Código PHP:
echo preg_replace('/(MIWEB\.com\/eqcenter)/', 'earthquake.usgs.gov/earthquakes', $tiempo[1][0])
Lo utilizé asi y no funca, sigue igual el asunto.
Código PHP:
<?php
$options = array('http' => array(
'method' => 'GET',
));
$config= stream_context_create($options);
$config_final=file_get_contents('http://earthquake.usgs.gov/earthquakes/recenteqsww/Maps/region/S_America_eqs.php',false, $config);
preg_match_all("|<a name=\"listtop\">(.*)</table>|sU", $config_final, $tiempo);
echo preg_replace('/(miweb\.com\/eqcenter)/', 'earthquake.usgs.gov/earthquakes', $tiempo[1][0])
?>