As we started our series about the New Decade Volcano Program we had to do some hard choices about which volcanoes we would include. We opted to not feature Cotopaxi even though it is situated near the Ecuadorian capital of Quito and has a proven track record of very large eruptions. It could though very…
What is a better starting point for our proposed list of new Decade Volcanoes than a volcano that operates in a way that almost no other volcano does? As the number ten of our list we hereby present a volcano that equally blends being an artesian well and an andesitic tephra producer of note. Without…
Seismic activity in Peru is caused by subduction of the oceanic Nazca plate beneath the South American continental plate, generating the Central Volcanic Zone (CVZ) as part of the Andean Volcanic Belt. However, active volcanoes are found only in southern Peru, at the beginning of the CVZ which extends south into northern Chile. The rest…
Mount Chiginagak sits some 600 km southwest of Anchorage, roughly situated on the Alaska Peninsula between Aniakchak and the Katmai Volcanic Complex. It is a single peak that tops out at just over 2,200 M. The peak itself is composed primarily of andesitic and pyroclastic layers. It also has basalt lava flows with some evidence…
The island of Montserrat is a British overseas territory and is situated in the northern part of the Lesser Antilles in the Caribbean Sea. Christopher Columbus named the island “Santa Maria de Montserrat” after the famous mountain monastery in Catalonia, Spain. Due to its similar appearance of coastal Ireland and early Irish settlers, it is…
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