This mountain range is home to half of the U.S. volcanoes ... Notably, the discovery challenges expectations, as even long-dormant volcanoes like Oregon’s Crater Lake—inactive for thousands ...

While it doesn’t rival the famed “Porky’s Rising,” this prank roped in dozens of University of Alaska students.

On June 14, 1914, three men climbed Lassen Peak to see why a seemingly dormant ... volcano, the centerpiece of a vast panorama, where volcanism displays its spectaculars—wrecked mountains ...

meaning it is not part of a larger mountain range. It consists of three volcanic cones - Kibo, which is dormant and could erupt again, and Mawenzi and Shira, which are extinct. According to ...