:1.6+1 1.1 4.7                   SUMG
 MALT eP      18:12:36.98  -6.9X  78.6 308 b:8.8+0 .60 4.8                   MALT
 AKBB eP      18:12:38.01  -0.4   77.7 322                                   AKBB
 KIEV eP      18:12:38.09  -0.4   77.7 322 b:8.2+1 .50 5.8                   KIEV
 MOD  eP      18:12:39.16  -0.1   77.8  48 b:1.5+1 1.2 4.7                   MOD 
 WALA eP      18:12:39.29  -0.2   77.9  40 b:8.6+0 .65 4.7                   WALA
 SUW  eP      18:12:43.70  -0.6   78.8 327 b:1.8+2 .90 5.9X                  SUW 
 NAO01eP      18:12:46.10  -0.4   79.2 337 b:1.1+1 .70 4.8                   NAO0
 CHMT eP      18:12:47.25  -0.8   79.4  41                                   CHMT
 CMB  eP      18:12:49.28  -0.2   79.7  52 b:5.7+0 .65 4.5                   CMB 
 HRY  eP      18:12:53.07   0.2   80.3  41                                   HRY 
 HLID eP      18:12:54.49   0.2   80.6  45 b:4.8+0 .83 4.4                   HLID
 DLMT eP      18:12:54.70   0.1   80.7  42 b:1.7+1 .75 5.0                   DLMT
 BOZ  eP      18:12:56.43  -0.3   81.1  42 b:7.7+0 .63 4.7                   BOZ 
 MTUM eP      18:12:58.03   0.0   81.3  52                                   MTUM
 ANTO eP      18:12:59.19  -0.1   81.5 311 b:5.3+1 .65 5.5                   ANTO
 TIRR eP      18:12:59.77   0.0   81.7 317 b:3.8+1 1.0 5.2                   TIRR
 ELK  eP      18:12:59.93   0.0   81.6  47 b:1.8+1 1.6 4.6                   ELK 
 KWP  eP      18:13:00.06   0.2   81.7 324 b:1.8+2 1.0 5.9X                  KWP 
 QLMT eP      18:13:00.30   0.5   81.6  42                                   QLMT
 GCMT eP      18:13:02.19   0.1   82.1  41                                   GCMT
 IMW  eP      18:13:04.79   0.6   82.5  43 b:9.5+0 .70 4.7                   IMW 
 HVU  eP      18:13:04.97   0.3   82.6  46 b:1.4+1 1.0 4.7                   HVU 
 RRI2 eP      18:13:05.21   0.5   82.6  44 b:5.8+0 .70 4.5                   RRI2
 RLMT eP      18:13:05.34   0.3   82.7  41 b:1.1+1 .60 4.8                   RLMT
 MOOW eP      18:13:05.53   0.4   82.7  43 b:2.7+0 .68 4.2                   MOOW
 TPAW eP      18:13:06.04   0.6   82.7  43 b:4.4+0 .60 4.5                   TPAW
 BGU  eP      18:13:06.70   0.3   82.9  46                                   BGU 
 TPNV eP      18:13:07.02  -0.1   83.0  51 b:3.5+1 1.3 5.0                   TPNV
 DUG  eP      18:13:08.92  -0.3   83.5  47 b:2.2+1 1.0 4.9                   DUG 
 GSC  eP      18:13:09.57  -0.2   83.6  53 b:3.2+1 1.2 5.0                   GSC 
 NOQ  eP      18:13:10.47   0.4   83.6  46 b:1.9+1 .70 5.0                   NOQ 
 CSS  eP      18:13:10.76  -0.4   83.9 307 b:3.1+1 .65 5.3                   CSS 
 RUE  eP      18:13:11.14  -0.5   84.1 330 b:3.5+1 .60 5.4                   RUE 
 MORC eP      18:13:11.88  -0.6   84.2 326 b:6.3+0 .55 4.7                   MORC
 JLU  eP      18:13:12.41   0.0   84.1  46                                   JLU 
 NLU  eP      18:13:12.49   0.2   84.1  47                                   NLU 
 PSZ  eP      18:13:12.87   0.0   84.2 324 b:8.5+1 1.6 5.3                   PSZ 
 DAU  eP      18:13:13.65   0.0   84.3  46                                   DAU 
 CCUT eP      18:13:15.11   0.0   84.6  49                                   CCUT
 PFO  eP      18:13:15.42  -0.2   84.7  54 b:2.1+1 1.0 4.9                   PFO 
 MSU  eP      18:13:16.64   0.5   84.8  48                                   MSU 
 SRU  eP      18:13:19.25  -0.3   85.5  47 b:6.8+0 .80 4.6                   SRU 
 RWWY eP      18:13:21.46  -0.3   86.0  43 b:1.8+1 1.3 4.8                   RWWY
 RSSD eP      18:13:22.40  -0.6   86.3  40 b:2.5+0 .70 4.3                   RSSD
 GEC2 eP      18:13:23.49  -1.1   86.7 327                                   GEC2
 PV10 eP      18:13:26.24   0.0   86.9  47                                   PV10
 PV01 eP      18:13:27.97  -0.3   87.3  47                                   PV01
 SMCO eP      18:13:30.16   0.1   87.7  45 b:3.4+0 .83 4.3                   SMCO
 BFO  eP      18:13:37.01  -0.8   89.5 329 b:1.7+1 .70 5.1                   BFO 
 SDCO eP      18:13:38.51   0.1   89.5  45 b:5.0+0 .70 4.6                   SDCO
 TUE  eP      18:13:40.83  -1.5   90.4 328 b:1.4+1 .60 5.1                   TUE 
 AQU  eP      18:13:45.93  -0.9   91.4 323 b:7.3+0 .50 4.9                   AQU 
 CUC  eP      18:13:46.46  -2.0   91.7 320 b:5.6+0 .55 4.8                   CUC 
 TIP  eP      18:13:47.96  -0.6   91.8 319 b:9.4+0 .65 4.9                   TIP 
 BNI  eP      18:13:50.71  -2.2   92.7 328 b:1.0+1 .55 5.1                   BNI 
 CEL  eP      18:13:52.51  -1.3   92.9 318 b:3.0+1 .70 5.4                   CEL 
 VNDA ePKiKP  18:19:05.99  -0.9  108.9 175                                   VNDA
 SBA  ePKiKP  18:19:07.92  -0.3  109.7 174                                   SBA 
 TOA0 ePKPdf  18:19:27.73  -1.8  119.7 310                                   TOA0
 LBTB ePKPdf  18:19:31.24  -0.5  121.1 258                                   LBTB
 SDV  ePKPdf  18:19:50.92  -1.7  131.8  40                                   SDV 
 PMSA ePKPpre 18:20:08.73  -3.0X 143.2 164                                   PMSA
 LPAZ ePKPdf  18:20:27.93  -0.3  151.9  65                                   LPAZ
      ePKPbc  18:20:34.65  -0.4X



 Generated 2007 JUL 18 at 21:43 UTC

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

 


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