Taal Volcano’s small eruptions, even several times a day, are considered normal behavior, according to the Philippine ...

For those bitten by the caving bug, the same company operates two other remarkable caves in the area that make for a perfect weekend cave-hopping adventure. Moaning Cavern in nearby Vallecito features ...

Researchers traced tremor signals deep inside Tanzania’s Oldoinyo Lengai volcano, pinpointing their 3D locations for the ...

A volcano that has been dormant for hundreds of thousands of years could be gearing up for a massive explosion, according to ...

Located on the island of Sicily, in Italy, Mount Etna is one of the world's most active volcanoes. Documentation of its many ...

Nearly 600 years ago, a massive volcanic eruption sent clouds of sulfurous gas and ash high into the atmosphere. The blast ...

A long-dormant volcano has swollen 3.5 inches in 10 months, scientists say—amid concern that it could erupt for the first ...

See views of the North State's tallest landmark, Mt. Shasta, and learn about this active volcano that towers over Siskiyou ...