Phase Data

Explanation of Parameters


     16 MAY 2011  (136)

     ot  = 02:25:04.73   +/-   1.91              SANTA CRUZ ISLANDS              
     lat =     -11.450   +/-   16.2
     lon =     165.520   +/-   14.4              MAGNITUDE 4.9 (GS)       
     dep =        36.7   +/-    5.5   

     88 km (55 miles) SSW of Lata, Santa Cruz Islands, Solomon Isl. (pop N/A)
     409 km (254 miles) ESE of Kira Kira, San Cristobal, Solomon Isl.
     649 km (403 miles) ESE of HONIARA, Guadalcanal, Solomon Islands
     2204 km (1369 miles) NE of BRISBANE, Queensland, Australia

     nph =   33 of  33    se = 0.94    FE=184                            A   

     error ellipse = (166.0,  7.0, 25.2; 75.0,  2.0, 22.0;325.0, 82.0,  7.8)

 mb = 4.9 ( 33)  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
 MSVF ePn     02:28:23.07   7.2   13.6 119                                   MSVF
 RABL ePn     02:28:43.27   8.2   15.1 298 b:2.4+2 .45 5.8                   RABL
 MANU eP      02:29:37.67   0.1   20.3 296 b:3.6+2 1.1 5.6                   MANU
 CTAO eP      02:29:41.22   2.3   20.4 243 b:7.7+1 1.4 4.9                   CTAO
 ARMA eP      02:30:05.37   0.3   22.9 212 b:6.6+1 1.4 4.9                   ARMA
 WRAB eP      02:31:19.05  -1.0   31.1 250 b:9.3+1 1.4 5.4                   WRAB
 BBOO eP      02:31:47.05  -1.5   34.4 227 b:6.4+1 1.7 5.3                   BBOO
 KKM  eP      02:34:13.86   2.5   52.0 287 b:3.4+1 1.2 5.2                   KKM 
 JNU  eP      02:34:34.74   0.0   55.3 325 b:3.0+1 1.1 5.2                   JNU 
 TPUB eP      02:34:37.10  -2.0   55.9 308 b:3.4+1 1.0 5.3                   TPUB
 IPM  eP      02:35:48.00  -0.6   66.1 280                                   IPM 
 PSI  eP      02:35:57.91  -1.1   67.7 278 b:1.6+1 1.0 5.1                   PSI 
 ENH  eP      02:35:59.98  -0.4   68.0 309 b:3.1+1 1.2 5.3                   ENH 
 CHTO eP      02:36:27.01   0.6   72.2 294 b:1.5+1 1.3 4.8                   CHTO
 ULN  eP      02:37:01.64  -0.7   78.5 324 b:1.2+1 1.0 4.8                   ULN 
 BILL eP      02:37:04.69  -1.4   79.3   0 b:9.7+0 1.0 4.7                   BILL
 CAST eP      02:37:14.56  -2.9   81.4  18 b:6.4+0 1.0 4.6                   CAST
 KLU  eP      02:37:20.60  -0.4   82.1  21 b:8.2+0 1.0 4.7                   KLU 
 RND  eP      02:37:21.08  -1.7   82.4  19 b:3.0+1 1.7 5.1                   RND 
 TLY  eP      02:37:22.79   0.1   82.3 326 b:2.7+1 1.7 5.0                   TLY 
 MCK  eP      02:37:23.75   0.0   82.6  19 b:2.5+1 1.4 5.1                   MCK 
 BALM eP      02:37:26.84   0.4   83.1  23 b:9.2+0 .96 4.8                   BALM
 WRH  eP      02:37:28.62   0.9   83.4  18 b:7.1+0 1.0 4.7                   WRH 
 COLA eP      02:37:29.63   0.1   83.7  18 b:2.1+1 .30 5.7                   COLA
 CCB  eP      02:37:29.66   0.8   83.6  18 b:7.4+0 1.1 4.7                   CCB 
 MENT eP      02:37:29.89   0.0   83.8  21 b:2.4+1 1.5 5.1                   MENT
 DOT  eP      02:37:31.84   0.2   84.1  20 b:4.0+1 1.1 5.5                   DOT 
 AFDM eP      02:37:32.26  -2.5   84.6  49 b:8.3+0 1.2 4.8                   AFDM
 EGAK eP      02:37:40.47   0.4   85.8  20 b:1.3+1 1.0 5.1                   EGAK
 DAWY eP      02:37:42.50   1.4   86.0  21 b:5.0+0 1.0 4.7                   DAWY
 TIXI eP      02:37:42.50  -0.4   86.4 349 b:9.2+0 1.4 4.8                   TIXI
 MAKZ eP      02:38:18.44  -0.1   93.9 317 b:1.1+1 1.2 5.2                   MAKZ
 BW06 eP      02:38:18.87  -0.5   94.0  47 b:6.0+0 1.0 5.0                   BW06



 Generated 2011 MAY 16 at 03:39 UTC

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