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Official, Figure on website
Air traffic routes (gray lines) through California and Nevada. Circle represents the tephra-fall hazard zone for a 1-cm thick deposit, which spreads about 300 km (186 mi) from the Long Valley area.
U.S. Geological Survey (USGS). (2012). Air traffic routes (gray lines) through CA and Nevada. U.S. Geological Survey. Long Valley Caldera Hazards, Principal Air Routes Above 18,000 ft Near Long Valley, California. https://www.usgs.gov/volcanoes/long-valley-caldera/principal-air-routes-above-18000-ft-near-long-valley-california
Official, Figure in hazard assessment
Airfall tephra hazard zones at Langila Volcano
Figure 5 in: Talai, B. (1987). Volcanic hazards at Langila volcano. Geological Survey of Papua New Guinea, Report 87/25
Official, Figure in hazard assessment
Airfall tephra hazard zones at Ulawun Volcano
Figure 5 in: McKee, C.O. (1983). Volcanic hazards at Uluwan volcano. Geological Survey of Papua New Guinea, Report 83/13, 1:100,000
Official, Map sheet or poster
Akita Komagatake Volcano Disaster Prevention Map
Akita Prefecture. (2013). Akita Komagatake Volcano Disaster Prevention Map.
Official, Flyer, brochure, short fact-sheet, or handout
Akita-Komagatake Volcanic Alert Levels
Japan Meteorological Agency. (2016). Akita-Komagatake Volcanic Alert Levels. Volcano Monitoring and Warning Center, Volcano Division, Earthquake and Volcano Department.
Official, Flyer, brochure, short fact-sheet, or handout
Akita-Yakeyama Volcanic Alert Levels
Japan Meteorological Agency. (2016). Akita-Yakeyama Volcanic Alert Levels. Volcano Monitoring and Warning Center, Volcano Division, Earthquake and Volcano Department.
Official, Map in a booklet, long fact-sheet, or handbook
Akita-Yakeyama Volcanic Disaster Prevention Map
Akita Prefecture. (2002). Akita-Yakeyama Volcanic Disaster Prevention Map.
Figure in a journal article
All-season hazard maps for ground load thresholds of 10 kg/m² and 100 kg/m²
Figure 10 in: Pardini, F., Bevilacqua, A., Cerminara, M., Vitturi, M. D. M., Tadini, A., Neri, A., ... & Vougioukalakis, G. (2025). Explosive eruptions of Kolumbo Central Volcano and associated tephra fallout hazards assessment. Bulletin of Volcanology, 87(12), 116. https://doi.org/10.1007/s00445-025-01907-z
Figure in a journal article
Ambae
Cronin, S.J., Gaylord, D.R., Charley, D., Alloway, B.V., Wallez, S., & Esau, J.W. (2004). Participatory methods of incorporating scientific with traditional knowledge for volcanic hazard management on Ambae Island, Vanuatu. Bulletin of volcanology, 66(7), p. 652-668. https://doi.org/10.1007/s00445-004-0347-9. (Reprinted in: Cronin, S. J., & Németh, K., Stewart, R.B. (2006). Volcanic hazards planning on rifting island and fissure volcanoes. Joint Conference of the Geological Society of New Zealand and the New Zealand Geophysical Society.)
Official, Map in an information statement
Ambae Caldera Safety Map
Vanuatu Meteorology & Geo-Hazards Department. (2017). Vanuatu Volcano Alert Bulletin n°01 - Ambae Activity (Thursday January 30th 2025). Government of Vanuatu, Vanuatu Meteorology & Geo-Hazards Department.