An Alaskan volcano that has been inactive for more than 100 years is showing signs of rumbling, according to scientists.

HONOLULU (Reuters) - Scientists in Hawaii say they have discovered an ancient underwater volcano, now dormant, that once extended 3,000 feet above sea level and is believed to have helped form the ...

After erupting for the first time in nearly 40 years, lava flows from Hawaii's Mauna Loa volcano now "appear to be inactive," the U.S. Geological Survey said Monday.The eruption began Nov. 27 ...

Activity has been detected under a dormant volcano near Sitka, Alaska.Mount Edgecumbe has been inactive for at least 800 years but, following a spate of earthquakes in the area earlier this year ...

(CNN) — After erupting for the first time in nearly 40 years, lava flows from Hawaii’s Mauna Loa volcano now “appear to be inactive,” the US Geological Survey said Monday.