Alaska volcano restless again

ANCHORAGE, Alaska (AP) — One of Alaska’s largest and most active volcanoes is restless again, prompting scientists to issue an aviation advisory. Alaska Volcano Observatory scientists increased the threat level of Mount Veniaminof (VEN’-ee-ah-mean-off) from yellow to orange Tuesday. That color designation indicates that sudden explosions could send ash above 20,000 feet (6,100 meters) and […]