( CNN ) -- The Anchorage , Alaska , airport reopened Sunday afternoon after being closed after an eruption of a nearby volcano on Saturday . Ash from Alaska 's Mount Redoubt volcano has been falling , causing flight cancelations . Ash from Mount Redoubt fell around the city , Alaska 's largest , resulting in the closure of Ted Stevens Anchorage International Airport , the Federal Aviation Administration said . Only a trace amount of the ash reached the airport grounds , airport spokesman Jeremy Lindseth said , but it was enough to affect operations . The airport reopened at about 2 p.m. ( 6 p.m . ET ) Sunday , according to the airport 's operations office . The eruption occurred at about 1:30 p.m. ( 5:30 p.m . ET ) Saturday , the U.S. Geological Survey told CNN . The eruption shot ash about 45,000 feet in the air , officials said . The volcano erupted four times on Friday , at times shooting ash 51,000 feet into the air . The eruptions are the latest in a series that began March 22 . The Alaska Volcano Observatory has set the alert level at red , its highest possible designation . That indicates an eruption is under way or imminent and the eruption will produce a `` significant emission of volcanic ash into the atmosphere . '' iReport.com : Send photos , videos of the volcanic ash . Friday 's volcano activity prompted Alaska Airlines to limit flights to and from Anchorage , according to the airline 's Web site . The airline canceled all its Thursday flights to and from Anchorage after an eruption earlier in the day sent an ash cloud 65,000 feet high . CNN 's Chuck Johnston contributed to this report .
NEW : Airport reopened at about 2 p.m. ( 6 p.m . ET ) Sunday . Anchorage airport closed for awhile as volcanic ash clouded the sky . Latest eruption of Mount Redoubt happened at 1:30 p.m. ( 5:30 p.m . ET ) Saturday . Volcano erupted four times Friday and once shot ash at least 51,000 feet into the air .