Researchers are watching the most active volcano in the Pacific Northwest and now say that the volcano is swelling up like a balloon full of lava.

This was the start of the dream of KMT: The Krafla Magma Testbed, named for the volcanic system in Iceland. It’s a dream that ...

Multiple earthquakes have hit near a major US volcano that scientists warn is gearing up for an eruption. The ...

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Mount Spurr, located west of Anchorage, Alaska, is showing signs of an imminent eruption, with over 100 earthquakes detected ...

Over the Sierra crest — about 150 miles to the east of Manteca, Oakdale, and Turlock — is one of the world’s largest active ...