Lava domes form when magma builds up inside a volcano and pushes up on the crater floor, which sends debris down the volcano’s slopes in the form of rockfall. 5 Lava coming out of the Mayon ...

Few volcanoes have been offering quite as reliable a spectacle as Hawaii's Kilauea, which has spewed fountains of lava more than 20 times in the past five months. But there are about 1,500 other ...

The Philippines on Monday raised the alert level on Mayon Volcano south of Manila due to “increasing unrest,” and advised the public to stay out of its six-kilometer radius danger zone.

MANILA, Philippines (AP) — Philippine officials on Thursday raised the alert level for one of the country’s most active volcanoes after superheated streams of gas, ...

The Philippines raised further the alert level on Mayon Volcano south of Manila, warning of its “increased tendency towards a hazardous eruption” and said there’s possibility of “explosive ...

Villagers living within a 6-kilometer (3.7-mile) radius of Mayon volcano’s crater were told to leave the long-designated permanent danger zone and move to safer grounds due to the danger of ...

CNN Editorial Research Here’s a look at volcanoes, mountains that open downward to a reservoir of molten rock. Facts: More than 80% of the Earth’s surface, both above and below sea level, is ...

There are about 100 volcanoes in the Philippines, of which 24 are active. The country lies on the so-called Pacific Ring of Fire, where 75 percent of the world’s volcanoes are situated.