Link to USGS home page.
Earthquake Hazards Program
Phase Data

Explanation of Parameters


     20 JUN 2009  (171)

     ot  = 04:00:17.16   +/-   0.59              CENTRAL PERU                    
     lat =     -14.448   +/-    3.7
     lon =     -72.670   +/-    4.8              MAGNITUDE 4.8 (GS)       
     dep =        70.0   +/-    5.4   

     130 km (80 miles) SW of Cuzco, Peru (pop 278,000)
     160 km (100 miles) E of Puquio, Peru (pop N/A)
     220 km (140 miles) SE of Ayacucho, Peru
     540 km (335 miles) ESE of LIMA, Peru

     nph =  125 of 161    se = 0.82    FE=116                            A   

     error ellipse = ( 62.1, 44.6,  8.8;233.5, 45.1,  7.7;327.8,  4.3,  4.1)

 mb = 4.8 ( 68)  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
 NNA  ePn     04:01:25.65  -0.6    4.7 301 d:2.3+2     5.7X L:1.7+0 .40 5.0X NNA 
      eSn     04:02:18.82  S res =  -1.1X  g:7.9-1 .65 4.5X
 LPAZ ePn     04:01:32.26   5.5X   4.7 113 d:5.8+2     6.5X L:1.7-1 .53 4.0X LPAZ
      S       04:02:17.27  S res =  -3.6X  g:1.4-1 .85 3.6X
 LVC  ePn     04:02:22.21  -0.6    8.9 157 d:2.7+2     7.5X L:1.3-1 .65 4.6X LVC 
      eSn     04:03:57.90  S res =  -3.4X  g:1.1-1 .85 4.0X b:2.9+1 .75 5.2X
 ATAH P       04:02:26.55  -2.3    9.3 322                                   ATAH
      S       04:04:08.30  S res =  -3.8X
 SAML ePn     04:02:48.48  -0.2   10.8  61 g:1.1-1 .85 4.1X b:6.2-1 .23 4.2X SAML
      eSn     04:04:42.28  S res =  -5.5X
 SIV  P       04:02:57.50   1.6   11.3  99                                   SIV 
      S       04:04:55.78  S res =  -4.8X
 OTAV ePn     04:03:56.47   2.1   15.7 338                                   OTAV
 CFAA P       04:04:17.00  -0.2   17.6 167                                   CFAA
      LR      04:11:08.65                                  
 CPUP P       04:04:29.45   0.6   18.6 132                                   CPUP
 ROSC eP      04:04:38.69   2.2   19.2 355                                   ROSC
 BDFB P       04:05:23.63  -0.6   23.8  96                                   BDFB
 TRQA eP      04:05:38.22   0.5   25.4 160 b:8.2+0 .88 4.2                   TRQA
 SPB  eP      04:05:39.05  -0.1   25.5 115 g:2.5-2 1.1 4.0X b:2.5+1 1.1 4.6  SPB 
 PLCA eP      04:05:46.17   0.3   26.3 176 g:1.9-2 1.0 3.9X b:6.8+0 1.1 4.6  PLCA
      epP     04:06:09.42  depth = 106.9X
 USHA P       04:07:49.24   0.8   40.4 176                                   USHA
 GOGA eP      04:08:49.99  -4.5X  48.7 348 b:9.8+0 1.4 4.6                   GOGA
 LRAL eP      04:08:56.85  -1.2   49.2 344 b:6.7+0 1.1 4.6                   LRAL
 PMSA eP      04:09:07.83  -0.9   50.6 175 b:4.9+2 1.8 6.2X                  PMSA
 CPCT eP      04:09:10.92  -0.2   50.9 348                                   CPCT
      ePcP    04:10:26.11  -0.7X
 TZTN eP      04:09:17.31  -0.2   51.7 349 b:5.8+0 .75 4.7                   TZTN
 JCT  eP      04:09:17.71   0.0   51.7 330 b:3.8+0 .80 4.5                   JCT 
 BLA  eP      04:09:19.07   0.4   51.9 352 b:5.6+0 .65 4.7                   BLA 
 WVT  eP      04:09:20.03  -1.6   52.3 344 b:1.7+1 1.6 4.8                   WVT 
      ePcP    04:10:31.11  -1.0X
 CBN  eP      04:09:23.89   0.4   52.6 355 b:1.3+1 .58 5.1                   CBN 
 TXAR P       04:09:25.70  -0.1   52.8 326                                   TXAR
 WCI  eP      04:09:32.28  -1.4   53.9 347 b:1.0+1 .45 5.2                   WCI 
 USIN eP      04:09:33.38  -0.7   54.0 345 b:2.5+1 .85 5.3                   USIN
 SIUC eP      04:09:34.61  -0.7   54.2 344 b:2.7+1 .70 5.4                   SIUC
 MVL  eP      04:09:36.45   0.4   54.3 357 b:1.2+1 .70 5.0                   MVL 
 OLIL eP      04:09:39.26  -0.9   54.8 345 b:1.6+1 .75 5.1                   OLIL
      ePcP    04:10:41.30  -0.3X
 WMOK eP      04:09:39.36  -1.0   54.8 334 b:4.1+0 .90 4.5                   WMOK
      ePcP    04:10:41.58  -0.3X
 BLO  eP      04:09:39.40  -1.1   54.9 347 b:1.8+1 .50 5.3                   BLO 
      ePcP    04:10:41.55  -0.3X
 ACSO eP      04:09:42.35  -0.7   55.2 350 b:1.2+1 .70 5.0                   ACSO
 MNTX eP      04:09:45.02  -0.7   55.6 326 b:2.5+0 .68 4.4                   MNTX
      ePcP    04:10:43.56  -1.2X
 GDL2 eP      04:09:45.14   0.4   55.4 327                                   GDL2
 ALLY eP      04:09:49.68  -0.5   56.2 353 b:1.8+1 .63 5.3                   ALLY
 AMTX eP      04:09:49.75  -0.9   56.3 331 b:3.9+0 .73 4.6                   AMTX
      ePcP    04:10:47.48   0.1X
 BINY eP      04:09:52.10   0.4   56.4 357 b:2.3+1 .60 5.4                   BINY
 ERPA eP      04:09:53.59   0.3   56.7 353 b:2.3+1 .65 5.4                   ERPA
 NCB  eP      04:10:03.75   0.1   58.2 359 b:7.3+1 2.0 5.5                   NCB 
 BNM  eP      04:10:04.21   0.2   58.1 327 b:5.9+0 1.1 4.6                   BNM 
 MDV  eP      04:10:04.36   0.7   58.2 360                                   MDV 
 LPM  eP      04:10:06.34   1.5   58.3 327                                   LPM 
 ANMO eP      04:10:07.55  -0.1   58.7 328 b:3.5+1 2.3 5.1                   ANMO
      ePcP    04:10:57.00   0.0X
 LAZ  eP      04:10:07.73   0.5   58.6 327 b:1.9+0 .60 4.4                   LAZ 
      ePcP    04:10:56.63  -0.2X
 FRNY eP      04:10:09.96   0.5   59.0 359 b:1.2+1 .75 5.1                   FRNY
 TUC  eP      04:10:10.91   0.3   59.1 322 b:2.3+2 2.9 5.8                   TUC 
 ECSD eP      04:10:28.14  -1.2   61.9 341 b:3.8+1 1.9 5.2                   ECSD
      ePcP    04:11:08.97  -0.6X
 ISCO eP      04:10:31.17   0.2   62.1 332 b:4.7+0 .80 4.7                   ISCO
      ePcP    04:11:10.71   0.0X
 PV01 eP      04:10:31.57  -0.2   62.2 328                                   PV01
 PV04 eP      04:10:34.28   0.1   62.6 328                                   PV04
 PHWY eP      04:10:38.96   0.4   63.2 333 b:5.5+0 .65 4.7                   PHWY
 EYMN eP      04:10:44.36  -1.1   64.3 346 b:7.1+0 .70 4.7                   EYMN
 MVU  eP      04:10:47.01   0.9   64.4 326 b:4.8+0 .81 4.5                   MVU 
      ePcP    04:11:20.54   0.4X
 CCUT eP      04:10:47.15   1.4   64.3 325 b:5.1+0 .66 4.6                   CCUT
      ePcP    04:11:20.56   0.7X
 MSU  eP      04:10:47.20   1.2   64.4 326                                   MSU 
 ARUT eP      04:10:48.02   0.9   64.5 325 b:1.1+1 1.3 4.7                   ARUT
 RSSD eP      04:10:49.87   0.3   64.9 336 b:5.3+0 .70 4.6                   RSSD
 AGMN eP      04:10:54.31  -0.5   65.8 343 b:2.0+1 .60 5.2                   AGMN
 JLU  eP      04:10:54.50   0.9   65.5 328 b:8.7+0 .92 4.7                   JLU 
 DUG  eP      04:10:56.84   0.8   65.9 327 b:6.8+1 2.1 5.2                   DUG 
 BW06 eP      04:10:57.25  -0.9   66.2 331 b:5.2+0 1.1 4.4                   BW06
 PDAR P       04:10:57.60  -0.5   66.2 331                                   PDAR
 HWUT eP      04:10:58.35  -0.3   66.3 329 b:6.2+0 1.1 4.5                   HWUT
 HVU  eP      04:11:03.55   0.3   67.1 328 b:8.1+0 .78 4.7                   HVU 
 ULM  eP      04:11:05.27  -0.8   67.6 344 b:1.2+1 .60 5.0                   ULM 
 LOHW eP      04:11:05.39   0.1   67.4 331 b:3.8+0 .85 4.4                   LOHW
 TPAW eP      04:11:05.89   0.1   67.5 331 b:4.1+0 .70 4.5                   TPAW
 MOOW eP      04:11:06.35   0.0   67.6 331 b:4.6+0 1.1 4.3                   MOOW
 IMW  eP      04:11:08.05   0.3   67.8 331 b:6.0+0 .70 4.7                   IMW 
 NVAR P       04:11:08.45   0.7   67.8 323                                   NVAR
      pP      04:11:30.00  depth =  82.7X
 RLMT eP      04:11:08.84   0.4   67.9 333 b:1.4+1 1.1 4.8                   RLMT
 DGMT eP      04:11:13.54   0.8   68.6 338 b:1.5+1 .75 5.0                   DGMT
 QLMT eP      04:11:15.00   1.5   68.7 331                                   QLMT
 SCHQ P       04:11:15.25  -0.8   69.2   4                                   SCHQ
      pP      04:11:38.63  depth =  90.4X
 HLID eP      04:11:17.34   0.7   69.2 329 b:2.7+0 .70 4.3                   HLID
 BOZ  eP      04:11:17.65  -0.2   69.4 332 b:3.3+0 .66 4.4                   BOZ 
 MCMT eP      04:11:18.55   0.9   69.4 331 b:1.4+0 .66 4.0                   MCMT
 DLMT eP      04:11:19.44   0.2   69.6 331                                   DLMT
 MFID eP      04:11:20.59   0.3   69.8 328 b:1.1+2 2.2 5.4                   MFID
 SNAA eP      04:11:21.80   0.3   70.1 162 b:1.7+1 .60 5.1                   SNAA
 DBIC eP      04:11:23.52  -1.1   70.4  77 b:3.0+1 1.2 5.1                   DBIC
 EGMT eP      04:11:23.96   0.0   70.4 335 b:6.6+0 .75 4.6                   EGMT
 MOD  eP      04:11:29.87   1.1   71.2 324 b:8.7+0 .70 4.8                   MOD 
 MSO  eP      04:11:30.71   1.1   71.4 331 b:1.4+1 1.5 4.6                   MSO 
 BMO  eP      04:11:30.76  -0.2   71.6 328 b:7.7+0 1.2 4.5                   BMO 
 SLMT eP      04:11:31.08   0.8   71.5 332                                   SLMT
 SWMT eP      04:11:33.85   1.0   71.9 332                                   SWMT
 JTMT eP      04:11:35.76   1.1   72.2 332                                   JTMT
 BSMT eP      04:11:36.35  -0.2   72.5 332                                   BSMT
 FFC  eP      04:11:39.65  -1.0   73.3 343 b:5.5+0 .70 4.6                   FFC 
 QSPA eP      04:11:55.18   0.2   75.7 180 b:1.0+1 1.3 4.6                   QSPA
 TOA0 eP      04:12:10.50  -1.5   78.6  73                                   TOA0
 TORD P       04:12:10.77  -1.0   78.6  73                                   TORD
      pP      04:12:35.85  depth =  95.7X
 VNDA eP      04:12:35.41   0.5   83.1 190 b:7.6+0 1.4 4.5                   VNDA
 YKW3 eP      04:12:35.65  -1.0   83.4 342 b:1.5-1 .75 3.0X                  YKW3
 YKA  P       04:12:35.85  -0.5   83.4 342                                   YKA 
 ESDC P       04:12:37.67   0.3   83.5  46                                   ESDC
 TAM  eP      04:12:46.18   0.6   85.0  65 b:1.3+1 1.2 4.8                   TAM 
 SUMG eP      04:13:08.53   1.0   89.7  10 b:2.2+1 .78 5.5                   SUMG
 BOSA P       04:13:09.55   0.1   90.0 119                                   BOSA
 LBTB eP      04:13:15.49  -0.1   91.3 116 b:1.5+1 1.3 5.2                   LBTB
 MAW  P       04:13:18.74   0.5   92.1 164                                   MAW 
 EGAK eP      04:13:27.32  -0.3   94.1 336                                   EGAK
 DOT  eP      04:13:30.95   0.1   94.8 335                                   DOT 
 SML  eP      04:13:35.65  -0.6   96.0 332                                   SML 
 ILAR P       04:13:37.05  -0.9   96.4 335                                   ILAR
 COLA eP      04:13:39.39  -0.4   96.8 335 b:4.3+0 .60 5.2                   COLA
 PPLA eP      04:13:44.42  -1.2   98.0 333 b:1.1+1 1.1 5.3                   PPLA
 GERESP       04:13:46.83  -0.6   98.4  42                                   GERE
 BRTR PKiKP   04:18:42.77  -1.3  111.6  53                                   BRTR
 KBZ  PKP     04:18:57.17   0.6  118.3  48                                   KBZ 
 STKA PKP     04:19:06.63  -0.4  123.4 215                                   STKA
 PETK PKP     04:19:08.62  -0.2  124.8 326                                   PETK
 ABKARePKPdf  04:19:16.01   0.7  128.1  38                                   ABKA
 WRA  PKPpre  04:19:18.63 -13.8X 136.7 219                                   WRA 
      PKP     04:19:31.97  -0.5X
 ASAR PKP     04:19:26.95  -0.5  134.1 215                                   ASAR
      pPKP    04:19:52.45   4.9X
 AS31 ePKPdf  04:19:27.04  -0.4  134.1 215                                   AS31
 COEN ePKPdf  04:19:28.11  -0.6  134.7 233                                   COEN
 WRAB ePKPdf  04:19:32.00  -0.5  136.7 219                                   WRAB
 ZALV PKP     04:19:32.03   0.5  136.8  19                                   ZALV
 KURK ePKPdf  04:19:32.68   0.7  137.0  27                                   KURK
 MKAR PKPpre  04:19:35.17  -5.3X 141.6  28                                   MKAR
      PKP     04:19:40.08  -0.4X
 MK31 ePKPpre 04:19:35.25  -5.2X 141.6  28                                   MK31
 EKS2 ePKPdf  04:19:38.13   0.7  139.7  39                                   EKS2
 FITZ PKPpre  04:19:39.31  -4.5X 143.0 210                                   FITZ
 TKM2 ePKPdf  04:19:40.09   0.8  140.7  38                                   TKM2
 MAJO ePKPdf  04:19:44.31  -2.1  144.7 314                                   MAJO
 ULN  ePKPbc  04:19:51.26   0.0  146.7   0                                   ULN 
 SONM PKPbc   04:19:51.56   0.3  146.7   1                                   SONM
      pPKPbc  04:20:13.54   2.3X
 KSAR PKPbc   04:20:01.80   0.1  150.7 325                                   KSAR
      PKPab   04:20:08.25  -0.5X
      pPKPbc  04:20:27.25   5.5X



 Generated 2009 JUN 30 at 23:50 UTC

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


FirstGov button  Take Pride in America button