The Kizimen volcano is acting up. A new image from space shows an ash plume, lava and debris flows down the mountain flanks. ->
When a volcano calls to this man, he answers by laying down on the rim and watching for hours at a time.
A new threshold for flying around volcanic ash plumes will lead to less delays and cancellations during the current Icelandic eruption.
On June 6, 1912, the world's largest volcanic eruption of the 20th century shocked a small town in Alaska.
By looking at the throat of a volcano geologists can determine how it will erupt.
Digging into the details, researchers are concluding that the greatest volcanic eruption of the last 2 million years was not as catastrophic for early modern humans as they used to think.
Large earthquakes can trigger volcanic trouble, and magma movement can cause tremors. Geologists often use information from one to help predict the other.
Everything we know about how the fabled volcano killed the citizens of Pompeii might be wrong.
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