Introduction -- Global distribution of active volcanoes / Elizabeth Cottrell -- Basaltic lava flow hazard / Andrew J. L. Harris -- Impacts from volanic ash fall / Thomas M. Wilson, Susanna Jenkins, ...

A long quiet volcano in Ethiopia has roared back to life, blasting ash roughly 9 miles into the sky and catching both nearby ...

What keeps volcanologists up at night? New £3.7M project aims to improve early warning of sudden, dangerous volcanic ...

Hundreds of millions of people worldwide live within 100 kilometres of a volcano that has experienced at least one ...

Emily Schwing: In 1912 a volcano in Alaska more than blew its top. Known as Novarupta, it was responsible for the most powerful volcanic eruption of the 20th century. Kristi Wallace: The reason we ...

Volcanic eruptions and their ash clouds pose a significant hazard to population centers and air travel, especially those that show few to no signs of unrest beforehand. Geologists are now using a ...

An international volcanology team has created a first-of-its kind tool that can aid scientists in understanding past explosive eruptions that shaped the earth and improve the way of estimating hazards ...

During volcanic crises, the USGS Hawaiian Volcano Observatory (HVO) plays a pivotal role, sharing information on activity and associated hazards with close partners on the Island of Hawaii, including ...

One of two main craters on Alaska's Mount Spurr, shown in 1991. Earthquake activity suggests the volcano is close to erupting again in 2025. R.G. McGimsey/Alaska Volcano Observatory/U.S. Geological ...

One of two main craters on Alaska’s Mount Spurr, shown in 1991. Earthquake activity suggests the volcano is close to erupting again in 2025. (Photo by R.G. McGimsey/Alaska Volcano Observatory/U.S.