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Earthquake Hazards Program

Phase Data

Explanation of Parameters


     20 OCT 2006  (293)

     ot  = 10:48:57.51   +/-   0.22              NEAR COAST OF CENTRAL PERU      
     lat =     -13.427   +/-    4.3
     lon =     -76.572   +/-    5.7              MAGNITUDE 6.7 (HRV)      
     dep =        33.1  (depth phases)

     50 km (30 miles) W of Chincha Alta, Peru (pop 130,000)
     105 km (65 miles) NW of Ica, Peru (pop 194,000)
     155 km (95 miles) SSE of LIMA, Peru (pop 7,060,000)
     210 km (130 miles) SW of Huancayo, Peru

     nph =  201 of 261    se = 1.03    FE=115                            A   

     error ellipse = ( 65.8,  0.0,  7.9;155.8,  0.0,  5.0;  0.0,  0.0,  0.0)

 mb = 6.0 ( 64)  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
 ROSC eP      10:53:12.66   3.4   18.3   7                                   ROSC
      eS      10:56:32.88  S res =  -0.2X
 PAYG ePn     10:53:13.26   0.9   18.6 312 b:1.6+3 1.5 6.0                   PAYG
 CPUP eP      10:53:50.51   0.0   22.1 128 b:5.7+2 .98 6.0                   CPUP
 SDV  eP      10:53:59.64   0.4   22.9  15 b:6.1+2 .85 6.1                   SDV 
 PLCA eP      10:54:41.63  -1.2   27.7 170                                   PLCA
 TRQA eP      10:54:41.96  -1.3   27.8 155                                   TRQA
 TGUH eP      10:54:58.18   1.2   29.3 338                                   TGUH
 BBGH eP      10:55:17.38   2.3   31.3  33                                   BBGH
 MPR  eP      10:55:28.63   0.8   32.8  17                                   MPR 
 CPD  eP      10:55:28.81  -0.8   33.0  19                                   CPD 
 SJG  eP      10:55:29.43  -0.1   33.0  18 b:1.6+2 .85 5.9                   SJG 
 HUMP eP      10:55:30.09  -0.5   33.1  19                                   HUMP
 MTP  eP      10:55:30.29  -0.7   33.1  19                                   MTP 
 CBYP eP      10:55:31.24  -0.4   33.2  19                                   CBYP
 RPN  eP      10:55:32.64  -1.4   33.5 241                                   RPN 
      P       10:55:40.20   6.1X
      epP     10:55:51.33  depth =  78.8X
 TEIG eP      10:55:50.42   0.2   35.4 341                                   TEIG
 EFI  eP      10:56:37.15   0.2   41.0 163                                   EFI 
      epP     10:56:47.79  depth =  37.0 
 DWPF P       10:56:46.50   4.4X  41.6 354 b:1.1+2 .70 5.7                   DWPF
 HKT  P       10:57:25.19  -0.1   47.0 337 b:7.4+2 1.9 6.3                   HKT 
 BBSR eP      10:57:25.23   0.1   46.9  14 b:2.1+2 1.1 6.0                   BBSR
 NATX eP      10:57:35.08   0.4   48.2 339                                   NATX
      epP     10:57:44.25  depth =  30.6 
 CNNC P       10:57:37.44   0.9   48.4 359                                   CNNC
 SWET eP      10:57:41.42  -1.1   49.2 350                                   SWET
 OXF  eP      10:57:41.48  -1.2   49.2 346                                   OXF 
      epP     10:57:51.72  depth =  34.7 
 CPCT eP      10:57:41.75  -0.8   49.2 351                                   CPCT
 JCT  eP      10:57:42.20   0.6   49.0 333                                   JCT 
      epP     10:57:51.63  depth =  31.5 
 PLAL eP      10:57:42.31  -1.5   49.4 348                                   PLAL
      epP     10:57:52.62  depth =  35.0 
 UTMT P       10:57:47.92  -7.1X  50.8 347 b:2.0+2 .90 6.1                   UTMT
      eP      10:57:54.25  -0.8X
      epP     10:58:04.69  depth =  65.3X
 TZTN eP      10:57:49.00  -0.7   50.1 353                                   TZTN
      epP     10:57:59.42  depth =  35.4 
 UALR eP      10:57:49.27  -1.1   50.2 343 b:1.6+2 1.0 6.0                   UALR
      epP     10:58:00.69  depth =  40.1 
 BLA  P       10:57:51.97  -0.5   50.5 356 b:7.6+0 .88 4.7X                  BLA 
 ELN  P       10:57:52.25  -0.5   50.5 356                                   ELN 
 HBAR P       10:57:52.89   0.4   50.5 345                                   HBAR
 GLAT eP      10:57:53.95  -1.2   50.9 347                                   GLAT
      epP     10:58:05.00  depth =  38.4 
 FWV  P       10:57:55.22  -0.2   50.9 356                                   FWV 
 PVMO P       10:57:57.78   0.9   51.1 346                                   PVMO
 PARMOP       10:57:58.21  -0.6   51.3 346                                   PARM
 CBN  eP      10:57:58.86   0.0   51.4 359                                   CBN 
 HOPE eP      10:57:59.94   0.7   51.4 151 b:2.6+2 1.0 6.1                   HOPE
 USIN eP      10:58:03.25  -1.7   52.2 349                                   USIN
      epP     10:58:14.01  depth =  36.7 
 WCI  P       10:58:03.33  -1.8   52.2 350 b:2.0+2 1.0 6.0                   WCI 
 SIUC eP      10:58:04.08  -1.3   52.2 347 b:1.9+2 .90 6.1                   SIUC
 PMSA P       10:58:04.57   1.2   52.0 173 b:1.7+2 1.1 5.9                   PMSA
 WMOK eP      10:58:04.58  -1.7   52.3 337 b:1.9+2 1.3 5.9                   WMOK
 MNTX eP      10:58:07.65  -1.3   52.7 329 b:3.6+2 1.5 6.1                   MNTX
 GDL2 eP      10:58:08.30  -0.1   52.6 330                                   GDL2
      epP     10:58:17.50  depth =  30.3 
 MCWV eP      10:58:10.04  -0.3   52.9 357                                   MCWV
 BLO  eP      10:58:10.68  -1.4   53.1 350                                   BLO 
      epP     10:58:21.67  depth =  37.4 
 MVL  eP      10:58:12.40   0.3   53.1   0                                   MVL 
 SLM  eP      10:58:13.13  -0.5   53.3 347 b:3.0+2 1.3 6.1                   SLM 
 AMTX eP      10:58:16.00   0.1   53.6 334                                   AMTX
 SSPA P       10:58:16.70  -0.2   53.8 359 b:1.4+2 1.0 5.9                   SSPA
 CPNY eP      10:58:18.47   0.2   54.0   3                                   CPNY
 BRNJ eP      10:58:19.25   1.9   53.9   2                                   BRNJ
 PAL  eP      10:58:19.90   0.0   54.2   3 b:1.4+2 1.0 5.9                   PAL 
 QUA2 P       10:58:20.71  -8.9X  55.6   4 b:2.8+2 1.1 6.2                   QUA2
      e       10:58:29.71   0.1X
 ALLY eP      10:58:24.22  -0.7   54.9 357                                   ALLY
      epP     10:58:34.31  depth =  33.0 
 BNM  eP      10:58:28.05  -0.1   55.3 330                                   BNM 
      epP     10:58:38.32  depth =  33.8 
 BINY eP      10:58:28.25   0.1   55.3   1                                   BINY
 KSU1 P       10:58:28.42  -0.9   55.5 341                                   KSU1
 LPM  eP      10:58:28.63  -0.4   55.4 330                                   LPM 
 AAM  eP      10:58:30.89  -0.7   55.8 354 b:1.6+2 .90 6.1                   AAM 
 LENM eP      10:58:31.33   2.0   55.5 329                                   LENM
 WES  eP      10:58:31.35   0.4   55.7   5 b:2.4+2 1.2 6.1                   WES 
 ANMO eP      10:58:31.61  -0.5   55.8 330 b:3.1+2 1.4 6.1                   ANMO
 LAZ  e       10:58:31.81   0.5   55.7 329                                   LAZ 
 HRV  eP      10:58:32.10   0.4   55.8   5 b:1.5+2 .95 6.0                   HRV 
 TUC  eP      10:58:33.40   0.0   56.0 325 b:3.4+2 1.7 6.1                   TUC 
 CBKS eP      10:58:34.65  -0.4   56.3 338                                   CBKS
 ACCN eP      10:58:37.50   0.5   56.6   3                                   ACCN
 FFD  e       10:58:39.74   1.3   56.8   4 b:1.6+2 .98 6.0                   FFD 
 SCIA P       10:58:39.75  -1.3   57.2 345                                   SCIA
 HNH  eP      10:58:40.63   0.8   57.0   4                                   HNH 
 NCB  eP      10:58:41.03   0.0   57.2   2 b:1.4+2 .98 5.9                   NCB 
 JFWS eP      10:58:41.66  -1.4   57.4 348                                   JFWS
 LBNH eP      10:58:44.36   0.6   57.5   4 b:2.1+2 1.0 6.1                   LBNH
 SDCO eP      10:58:44.72  -0.6   57.7 333 b:2.7+2 1.2 6.2                   SDCO
 LONY eP      10:58:45.31  -0.2   57.8   2                                   LONY
 FRNY eP      10:58:47.48   0.3   58.0   3                                   FRNY
 WVL  eP      10:58:48.13   0.9   58.0   6                                   WVL 
 MSNY P       10:58:48.34   0.3   58.2   1                                   MSNY
 EMMW eP      10:58:51.02   1.0   58.4   8                                   EMMW
 MVCO P       10:58:51.75  -0.1   58.6 330                                   MVCO
 WUAZ eP      10:58:52.88   0.1   58.8 327                                   WUAZ
 GLA  eP      10:58:56.09   2.5   58.9 323                                   GLA 
 ISCO eP      10:58:56.92  -0.6   59.4 334 b:1.4+2 1.3 5.9                   ISCO
 ECSD P       10:58:57.67  -1.5   59.8 343                                   ECSD
 BAR  eP      10:59:01.86   2.4   59.8 321                                   BAR 
 PFO  eP      10:59:03.13   0.1   60.3 322 b:2.8+2 1.6 6.1                   PFO 
 PHWY eP      10:59:05.21  -0.5   60.6 335                                   PHWY
 SRU  eP      10:59:08.25  -0.6   61.1 330                                   SRU 
 ASCN P       10:59:09.00  -1.0   61.3  92 b:1.0+2 .85 6.0                   ASCN
 CCUT P       10:59:10.91   0.4   61.4 327                                   CCUT
 MSU  eP      10:59:11.17  -0.1   61.5 329                                   MSU 
 TMUT eP      10:59:11.75  -0.4   61.6 330                                   TMUT
      epP     10:59:20.92  depth =  29.8 
 SHPR eP      10:59:11.87   0.0   61.6 325                                   SHPR
 ARUT e       10:59:11.95   0.0   61.6 327                                   ARUT
 MWC  eP      10:59:12.98   0.5   61.6 321                                   MWC 
 GSC  eP      10:59:13.00   0.6   61.6 323                                   GSC 
 RWWY eP      10:59:13.13   0.4   61.7 334                                   RWWY
 SNCC eP      10:59:15.00   1.0   61.9 320                                   SNCC
      epP     10:59:24.50  depth =  30.9 
 EYMN eP      10:59:16.24  -1.6   62.5 349                                   EYMN
      epP     10:59:26.78  depth =  34.5 
 MPU  eP      10:59:16.25  -0.9   62.4 330                                   MPU 
      epP     10:59:26.23  depth =  32.4 
 RSSD eP      10:59:17.37  -0.7   62.5 338                                   RSSD
 DAU  eP      10:59:17.97  -0.2   62.5 331                                   DAU 
 NLU  eP      10:59:18.11  -0.2   62.5 330                                   NLU 
 DAC  eP      10:59:19.75  -0.3   62.8 323                                   DAC 
 CTU  eP      10:59:20.36  -0.6   62.9 331                                   CTU 
      epP     10:59:30.71  depth =  33.5 
 ISA  eP      10:59:21.44   0.9   62.9 322                                   ISA 
 DUG  eP      10:59:21.73  -0.1   63.1 330                                   DUG 
      epP     10:59:31.90  depth =  32.8 
 TCUT eP      10:59:22.44   0.2   63.1 331                                   TCUT
 TRCR P       10:59:23.29   0.9   63.1 326                                   TRCR
 BW06 eP      10:59:24.09  -1.2   63.6 333                                   BW06
 HWUT eP      10:59:24.46  -0.7   63.6 331                                   HWUT
 AGMN e       10:59:25.49  -0.8   63.8 346                                   AGMN
 SPUT eP      10:59:25.64  -0.7   63.8 331                                   SPUT
      epP     10:59:33.99  depth =  26.8 
 BGU  P       10:59:26.26   0.0   63.7 330                                   BGU 
 TPH  P       10:59:28.48   1.5   63.8 325 b:8.1+1 .90 5.8                   TPH 
      epP     10:59:45.12  depth =  61.7X
 HVU  eP      10:59:28.65  -1.1   64.3 331                                   HVU 
      epP     10:59:38.90  depth =  32.9 
 MTUM eP      10:59:28.94   0.2   64.1 324                                   MTUM
 PTRM P       10:59:29.58   2.1   63.9 321                                   PTRM
 AHID eP      10:59:31.00   1.3   64.3 332                                   AHID
 REDW eP      10:59:31.65  -0.5   64.6 333                                   REDW
 LOHW eP      10:59:32.00  -0.7   64.7 333                                   LOHW
 SNOW eP      10:59:32.22  -0.2   64.7 333 b:1.6+2 1.1 6.0                   SNOW
      epP     10:59:42.00  depth =  31.3 
 MOOW eP      10:59:32.88  -0.9   64.9 333 b:1.8+2 1.6 5.9                   MOOW
 TPAW eP      10:59:33.53   0.4   64.8 333                                   TPAW
 RRI2 eP      10:59:33.57   0.1   64.8 333                                   RRI2
 IMW  eP      10:59:35.10  -0.1   65.1 333 b:2.2+2 1.3 6.1                   IMW 
 DCID1eP      10:59:35.10   0.9   65.0 333                                   DCID
 FLWY eP      10:59:35.33   0.0   65.1 334                                   FLWY
 RLMT P       10:59:36.03  -0.5   65.4 335                                   RLMT
 LRV  P       10:59:36.24   2.3   64.9 321                                   LRV 
 LAO  eP      10:59:36.36  -1.1   65.5 338                                   LAO 
      epP     10:59:46.00  depth =  30.9 
 YMR  P       10:59:36.51  -2.6   65.7 334 b:3.8+2 1.5 6.3                   YMR 
 ULM  P       10:59:37.05  -1.1   65.6 347 b:3.0+2 .93 6.4                   ULM 
 WAKR eP      10:59:37.44   0.3   65.4 324                                   WAKR
 CMB  P       10:59:38.09  -0.3   65.6 323 b:1.7+2 1.4 6.0                   CMB 
      epP     10:59:53.16  depth =  54.4X
 BMN  eP      10:59:38.72   0.9   65.5 327 b:1.5+2 1.4 5.9                   BMN 
 SAO  eP      10:59:39.06   2.0   65.4 322 b:2.2+2 1.6 6.0                   SAO 
 YFT  eP      10:59:40.11   2.4   65.5 334                                   YFT 
 YNR  eP      10:59:40.18   1.5   65.6 334                                   YNR 
 GCMT P       10:59:41.43   0.1   66.1 335                                   GCMT
 PAHR eP      10:59:42.00  -0.2   66.2 325                                   PAHR
 QLMT eP      10:59:42.14   0.9   66.0 334                                   QLMT
 DGMT eP      10:59:42.62  -0.1   66.3 340                                   DGMT
 LKWY P       10:59:42.71   5.6X  65.4 334 b:1.9+2 1.1 6.1                   LKWY
      epP     10:59:56.88  depth =  50.4X
 HLID eP      10:59:43.34  -0.3   66.4 331 b:2.0+2 1.6 6.0                   HLID
 MCMT e       10:59:46.71   1.4   66.7 333                                   MCMT
 DLMT eP      10:59:47.01  -0.1   67.0 333 b:2.9+2 1.4 6.2                   DLMT
      epP     10:59:57.32  depth =  33.0 
 SAC  eP      10:59:48.00   3.8X  66.5 322                                   SAC 
 LRM  eP      10:59:48.67  -0.4   67.3 334                                   LRM 
 OHCM eP      10:59:49.79   1.8   67.1 324                                   OHCM
 WVOR P       10:59:51.05  -0.6   67.7 328 b:1.2+2 1.2 5.8                   WVOR
 EGMT eP      10:59:52.97  -0.1   67.9 337 b:1.3+2 1.2 5.9                   EGMT
 MCCM P       10:59:54.14   5.9X  67.2 322                                   MCCM
 SCHQ P       10:59:55.75  -0.5   68.5   6 b:2.5+2 1.0 6.3                   SCHQ
 CHMT eP      10:59:56.29  -0.3   68.5 334                                   CHMT
 WDC  eP      10:59:56.35  -0.6   68.6 324 b:2.3+2 1.6 6.0                   WDC 
 SHEL P       10:59:56.69   1.0   68.3 102 b:1.5+2 .90 6.1                   SHEL
 BMO  eP      10:59:57.90  -0.4   68.8 330 b:1.9+2 1.6 5.9                   BMO 
 MSO  eP      10:59:58.10   0.2   68.7 333 b:2.9+2 1.6 6.1                   MSO 
 HRY  epP     10:59:59.70  -2.3   67.7 335                                   HRY 
 HOPS epP     11:00:00.18  -2.6   67.8 322                                   HOPS
 KCPM P       11:00:00.89   3.6X  68.6 323                                   KCPM
 YBH  eP      11:00:01.40  -1.0   69.4 325                                   YBH 
 KIPM P       11:00:01.46   4.0X  68.6 323                                   KIPM
 KHMM eP      11:00:04.65   2.0   69.4 324                                   KHMM
      epP     11:00:13.01  depth =  26.8 
 BSMT eP      11:00:05.01  -0.1   69.9 334                                   BSMT
 WALA eP      11:00:07.23  -1.3   70.4 335 b:1.4+2 1.2 5.9                   WALA
 KRMB P       11:00:07.79   2.0   69.9 324                                   KRMB
 HUMO P       11:00:08.69   2.1   70.1 325 b:8.0+1 1.4 5.6                   HUMO
 HAWA eP      11:00:12.14   0.5   70.9 330                                   HAWA
 NEW  eP      11:00:12.61  -0.5   71.2 333 b:2.9+2 1.5 6.1                   NEW 
 KBO  P       11:00:13.98   4.4X  70.6 324                                   KBO 
 HOOD eP      11:00:15.43   1.7   71.3 328                                   HOOD
 COR  P       11:00:16.07   0.4   71.6 327 b:8.5+2 1.6 6.5                   COR 
 KEBM eP      11:00:17.38   4.9X  71.1 325                                   KEBM
 FCC  eP      11:00:26.09   0.5   73.3 351 b:1.5+2 1.0 5.9                   FCC 
 EDM  eP      11:00:29.50   2.8X  73.5 338                                   EDM 
 PGC  eP      11:00:32.70   0.5   74.4 330                                   PGC 
 QSPA eP      11:00:45.00  -0.3A  76.7 180                                   QSPA
 YKW3 eP      11:01:09.34  -1.0   81.3 343                                   YKW3
 SFJD P       11:01:15.19  -0.8   82.4  10                                   SFJD
 TOA0 e       11:01:15.22   0.5   81.9  74                                   TOA0
 SBA  eP      11:01:16.63   1.0   82.4 191 b:1.6+2 1.3 5.9                   SBA 
 VNDA eP      11:01:21.64   0.4   83.4 191 b:2.9+2 1.6 6.1                   VNDA
 DLBC eP      11:01:23.36   0.2   83.8 335                                   DLBC
 WRAK e       11:01:25.35   4.4X  83.3 333                                   WRAK
 ESLA eP      11:01:34.20   1.6   85.5  48                                   ESLA
 SKAG P       11:01:38.49   1.3   86.6 334                                   SKAG
 BORG eP      11:01:41.72  -3.6X  88.3  21 b:1.3+2 1.0 6.2                   BORG
 RES  eP      11:01:47.26   0.4   88.7 355 b:1.6+2 1.3 6.2                   RES 
 TSUM eP      11:01:52.10  -0.1   89.5 110                                   TSUM
 DAWY eP      11:01:55.51  -1.0   90.7 337                                   DAWY
 INK  eP      11:01:57.04  -0.6   91.0 342                                   INK 
      epP     11:02:06.60  depth =  29.7 
      esP     11:02:10.77  -1.3X
 EGAK eP      11:01:59.90  -1.3   91.7 337                                   EGAK
      epP     11:02:09.36  depth =  29.4 
      esP     11:02:14.28  -1.3X
 ESK  eP      11:02:01.36  -0.2   91.7  33                                   ESK 
 DIV  eP      11:02:01.75  -0.8   91.9 333                                   DIV 
 PMR  eP      11:02:10.59   0.5   93.6 333 b:3.7+1 1.0 5.7                   PMR 
      epP     11:02:21.92  depth =  36.0 
 MAW  eP      11:02:11.03  -1.0   94.0 166 b:1.1+2 1.4 6.1                   MAW 
 BOSA eP      11:02:11.76   0.0   93.8 120                                   BOSA
 MCK  eP      11:02:12.67  -0.7   94.3 335                                   MCK 
 COLA P       11:02:12.72  -0.5   94.3 336 b:7.6+1 1.0 6.1                   COLA
 SLKM P       11:02:12.93   2.2   93.7 332                                   SLKM
 BFO          11:02:18.80  -5.1X  96.5  42                                   BFO 
 LBTB P       11:02:19.02   1.0   95.1 117 b:1.5+1 1.0 5.4                   LBTB
      epP     11:02:30.39  depth =  36.2 
 IMA2 eP      11:02:24.20  -1.5   97.0 336                                   IMA2
 GEC2 P       11:02:41.07   0.9X 100.2  42                                   GEC2
 CASY P       11:02:43.37   2.8X 100.3 183 b:1.8+1 1.3 5.4                   CASY
 GNI  P       11:07:55.61   5.8X 122.4  51                                   GNI 
 CTAO P       11:07:58.49   0.8  126.3 232                                   CTAO
 CHKZ P       11:08:07.93   0.0  132.2  26                                   CHKZ
 BRVK P       11:08:10.10   1.6  132.5  27                                   BRVK
      e       11:08:20.35   1.0X
 MAJO ePKPdf  11:08:18.43  -6.9X 141.3 313                                   MAJO
 MK31 ePKPdf  11:08:24.95  -1.8  142.3  24                                   MK31
 MBWA ePKPdf  11:08:27.37   0.2  142.1 205                                   MBWA
 INCN ePKPbc  11:08:40.51  -0.3  148.3 323                                   INCN
 PALK ePKPdf  11:08:50.20  -0.4  156.8 103                                   PALK
 KSM  ePKPdf  11:08:59.69  -0.7  166.3 210                                   KSM 



 Generated 2006 OCT 23 at 14:54 UTC

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

 


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