The Volcano Hazards Program is a program directed by the
External links
* [http://volcanoes.usgs.gov Official site]
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Volcano Hazards Program — Le Volcano Hazards Program est un programme américain mis en œuvre par l United States Geological Survey pour surveiller l activité volcanique et la sensibilité des populations potentiellement menacées par le risque volcanique de par le monde.… … Wikipédia en Français
Volcano warning schemes — USGS Volcano Warning Scheme for the United States The United States Geological Survey (USGS) has adopted a common system nationwide for characterizing the level of unrest and eruptive activity at volcanoes. The new volcano alert level system is… … Wikipedia
Volcano — This article is about the geological feature. For other uses, see Volcano (disambiguation) … Wikipedia
Volcano observatory — A volcano observatory is an institution that conducts research and monitoring of a volcano. Each observatory provides continuous and periodic monitoring of the seismicity, other geophysical changes, ground movements, volcanic gas chemistry, and… … Wikipedia
Newberry Volcano — Paulina Peak Newberry Caldera, with Paulina Lake, East Lake, and Big Obsidian Flow Elevation … Wikipedia
Medicine Lake Volcano — as seen from Lava Beds National Monument … Wikipedia
Cerro Azul (Chile volcano) — Cerro Azul The peak of Cerro Azul volcano lies behind Quizapu crater, which was formed by eruptions during the twentieth century … Wikipedia
San Salvador (volcano) — Infobox Mountain Name = San Salvador Photo =SanSalvadorVolcano.jpg Caption = The massive San Salvador volcano dominates the landscape west of the city of San Salvador. To the left, the wide hump is Boquerón, while the peak to the right is El… … Wikipedia
Mayon Volcano — as viewed from Ligñon Hill in Legazpi City, Albay in December 2006 Elevation … Wikipedia
Chaitén (volcano) — Chaitén 2003 photograph from the International Space Station. The caldera is the circular feature visible in the lower part of the image. The town of Chaitén is to the top. (This image is aligned roughly southwest, around 220°.) … Wikipedia
