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Earthquake Hazards Program
Phase Data

Explanation of Parameters


      8 OCT 2009  (281)

     ot  = 21:16:12.39   +/-   3.70              SANTA CRUZ ISLANDS              
     lat =     -12.879   +/-    9.7
     lon =     166.200   +/-   10.0              MAGNITUDE 6.2 (GS)       
     dep =        11.3   +/-    2.7   

     240 km (150 miles) S of Lata, Santa Cruz Islands, Solomon Isl.
     310 km (195 miles) NNW of Luganville, Espiritu Santo, Vanuatu
     780 km (485 miles) ESE of HONIARA, Guadalcanal, Solomon Islands
     2115 km (1320 miles) NE of BRISBANE, Queensland, Australia

     nph =  153 of 178    se = 1.82    FE=184                            A   

     error ellipse = ( 54.0,  1.0, 15.5;144.0,  1.0, 14.5;275.0, 87.0,  4.1)

 mb = 5.7 ( 65)  ML = 5.8 (  4)  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
 HNR  ePn     21:17:55.64   0.4    7.0 299 L:2.5+0 2.5 5.7                   HNR 
 MSVF ePn     21:19:12.53   3.4   12.4 114                                   MSVF
 TARA ePn     21:19:54.90   2.1   15.6  26 b:7.0+2 1.0 5.8                   TARA
 PMG  eP      21:20:33.85  -0.3   19.0 279 b:4.6+2 1.1 5.6                   PMG 
 EIDS eP      21:20:34.01   0.9   18.9 227                                   EIDS
 CTAO eP      21:20:49.38  -0.3   20.4 247                                   CTAO
 KWAJ eP      21:21:00.23  -2.0   21.6   4 b:2.5+2 1.1 5.5                   KWAJ
 AFI  eP      21:21:00.68  -0.3   21.4  95 b:1.7+2 1.0 5.4                   AFI 
 ARMA eP      21:21:07.51   0.2   22.0 215                                   ARMA
 COEN eP      21:21:11.43   0.1   22.4 265                                   COEN
 OUZ  eP      21:21:18.71  -0.9   23.2 165                                   OUZ 
      esP     21:21:24.18   1.8 
 KNTN eP      21:21:27.28  -0.4   24.0  67 b:6.0+2 1.4 6.0                   KNTN
 URZ  eP      21:21:56.82   1.8   27.1 161                                   URZ 
 STKA eP      21:22:15.65  -0.7   29.5 226 b:1.1+2 1.7 5.4                   STKA
 RPZ  eP      21:22:29.64  -0.3   31.0 173                                   RPZ 
 WRAB eP      21:22:30.40  -2.4   31.3 253 b:6.1+1 1.1 5.4                   WRAB
 AS01 eP      21:22:38.84  -3.4   32.4 246                                   AS01
 ODZ  eP      21:22:40.92  -0.2   32.3 174 b:1.3+2 1.3 5.7                   ODZ 
 WHZ  eP      21:22:45.00  -1.9   32.9 178                                   WHZ 
 BBOO eP      21:22:55.01  -0.8   33.9 229                                   BBOO
 TAU  eP      21:22:58.30   1.4   34.1 205 b:1.4+2 1.3 5.7                   TAU 
 FORT eP      21:23:40.74  -1.5   39.4 237 b:2.6+2 .80 6.0                   FORT
 FITZ eP      21:23:40.80  -1.5   39.4 257 b:1.5+2 1.3 5.5                   FITZ
 TNTI eP      21:23:55.71   1.2   40.8 287                                   TNTI
 MMRI eP      21:24:15.31   0.2   43.4 271 b:2.9+2 1.3 5.9                   MMRI
 MBWA eP      21:24:28.82   0.2   45.1 253 b:7.2+1 1.1 5.5                   MBWA
 KAPI eP      21:24:40.18   0.2   46.5 275                                   KAPI
 NWAO eP      21:24:56.78  -1.2   48.8 237 b:1.2+3 2.4 6.5                   NWAO
 JOW  eP      21:25:39.63   2.9   54.0 317 b:1.4+2 1.3 5.8                   JOW 
 UGM  eP      21:25:43.96   0.3   54.9 269                                   UGM 
 MAJO eP      21:25:48.55  -1.1   55.8 333 b:7.5+1 .90 5.7                   MAJO
 SBUM eP      21:25:49.71   0.3   55.7 282 b:4.9+1 1.0 5.5                   SBUM
 JNU  eP      21:25:57.03   0.0   56.8 325 b:8.2+1 1.0 5.7                   JNU 
 YULB eP      21:25:57.70   0.5   56.8 309 b:1.3+2 1.3 5.8                   YULB
 KSM  eP      21:25:59.55  -0.8   57.3 280 b:1.2+2 1.0 5.9                   KSM 
 NACB eP      21:25:59.90   1.2   57.0 310 b:2.0+2 1.4 5.9                   NACB
 TPUB eP      21:26:00.96   0.5   57.3 309 b:1.6+2 1.2 5.9                   TPUB
 SSLB eP      21:26:01.66   1.0   57.3 309 b:5.2+1 1.1 5.5                   SSLB
 CISI eP      21:26:02.21  -0.8   57.6 269                                   CISI
 YHNB eP      21:26:03.85   1.8   57.5 311 b:1.2+2 1.0 5.9                   YHNB
 XMIS eP      21:26:17.09   2.8   59.2 265                                   XMIS
 ASAJ eP      21:26:23.28  -0.2   60.7 341                                   ASAJ
 KS01 eP      21:26:29.54  -0.9   61.7 326                                   KS01
 INCN eP      21:26:36.96   1.8   62.4 325 b:1.6+2 1.4 6.0                   INCN
 KOM  eP      21:26:45.01   1.5   63.5 279 b:2.5+2 2.3 6.0                   KOM 
 VNDA eP      21:26:48.92  -0.9   64.7 181 b:1.0+2 1.4 5.8                   VNDA
 CASY eP      21:26:49.33  -1.7   64.8 202 b:1.1+2 1.2 5.9                   CASY
      ePP     21:29:14.03   1.8X
 SBA  eP      21:26:51.77   0.0   65.0 180                                   SBA 
 PEA0 eP      21:26:58.50  -1.0   66.1 354                                   PEA0
 IPM  eP      21:27:05.96   0.1   67.0 281 b:9.0+1 1.0 5.9                   IPM 
 KULM eP      21:27:10.80   1.3   67.6 281 b:2.5+2 2.0 6.1                   KULM
 CM01 eP      21:27:43.54  -0.5   73.2 294                                   CM01
      eP'P'df 21:55:29.39   7.6X
 CHTO eP      21:27:44.90   0.0   73.4 294                                   CHTO
 QSPA eP      21:28:04.23  -1.7   77.1 180 b:1.8+2 1.1 6.1                   QSPA
 ULN  eP      21:28:21.81  -0.3   80.0 324 b:1.2+2 1.2 5.8                   ULN 
 SONA1eP      21:28:23.41  -0.7   80.4 324                                   SONA
      eP'P'df 21:55:13.13   7.0X
 CAST eP      21:28:36.88   1.9   82.5  18 b:2.7+1 .84 5.4                   CAST
 MAW  eP      21:28:38.45   0.1   83.2 202 b:4.4+1 2.2 5.3                   MAW 
 TRF  eP      21:28:38.84   0.8   83.1  18 b:2.3+1 .92 5.4                   TRF 
 MCK  eP      21:28:42.35   1.3   83.7  18 b:5.1+1 1.2 5.6                   MCK 
 COLA eP      21:28:44.15  -2.6   84.9  18                                   COLA
 YBH  eP      21:28:46.70  -0.7   84.8  45                                   YBH 
 PAX  eP      21:28:47.31   3.2   84.3  20                                   PAX 
      ePcP    21:29:01.07  13.2 
 CMB  eP      21:28:48.47  -0.6   85.2  50 b:1.4+1 1.0 5.1                   CMB 
 HUMO eP      21:28:48.74   0.6   85.0  45                                   HUMO
 WWPM eP      21:28:51.07  -3.0   86.2  52                                   WWPM
      ePKiKP  21:34:04.19   1.8 
 BEKR eP      21:28:51.97  -0.5   85.8  48                                   BEKR
 WAKR eP      21:28:52.43  -1.1   86.0  49                                   WAKR
 COLD eP      21:28:53.77   1.7   85.9  16 b:2.5+2 2.6 5.9                   COLD
 K05A eP      21:28:54.47  -1.1   86.5  45                                   K05A
 H04A eP      21:28:55.09   0.5   86.3  43 b:2.5+1 1.2 5.3                   H04A
 PAHR eP      21:28:55.34  -0.3   86.5  48 b:2.1+1 .92 5.3                   PAHR
 EGAK eP      21:28:55.72  -1.3   86.9  20 b:2.4+1 .90 5.4                   EGAK
 MOD  eP      21:28:55.72  -0.4   86.6  46 b:2.0+2 1.8 6.0                   MOD 
 DAWY eP      21:28:56.04  -1.9   87.1  21                                   DAWY
 NV01 eP      21:28:56.10  -1.5   86.9  50                                   NV01
 E03A eP      21:28:56.60   3.1   86.1  41 b:3.1+1 .90 5.5                   E03A
 HYT  eP      21:28:56.90   4.9   85.9  24                                   HYT 
 MWC  esP     21:28:57.39   2.5   85.7  54                                   MWC 
 RVCM eP      21:28:57.72   2.5   86.4  52                                   RVCM
 TPC  eP      21:28:58.28  -1.1   87.3  54                                   TPC 
 PINOReP      21:29:01.39   3.9   86.9  44 b:6.2+1 1.7 5.5                   PINO
 I07A eP      21:29:01.42  -0.9   87.9  44 b:3.3+1 1.3 5.5                   I07A
 J08A eP      21:29:01.75  -2.8   88.4  45 b:1.4+2 2.2 5.9                   J08A
 PALK eP      21:29:01.92   2.2   87.2 278                                   PALK
 GSC  eP      21:29:02.13   3.9   87.0  53                                   GSC 
 LTY  eP      21:29:03.34  -0.5   88.3  41 b:2.9+1 1.3 5.4                   LTY 
 GLA  eP      21:29:04.41   1.8   87.9  56                                   GLA 
 G08A eP      21:29:05.10  -0.9   88.7  43                                   G08A
      ePKKPdf 21:46:48.82   5.0X
 SHPR eP      21:29:05.49  -0.4   88.7  52                                   SHPR
 R11A eP      21:29:06.47  -0.7   88.9  50 b:5.0+1 2.0 5.4                   R11A
 E09A eP      21:29:09.92  -0.3   89.6  42                                   E09A
 B08A eP      21:29:10.45   0.9   89.5  40 b:1.3+2 2.5 5.7                   B08A
 ELK  eP      21:29:10.85  -0.8   89.8  48 b:7.3+1 2.3 5.5                   ELK 
 F10A eP      21:29:11.17  -1.2   90.0  43                                   F10A
 BMO  eP      21:29:11.68   1.2   89.6  44 b:4.9+1 1.8 5.4                   BMO 
      ePKKPdf 21:46:33.22  -8.8X
 NEW  eP      21:29:13.44  -2.5   90.8  41 b:8.4+0 .95 5.0                   NEW 
 CCUT eP      21:29:13.56  -0.5   90.3  52                                   CCUT
 HLID eP      21:29:17.42  -0.6   91.2  46 b:4.7+1 1.9 5.5                   HLID
 TUC  eP      21:29:20.10   3.0   91.0  57                                   TUC 
 WUAZ eP      21:29:20.25   1.5   91.3  54 b:1.3+1 .90 5.3                   WUAZ
 BGU  eP      21:29:23.63   4.3   91.5  49                                   BGU 
 HVU  eP      21:29:25.44   4.2   91.9  48                                   HVU 
 BSMT eP      21:29:26.14   3.6   92.2  42                                   BSMT
 MCMT eP      21:29:28.95   4.2   92.7  45                                   MCMT
 PMSA eP      21:29:29.57   0.1   93.8 161 b:8.1+1 1.2 6.0                   PMSA
 WALA eP      21:29:30.77   4.2   93.1  41                                   WALA
 DLMT eP      21:29:30.80   4.7   93.0  44                                   DLMT
 SNAA eP      21:29:33.08  -3.2   95.3 184 b:4.2+1 1.1 5.8                   SNAA
 ZAA0 eP      21:29:33.80  -2.5   95.3 324                                   ZAA0
 MK01 eP      21:29:34.50  -1.3   95.1 317                                   MK01
      ePKKPdf 21:46:28.90  -3.3X
 MKAR eP      21:29:35.07  -0.8   95.2 317                                   MKAR
      ePKKPdf 21:46:28.42  -3.7X
 BNM  eP      21:29:39.37   4.5   94.8  56                                   BNM 
 ANMO eP      21:29:41.06   4.9   95.1  56                                   ANMO
 KURK eP      21:29:48.24  -1.8   98.3 320 b:1.3+2 2.9 6.1                   KURK
 KKAR ePdif   21:30:10.75   0.5  102.8 312                                   KKAR
 VOSK ePdif   21:30:12.25   0.1  103.3 321                                   VOSK
 TZTN ePdif   21:30:56.33  -2.9  113.8  56                                   TZTN
 C09A ePKiKP  21:34:09.45   1.3   90.0  41 b:1.3+1 .45 5.5                   C09A
 TMUT ePKiKP  21:34:12.91  -0.1   92.4  50                                   TMUT
 LPAZ ePKPdf  21:35:02.56  -0.3  119.0 117                                   LPAZ
 RAYN ePKPdf  21:35:07.92  -1.8  123.0 290                                   RAYN
 GNI  ePKPdf  21:35:09.39   1.6  122.2 309                                   GNI 
 BOSA ePKPdf  21:35:12.44   0.6  124.1 222                                   BOSA
 SUR  ePKPdf  21:35:13.17   1.2  124.1 215                                   SUR 
 LBTB ePKPdf  21:35:15.42  -0.5  126.2 225                                   LBTB
 SAML ePKPdf  21:35:15.58  -0.8  126.4 112                                   SAML
 ABKARePP     21:35:18.52  -0.1X 110.2 318                                   ABKA
 NBO02ePKPdf  21:35:19.19  -0.2  128.7 345                                   NBO0
 BR231ePKPdf  21:35:22.94  -1.9  131.1 312                                   BR23
      ePP     21:37:41.24  -0.7X
 KIEV ePKPdf  21:35:23.65   4.1  128.6 326                                   KIEV
 LSZ  ePKPdf  21:35:24.45   1.2  129.9 237                                   LSZ 
 GEC2 ePKPpre 21:35:26.27  -0.6X 137.5 333                                   GEC2
      ePKPpre 21:35:27.35   0.5X
 CSS  ePKPdf  21:35:26.44  -0.4  132.2 306                                   CSS 
 BUR04ePKPdf  21:35:26.90  -0.3  132.5 325                                   BUR0
 KHC  ePKPpre 21:35:27.94   1.5X 137.4 333                                   KHC 
 TSUM ePKPdf  21:35:28.35  -5.5  135.6 225                                   TSUM
 OJC  ePKPdf  21:35:29.37   0.0  133.7 330                                   OJC 
      ePP     21:37:59.66   1.5X
 PSZ  ePKPdf  21:35:31.03  -1.2  135.2 328                                   PSZ 
 MORC ePKPdf  21:35:32.50   0.5  135.1 331                                   MORC
      ePP     21:38:15.04   8.2X
 BFO  ePKPpre 21:35:32.70  -0.9X 140.1 337                                   BFO 
 DPC  ePKPdf  21:35:34.36   2.2  135.2 333                                   DPC 
      ePP     21:38:10.26   2.7X
 BDFB ePKPdf  21:35:35.16   0.7  135.8 129                                   BDFB
 WLF  ePKPpre 21:35:35.74   3.0X 139.8 340                                   WLF 
      epPKPdf 21:35:49.08   6.3 
 FUORNePKPpre 21:35:35.80   0.3X 140.7 334                                   FUOR
 TUE  ePKPpre 21:35:38.46   1.7X 141.2 334                                   TUE 
 SENINePKPpre 21:35:39.27   0.1X 142.2 336                                   SENI
 CUC  ePKPpre 21:35:40.97   1.3X 142.5 321                                   CUC 
 GRFO ePKPdf  21:35:41.80   4.7  137.9 336                                   GRFO
 CEL  ePKPpre 21:35:43.04   0.8X 143.5 319                                   CEL 
 BNI  ePKPpre 21:35:43.90   1.5X 143.5 335                                   BNI 
 TIR  epPKPdf 21:35:47.40   5.5  139.2 320                                   TIR 
 KEST epPKPdf 21:36:00.45   1.0  149.1 321                                   KEST
 SHEL ePKPbc  21:36:04.17  -0.5  150.3 196                                   SHEL
 MTE  ePKPbc  21:36:06.28  -1.9  152.0 350                                   MTE 
 ES19 ePKPbc  21:36:06.45  -1.4  151.9 344                                   ES19
 RCBR ePKPbc  21:36:06.55  -0.5  151.2 129                                   RCBR
 PAB  ePKPbc  21:36:06.85  -1.6  152.2 344                                   PAB 
 DBIC ePKPdf  21:36:21.26   0.4  169.2 235                                   DBIC
      ePKPab  21:37:35.45   2.5 
 LPM  ePKKPdf 21:46:34.83   2.4X  94.8  56                                   LPM 
 IL1  ePKKPdf 21:46:51.24   0.6X  85.1  18                                   IL1 



 Generated 2009 OCT  9 at 01:02 UTC

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


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