Volcanoes

Volcanology

Current eruptions refers to volcanoes that are actively erupting or showing clear signs of unrest, such as increased seismicity, ground deformation, or gas emissions. Volcanolog...

Science & Education

In his volcanoes video, Bill Nye uses clear language and visuals to explain what volcanoes are, how they form, and why eruptions happen. He starts with the basic structure of Ea...

science

A caldera is a large, basin-shaped volcanic depression that forms when magma chamber emptying and collapse occur on a scale far beyond typical craters. Unlike volcanic vents or...

geology

Magma is molten rock located beneath the Earth’s surface; when it reaches the surface through an eruption, it is called lava. Both are complex mixtures of molten minerals, dis...

travel

The mountains of Hawaii form the volcanic backbone of the archipelago, rising from the ocean floor to create distinct island silhouettes and climates. The highest point is Mauna...

geography-and-environment

Hawaii The Big Island, officially Hawaiʻi, is the largest island in the Hawaiian archipelago and the southeasternmost island in the Hawaiian–Emperor chain. It is the only U.S...