Mayon erupting in August 2004.
The increasing unrest at Mayon in the Philippines has prompted National Disaster Coordinating Council (NDCC) to recommend the evacuation of over 75,000 people from around the volcano. This, however, will only happen if the activity at the volcano continues to increase. The volcano currently sits at Alert Level 2 (increasing unrest) and if it were to increase to Level 3 (increased tendency towards eruption), then the evacuations of the first ~1,800 families closest to the volcano would begin. Only if the volcano reached Alert Level 4 (hazardous eruption imminent) would the full evacuation of the 75,000 people in the "High Risk Zone" that extends 8 kilometer / 5 miles around the main crater area. Centers are currently being set up to accommodate some of the evacuees.
Of course, there are always people who don't want to heed the warnings of the authorities and Mayon is ...