volcanology

On the evening of August 21, 1986, an unusual stillness blanketed the green highlands of northwestern Cameroon. The local villagers in Nyos, Cha, and Subum were preparing for bed, totally unaware that the crater lake nearby had reached its breaking point. Without warning, a wave of gas burst from the lake and spilled over the volcanic crater rim and cascaded into the valleys. Unseen, heavy, and c…

TLDR Réunion Island has exactly one active volcano: Piton de la Fournaise, on the southeastern side of the island. It’s one of the most frequently erupting volcanoes on Earth, averaging... The post Réunion’s Active Volcano: Piton de la Fournaise Explained appeared first on 33Science .

Scientific Data, Published online: 20 August 2026; doi:10.1038/s41597-026-08146-7 A high-resolution seismo-acoustic and video dataset of a lahar at Volcán de Fuego, Guatemala

The silicic melts that eventually erupt at arc volcanoes are produced in the lower crust, yet, the storage conditions of magma in the lower crust have not been the topic of extensive study. In this study, we conduct and analyze hydrous piston cylinder experiments to determine the mid-to-lower magma storage conditions of primitive melt at Shiveluch, an arc volcano located in northern Kamchatka. Th…

Volcanic eruptions can cause substantial damage and disruption to infrastructure and communities. Contemporary societies typically depend on petroleum infrastructure. Volcanic unrest and eruptions can cause considerable operational and structural challenges for the petroleum sector. The vulnerability of this sector to volcanic hazards is understudied when compared to other potentially dangerous p…

- Dr. Janine Krippner Mount St. Helens, May 18, 1980 . Top information resources for volcanic ash: USGS Volcanic Ash Impacts and Mitigation The International Volcanic Health Hazard Network GNS Be Prepared: Volcanic Ashfall Global Volcanic Hazards and Risk List of Volcano Observatories Items to stock before ashfall As you read this, there are likely around 20 volcanoes actively erupting right now.…

As continents grind across ‘hotspots’ in Earth’s mantle, we can get volcanoes erupting on the surface. Studying these can reveal much about our planet’s evolution.

From far north Queensland to the southern tip of Tasmania, there is a common geological mechanism that links Eastern Australia’s volcanic history.

Sonar scans of the Indian Ocean floor south of Christmas Island have revealed a Tolkeinesque landscape of towering peaks, ashen uplands and ominous volcanic craters.

The last time south-west Iceland experienced a turbulent period of earthquakes and volcanic eruptions was in the 1300s.

Volcanic eruptions on the seafloor are mysterious, but new research provides fresh clues.