Volcano Watch is a weekly article and activity update written by U.S. Geological Survey Hawaiian Volcano Observatory scientists and affiliates. This week’s article is by Mike Cappos, a gas field ...

Despite monitoring systems, eruptions remain difficult to predict. And some tour guides say visitors who choose to explore volcanoes do so at their own risk ...

Deep in the Central Andes lies Uturuncu, Bolivia's "zombie" volcano—so-called because, despite being technically dead (last erupting 250 thousand years ago), it still shows signs of unrest ...

At the more explosive end of the scale are Plinian eruptions. These include the famous eruption of Mount Vesuvius in 79AD, ...

The Ijen volcano complex is a group of composite volcanoes in the stunning Banyuwangi Regency of East Java, Indonesia. It is inside a larger caldera Ijen, which is around a whopping 12 miles wide.

Her specialism involves studying the composition of these rocks to understand the processes that go on inside volcanoes and how specific eruptions unfold. "They are sending me the samples," she ...