Volcano Activity from 1960 through 1995 (WMS)

  • Released Wednesday, June 23, 2004
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This animation represents cumulative global volcanic activity over a 36-year span, from 1960 through 1995. Volcanoes occur near but not on tectonic plate boundaries. If a plate boundary is a convergent boundary, where one plate is subducting under another, then volcanoes occur on the top plate, over the area where rock from the subducting plate has melted, is rising, and has broken through to the surface. The Mt. St. Helens eruption is visible in this animation starting in March, 1980.

This animation shows cumulative global volcano activity from 1960 through 1995. The color of each dot indicates the strength of the activity of the volcano.

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This is the legend for the volcano activity animation. Each value of the bar has two colors: the brighter color represents currently active volcaoes, while the darker color represents previously active volcanoes.

This is the legend for the volcano activity animation. Each value of the bar has two colors: the brighter color represents currently active volcaoes, while the darker color represents previously active volcanoes.

Credits

Please give credit for this item to:
NASA/Goddard Space Flight Center
Scientific Visualization Studio

This page was originally published on Wednesday, June 23, 2004.
This page was last updated on Wednesday, May 3, 2023 at 1:56 PM EDT.

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