Novarupta ash resuspension 2020
Start: September 14, 2020 [1]
Stop: November 2, 2020 [1]
Event Type: Not an eruption
- Remobilized tephra - no eruption [1]
Description: From Orr and others, 2024: "On September 14 (AKDT), strong winds entrained and resuspended ash from the Katmai region, carrying it northwestward at an altitude of ~4,000 ft (~1,200 m). Strong winds again picked up ash on October 31 (AKDT), carrying it southward at an altitude of ~5,000 ft (~1,500 m), as well as on November 2 (AKDT), carrying the ash southeastward at an altitude of ~5,000 ft (~1,500 m). During each resuspension event, the National Weather Service Alaska Aviation Weather Unit issued a significant meteorological weather advisory for aviators and AVO issued an information statement. The Aviation Color Code and Volcano Alert Level remained GREEN and NORMAL for Mount Katmai during 2020."
References Cited
[1] 2020 volcanic activity in Alaska - Summary of events and response of the Alaska Volcano Observatory, 2024
Orr, T., Cameron, C.E., Dietterich, H.R., Loewen, M.W., Lopez, T., Lyons, J.J., Nakai, J., Power, J.A., Searcy, C., Tepp, G., and Waythomas, C.W., 2024, 2020 Volcanic activity in Alaska - Summary of events and response of the Alaska Volcano Observatory: U.S. Geological Survey Scientific Investigations Report 2024-5004, 34 p. https://doi.org/10.3133/sir20245004.
Full-text PDF 13.5 MB Complete Eruption References
2020 volcanic activity in Alaska - Summary of events and response of the Alaska Volcano Observatory, 2024
Orr, T., Cameron, C.E., Dietterich, H.R., Loewen, M.W., Lopez, T., Lyons, J.J., Nakai, J., Power, J.A., Searcy, C., Tepp, G., and Waythomas, C.W., 2024, 2020 Volcanic activity in Alaska - Summary of events and response of the Alaska Volcano Observatory: U.S. Geological Survey Scientific Investigations Report 2024-5004, 34 p. https://doi.org/10.3133/sir20245004.
Full-text PDF 13.5 MB