The world has a more detailed map of the seafloor than ever before thanks to observations taken from space. NASA published a ...
Geologists say Hawaii's Kilauea volcano shot lava as high as 1,000 feet into the air during its most recent eruptive episode ...
Mount Spurr lies about 80 miles west of Anchorage, which is Alaska's most populous city, making it one of the state's most closely watched volcanoes. It last erupted in 1992, spreading ash over ...
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