There's a volcano in America belching a 4-mile tower of ash

ANCHORAGE, Alaska -- The U.S. Geological Survey reports that a volcano on Alaska’s Aleutian Islands erupted Sunday afternoon and sent ash 20,000 feet into the air. The agency says the Pavlof Volcano, which is about 600 miles southwest of Anchorage, erupted at 4:18 p.m. local time. The agency says the eruption also led to tremors...