I don't know if 'too many' is the right term; when you'd say 'too many' it means it is a problem and that it is overbearing and cannot be dealt with. read more
The volcanoes of the Philippines rank as the most deadly and costly in the world: about 13% of its historic eruptions have caused fatalities, most notably at Taal and Mayon, and 22% of its eruptions caused significant damage. Lahars (mud flows) are very common in the Philippines, because the archipelago has often heavy rains. read more