Novarupta volcano, United States, Alaska Peninsula: news & activity updates

Novarupta Volcano Volcanic Ash Advisory: VA RE-SUSPENSION to 6000 ft (1800 m)

Novarupta volcano (United States) - Smithsonian / USGS Weekly Volcanic Activity Report for 8 November-14 November 2017 (Continuing Activity)

On 13 November AVO reported that a cloud of ash, resuspended by strong winds in the vicinity of Katmai and the Valley of Ten Thousand Smokes, was blown about 120 km SE over Shelikof Strait and Kodiak Island at an altitude of up to 3 km (10,000 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. Read all

Novarupta volcano (United States) - Smithsonian / USGS Weekly Volcanic Activity Report for 7 December-13 December 2016 (Continuing Activity)

According to NASA's Earth Observatory, a Moderate Resolution Imaging Spectroradiometer (MODIS) satellite image acquired on 2 December of the Katmai area showed a plume of re-suspended ash which had been deposited during the 1912 eruption. Read all

Novarupta volcano (United States) - Smithsonian / USGS Weekly Volcanic Activity Report for 11 May-17 May 2011 (Continuing Activity)

Based on analysis of satellite imagery, pilot observations, KVERT reports, and information from AVO, the Anchorage VAAC reported that on 11 May strong winds in the Katmai area re-suspended loose ash deposited during the 1912 eruption. The Volcano Alert Level remained at Normal and the Aviation Color Code remained at Green. Read all

Novarupta volcano (United States) - Smithsonian / USGS Weekly Volcanic Activity Report for 24 November-30 November 2010 (Continuing Activity)

Based on analysis of satellite imagery and information from AVO, the Anchorage VAAC reported that on 29 November strong winds in the Katmai area picked up loose ash deposited during the 1912 eruption and carried it SE over Kodiak Island. The Volcano Alert Level remained at Normal and the Aviation Color Code remained at Green. Read all

Novarupta volcano (United States) - Smithsonian / USGS Weekly Volcanic Activity Report for 2 November-8 November 2005 (Continuing Activity)

Strong winds in the Katmai area picked up loose ash deposited during the 1912 eruption and carried it E over Kodiak Island. AVO recorded a large area of resuspended ash on satellite imagery. The National Weather Service estimated that the top of the plume was at 1.5 km (5,000 ft) a.s.l. Read all

Novarupta volcano (United States) - Smithsonian / USGS Weekly Volcanic Activity Report for 17 September-23 September 2003 (New Activity / Unrest)

According to the National Weather Service, strong winds on 21 September in the Katmai area picked up old, loose volcanic ash and carried it E over Kodiak Island. AVO received reports that some of this material fell in Kodiak. This was not the result of volcanic activity and no eruption occurred. Read all