AVO reported that during 17-18 November strong winds in the vicinity of Katmai and the Valley of Ten Thousand Smokes blew unconsolidated ash SE over Shelikof Strait and Kodiak Island at an altitude up to 2.1 km (7,000 ft) a.s.l.
The ash was originally deposited during the Novarupta eruption in 1912.
The Volcano Alert Level remained at Normal and the Aviation Color Code remained at Green.
Source: US Geological Survey Alaska Volcano Observatory (AVO)