Phase Data

Explanation of Parameters


     29 JAN 2013  ( 29)

     ot  = 10:47:56.06   +/-   2.51              SOUTHERN PERU                   
     lat =     -15.706   +/-   12.6
     lon =     -70.092   +/-   14.8              MAGNITUDE 4.1 (GS)       
     dep =       218.9   +/-   11.7   

     15 km (10 miles) NNW of Puno, Peru (pop 101,000)
     23 km (14 miles) S of Juliaca, Peru (pop 180,000)
     172 km (107 miles) ENE of Arequipa, Peru
     854 km (531 miles) ESE of LIMA, Peru

     nph =   29 of  30    se = 1.24    FE=117                            A   

     error ellipse = (113.0, 29.0, 23.9;216.0, 21.0, 21.0;335.0, 52.0, 13.9)

 mb = 4.1 ( 20)  ML = 0.0 (  0)  mblg = 0.0 (  0)  md = 4.8 (  1)  MS = 0.0 (  0)

 sta  phase     arrival     res   dist azm    amp  per mag     amp  per mag  sta
 LPAZ ePn     10:48:39.12   2.6    2.0 107 d:2.9+2     4.8                   LPAZ
 MNMC ePn     10:48:53.33   1.1    3.4 172                                   MNMC
 PB11 ePn     10:48:59.86   0.4    4.1 174                                   PB11
 PB01 ePn     10:49:15.34  -0.1    5.3 174                                   PB01
 PB04 ePn     10:49:30.60  -0.9    6.6 181                                   PB04
 LVC  ePn     10:49:37.09   0.7    7.0 171                                   LVC 
 PB10 ePn     10:49:46.36  -0.2    7.8 183                                   PB10
 NNA  ePn     10:49:47.24   3.9    7.5 299                                   NNA 
 GO02 ePn     10:50:08.68   0.8    9.4 177                                   GO02
 GO04 ePn     10:51:11.16   0.5   14.4 183                                   GO04
 PTGA eP      10:51:50.77   0.8   17.9  35 b:2.8+1 .60 4.9                   PTGA
 OTAV eP      10:51:54.44   4.6   17.9 332 b:4.9+0 .80 4.0                   OTAV
 BDFB eP      10:52:27.73   2.0   21.3  93 b:5.2+0 .78 4.1                   BDFB
 GO06 eP      10:52:52.69   3.4   23.8 183 b:4.4+0 .80 4.1                   GO06
 SPB  ee      10:52:52.88   0.0X  22.7 114 b:2.1+1 .50 5.0                   SPB 
 PLCA eP      10:53:02.70   3.3   24.9 181 b:3.8+0 1.1 3.9                   PLCA
 Z50A eP      10:56:34.11  -1.5   51.0 343 b:5.3+0 1.0 4.0                   Z50A
 HODGEeP      10:56:34.93  -0.7   51.0 347 b:1.0+0 .80 3.4                   HODG
 TX31 eP      10:57:07.58   0.3   55.3 324                                   TX31
 P53A eP      10:57:08.69  -2.6   55.9 349 b:4.3+0 1.0 4.1                   P53A
 TUL1 eP      10:57:16.69  -1.0   56.8 335 b:3.0+0 .60 4.2                   TUL1
 GGN  eP      10:57:42.98  -0.6   60.6   3 b:5.2+0 1.0 4.2                   GGN 
 PKME eP      10:57:43.65  -0.4   60.7   1 b:5.0+0 .70 4.3                   PKME
 LMN  eP      10:57:48.30  -1.0   61.5   4 b:1.3+1 1.1 4.5                   LMN 
 SDCO eP      10:57:55.65  -2.6   62.7 329 b:2.6+0 1.0 4.0                   SDCO
 BATG eP      10:57:57.71  -0.5   62.8   3 b:1.3+1 1.0 4.7                   BATG
 ECSD eP      10:58:04.99  -0.8   63.9 339 b:2.1+0 .85 3.9                   ECSD
 MDND eP      10:58:35.02   0.1   68.6 339 b:1.4+1 .65 4.8                   MDND
 BW06 eP      10:58:35.64   0.2   68.6 330 b:1.2+0 .95 3.6                   BW06
 ULM  eP      10:58:39.43  -1.2   69.5 343 b:2.9+0 .70 4.1                   ULM 



 Generated 2013 JAN 29 at 11:42 UTC

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