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Volcanic activity
Episodes during which gases, ash, and lava (molten rock) escape from vents in the earth's crust, accompanied by minor tremors.
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Volcano monitoring
(15 items)
Related topics:
Hazards
Tectonic processes
Volcanology
Lahars
Aviation safety
Volcanic eruption prediction
Earthquakes
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Yellowstone Volcano Observatory (YVO)
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Homepage of the Yellowstone Volcano Observatory with links to information about the observatory at Yellowstone National Park, volcanic history, photo gallery, monitoring data, publications and products, and Frequently Asked Questions (FAQs).
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