1.   Volcanoes can remain dormant for hundreds of years.

2.   But she said the volcano remains active.

3.   No doubt the volcano will remain the biggest disaster commemorated that day.

4.   The Mayon volcano remained restive with no explosive eruptions Saturday, allowing hundreds of villagers to go home and scientists to scale its slopes to install new monitoring devices.

5.   The volcano remained hidden Thursday by clouds from the fallout.