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Article Making Rocks Some volcanoes slowly ooze magma while others explode with immense power. Yet all volcanic eruptions begin in the magma chamber.... Interactive Find a Vent Climb aboard this virtual expedition along an unknown stretch of the Pacific Ocean's Juan de Fuca Ridge to see if you can find a... Exhibit Volcanoes Under the Sea The longest volcano chain in the world is the 80,000-kilometer-long mid-ocean ridge system, where new ocean crust is formed and the... Exhibit Volcanic Environment When molten, silicate-rich fluids erupt onto the Earth’s surface, minerals often form in the numerous pockets and holes that develop... Educator Materials Mapping Mt. Rainier Beneath the glacier-clad summit of Mt. Rainier lies an active volcano, which has more than once produced enough molten rock to bury... Article Plates on the Move A volcanic eruption that could be felt across an ocean, an earthquake that sparked landslides, massive tsunamis, and a volcanic eruption... Exhibit Volcanism Volcanoes provide an efficient way for solid planets and moons to shed their internal heat. Article Article: Follow the Magma In 1669, the fastest and largest lava flow documented for Mount Etna on the island of Sicily killed most of Catania's 20,000 residents... Article Volcanoes: Magma Rising What causes volcanoes to erupt? How do scientists study them? Let’s explore one of the most powerful, destructive volcanic eruptions... Article Volcanoes Some volcanoes explode with the force of an atomic bomb. Others spill rivers of gently flowing lava. Article My Expedition to the Lava River Cave To gain a better understanding of volcanoes, this eighth-grader from Arizona decided to go spelunking. Take her tour of the Lava... Video Monitoring Mount Etna: Magma on the Move Volcanologists keep wary watch on Sicily's restless peak. Blog Post Recipes for Eruption Museum researchers use different combinations of heat, pressure, and rocks to uncover the science behind volcanic eruptions. April 21, 2015 Blog Post Expedition to a Modern Pompeii The upcoming exhibition Nature’s Fury features chilling artifacts from a volcanic eruption that destroyed a bustling Caribbean city... November 6, 2014