By Karina Balderas
SAN PEDRO BENITO JUAREZ, Mexico, Dec
21 (Reuters) - Mexico's Popocatepetl volcano, whose eruptions earlier
this week forced the evacuation of some 40,000 people, is probably using
two days of calm to build up to a fresh round of blasts, officials said
on Thursday.
"We're in a phase where the volcano
is rebuilding energy and that it will certainly release either (Friday
or Saturday)," Roberto Quaas, director of Mexico's National Disaster
Prevention Center (Cenapred), told the Televisa network.
The snow-capped 17,884-foot (5,452-metre)