Phase Data

Explanation of Parameters


      1 APR 2013  ( 91)

     ot  = 22:40:16.51   +/-   1.83              MID-INDIAN RIDGE                
     lat =     -23.172   +/-   15.9
     lon =      68.590   +/-   13.6              MAGNITUDE 4.8 (GS)       
     dep =        10.0  (geophysicist)

     659 km (409 miles) SE of Ile Rodrigues, Mauritius
     1194 km (742 miles) ESE of PORT LOUIS, Mauritius
     3798 km (2358 miles) E of Durban, South Africa

     nph =   32 of  48    se = 0.90    FE=429                            A   

     error ellipse = (202.0,  1.0, 21.4;292.0,  0.0, 17.2; 23.0, 88.0,  2.7)

 mb = 4.8 ( 38)  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
 MRIV ePn     22:42:44.45  -5.5   10.7 283                                   MRIV
 ABPO eP      22:44:52.45  -1.0   20.3 278 b:4.8+0 .70 4.0                   ABPO
 KMBO eP      22:47:31.52   0.6   37.5 301 b:6.9+0 1.1 4.3                   KMBO
 LSZ  eP      22:47:42.60   0.3   38.8 274 b:6.9+0 1.1 4.3                   LSZ 
 JAGI eP      22:48:40.80   0.3   46.0  79 b:3.0+1 1.0 5.2                   JAGI
 CASY eP      22:49:16.02   0.8   50.6 160 b:1.1+1 1.1 4.7                   CASY
 CM01 eP      22:49:18.69   0.8   50.9  38                                   CM01
 CHTO eP      22:49:20.07  -0.2   51.2  38 b:4.4+0 1.1 4.3                   CHTO
 KAPI eP      22:49:29.50  -0.6   52.5  78 b:1.6+1 1.1 4.8                   KAPI
 MMRI eP      22:49:36.57   0.5   53.3  84 b:7.5+1 1.0 5.6                   MMRI
 FITZ eP      22:49:36.93   0.5X  53.3  96 b:1.8+1 1.1 4.9                   FITZ
 KBL  eP      22:50:04.95  -0.5   57.4   0 b:6.9+0 .90 4.7                   KBL 
 AS01 eP      22:50:18.39  -1.7X  59.5 105                                   AS01
      ePcP    22:51:07.04  -0.7 
 AS31 eP      22:50:18.91  -0.9   59.4 105 b:2.8+0 .85 4.4                   AS31
 WB2  eP      22:50:28.87  -0.3X  60.8 101                                   WB2 
 GAR  eP      22:50:35.26  -0.8X  61.9   2 b:1.0+1 1.0 4.9                   GAR 
 STKA eP      22:50:51.72  -0.4   64.3 116                                   STKA
 SIRT eP      22:50:58.93   1.0X  65.2 337 b:3.4+1 1.1 5.4                   SIRT
 AAK  eP      22:51:02.26   0.9   65.7   5 b:2.9+0 1.1 4.4                   AAK 
 GNI  eP      22:51:10.46   2.0   66.8 340 b:8.6+0 1.0 4.9                   GNI 
 VNDA eP      22:51:17.02   0.0   68.3 167 b:6.9+0 1.1 4.7                   VNDA
 BR131eP      22:51:31.97   0.0X  70.6 332 b:4.7+0 1.0 4.6                   BR13
 ARMA eP      22:51:47.44   0.9   72.9 116 b:1.9+1 1.0 5.1                   ARMA
 KURK eP      22:51:52.51   0.0   74.1   7 b:9.2+0 1.1 4.7                   KURK
 EIDS eP      22:51:53.09   0.3   74.0 111 b:1.3+1 1.1 4.9                   EIDS
 LIT  eP      22:52:06.72   1.7X  76.2 325 b:6.1+0 .98 4.7                   LIT 
 TIRR eP      22:52:07.52   0.0X  76.7 332 b:3.3+0 .90 4.4                   TIRR
 ZALV eP      22:52:14.52  -0.6X  78.1  10                                   ZALV
 ZAA0 eP      22:52:15.22   0.1X  78.1  10 b:8.5+0 .90 4.8                   ZAA0
 VTS  eP      22:52:16.04   2.6X  77.7 327 b:3.2+0 1.1 4.3                   VTS 
 MLR  eP      22:52:19.28   0.9X  78.6 331 b:1.2+1 1.1 4.9                   MLR 
 ULN  eP      22:52:20.65   1.7   78.7  25 b:7.2+0 1.0 4.7                   ULN 
 ARU  eP      22:52:24.25   0.0   79.7 354 b:8.6+0 1.1 4.7                   ARU 
 KIEV eP      22:52:31.97  -1.0   81.4 336 b:5.7+0 .90 4.6                   KIEV
 BUR08eP      22:52:32.77   3.7X  80.6 332 b:2.7+0 1.0 4.2                   BUR0
 AKBB eP      22:52:32.82  -0.2X  81.4 336 b:5.5+0 .85 4.6                   AKBB
 KS01 eP      22:52:37.49  -0.1   82.1  44                                   KS01
 OJC  eP      22:52:53.77   2.5X  84.9 331 b:4.0+0 .80 4.7                   OJC 
 CLL  eP      22:53:12.28   2.2X  88.8 329 b:4.6+0 1.0 4.7                   CLL 
 IM3  ePKPdf  22:59:25.44   0.7  129.4  21                                   IM3 
 YKB5 ePKPdf  22:59:43.89  -1.9  140.6   2                                   YKB5
 FFC  ePKPdf  22:59:58.60   0.3  147.7 350                                   FFC 
 R58B ePKPbc  23:00:01.40  -0.4  147.8 305                                   R58B
 ULM  ePKPbc  23:00:07.05  -0.9  150.4 340                                   ULM 
 NV01 ePKPdf  23:00:21.40   1.1  163.7  20                                   NV01
 WVOR ePKPab  23:00:54.16  -1.0  159.9  16                                   WVOR
 TX31 ePKPab  23:01:45.75   2.2  170.8 312                                   TX31



 Generated 2013 APR  1 at 23:16 UTC

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