The eruption of Italy’s Mount Etna reminded the world how sudden and unpredictable volcanoes can be. Check out the most ...

California has seven active volcanoes, each with a unique eruption history, categorized by type and threat level. The USGS monitors these volcanoes, providing information to authorities and the ...

Io, the innermost of Jupiter's four largest moons, is slightly bigger than Earth's moon.Io is the most volcanically active body in the solar system, bursting with plumes that rise up to more than ...

Two other Italian volcanoes are active, Stromboli and Vulcano, which last erupted from 1888 to 1890. There are also at least 10 dormant volcanoes. There are many different types of volcanoes.

Types of volcanoes. Here are the types of volcanoes in California, as per USGS: Cinder Cone Volcanoes. Cinder Cones are the simplest type of volcano, formed by the accumulation of tephra — ash ...

LOS ANGELES — A mysterious and highly active undersea volcano off the Pacific Coast could erupt by the end of this year, scientists say. Nearly a mile deep and about 700 miles northwest of San ...

A mysterious and highly active undersea volcano off the Pacific Coast could erupt by the end of this year, scientists say. Nearly a mile deep and about 700 miles northwest of San Francisco, the ...