Featured volcano : Bagana, Bougainville Island, Papua New Guinea

Last update: July 26, 2012 at 9:30 am by By

Bagana volcano PNG - image courtesy Smithsonian Institute

Bagana is an active volcano located in the central part of the island of Bougainville, Papua New Guinea, the largest island of the Solomon group. It is the most active volcano in the country. Just northeast of Bagana is the volcano crater lake Billy Mitchell (see other picture). Bagana is one of 17 … [Read more...]

Featured volcano : Ambrym, Vanuatu

Last update: July 20, 2012 at 6:32 pm by By

Wikipeia image courtesy Geophile71

Ambrym, a large basaltic volcano with a 12-km-wide caldera, is one of the most active volcanoes of the New Hebrides arc. A thick, almost exclusively pyroclastic sequence, initially dacitic, then basaltic, overlies lava flows of a pre-caldera shield volcano. The caldera was formed during a major … [Read more...]

Featured volcano : Pacaya, Guatemala

Last update: July 20, 2012 at 10:16 pm by By

Image courtesy Wikipedia

Eruptions from Pacaya, one of Guatemala's most active volcanoes, are frequently visible from Guatemala City, the nation's capital. Pacaya is a complex basaltic volcano constructed just outside the southern topographic rim of the 14 x 16 km Pleistocene Amatitlán caldera. A cluster of dacitic lava … [Read more...]

Featured volcano : Batu Tara, Lesser Sunda Islands, Indonesia

Last update: July 20, 2012 at 10:16 pm by By

volc-id-BatuTara1

The small isolated island of Batu Tara in the Flores Sea about 50 km north of Lembata (fomerly Lomblen) Island contains a scarp on the eastern side similar to the Sciara del Fuoco of Italy's Stromboli volcano. Vegetation covers the flanks of Batu Tara to within 50 m of the 748-m-high summit. Batu … [Read more...]

Featured volcano : Galeras, Colombia

Last update: July 18, 2012 at 2:20 pm by By

Galeras eruption image - courtesy and copyright Josecamilom

Galeras, a stratovolcano with a large breached caldera located immediately west of the city of Pasto (a city with approx. 400,000 inhabitants), is one of Colombia's most frequently active volcanoes. The dominantly andesitic Galeras volcanic complex has been active for more than 1 million years, and … [Read more...]

Featured volcano : Popocatepetl, Mexico

Last update: July 15, 2012 at 8:41 pm by By

volc-mx-PopoPicWiki2

Volcán Popocatépetl, whose name is the Aztec word for smoking mountain, towers to 5426 m 70 km SE of Mexico City to form North America's 2nd-highest volcano. The glacier-clad stratovolcano contains a steep-walled, 400 x 600 m wide crater. The generally symmetrical volcano is modified by the … [Read more...]

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