Authorities are still monitoring the situation after issuing an Alert Level 1, indicating "low-level unrest" of the volcano, according to the news website Rappler.
The Philippines National Disaster Risk Reduction and Management Council said 50 families, or 180 individuals, including children, pregnant women, and senior citizens, were evacuated and relocated to safer areas.
Fourteen mountaineers and four local guides who were trekking the same mountain since Saturday have returned safe.
People have been barred from entering the area.
