Get unlimited digital access to baltimoresun.com. $0.99 for 4 weeks.
SCHOOL DELAYS

Mt. Pinatubo, Philippines

Despite the devastating damages and loss of life of the 1991 eruption, the volcanic event marked one of the most successful cases of eruption prediction. Philippine authorities and the U.S. military were able to evacuate thousands in the days leading up to the eruption.

AARON FAVILA / AP
Loading