By June 7, a lava dome appeared at the summit of Mount Pinatubo, which meant that an eruption was about to happen. Two days after, Phivolcs raised its alert status to 5, and the danger zone was ...

Mount Ruang spewing hot lava and smoke as seen from Sitaro, ... Mount Pinatubo in the Philippines in 1991 measured 6 on the index. Mount St. Helens in the United States in 1980 measured 5.

The lava was quietly flowing in some places but at times Mount Mayon was erupting like a fountain, the Philippine Institute of Volcanology and Seismology said.

When Mount Pinatubo exploded in 1990, the surrounding Philippine ecosystem was devastated. Scientists thought that the Pinatubo volcano mouse that lived there went extinct. But researchers just ...

For 600 years, Mount Pinatubo appeared to be sleeping. Towering 1745 meters (5725 feet) over the Philippine island of Luzon, the seemingly dormant volcano showed no signs of an impending ...

When a colossal plume of ash and lava exploded from Mount Pinatubo in the Philippines in 1991, few people probably had their minds on the animal life in the area, much less one species of rodent.