Volcanoes generally come in three flavors: active, dormant, and extinct. Though it gets a little ... oceanic crust as it ...

Entombed at the Ashfall Fossil Beds State Historical Park, teeth from the rhino fossils were analyzed by researchers at the ...

When people think about volcanoes, they often picture places like Hawaii or Yellowstone—not Colorado. But did you know that ...

Scientists monitoring Alaska’s Mount Spurr said seismic activity continues to rise, indicating that the volcano is moving toward an eruption. The major risk of a Mount Spurr eruption is ashfall ...

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This effect is not occasioned by the Upas tree, but by an extinct volcano near Batar, called Guava Upas. From the old crater and the adjoining valley is exhaled carbonic gas, such as often ...