Cotopaxi – A most dangerous volcano

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…

Cerro Negro and Chiles, trembling twins

The the peaks of Cerro Negro de Mayasquer (not Cerro Negro, Nicaragua) and Chiles are black and white twins in a volcanic complex on the border of Colombia and Ecuador in the Municipality of Cumbal south of the Department of Nariño. Cerro Negro is a stratovolcano with a 1.8 km crater opening to the west. Andesitic and dacitic…

Tungurahua –Eruption 14 July 2013

Thank you to Chryphia and Renato Rio for finding lots of information on Tungurahua, including   the Instituto Geofísico Escuela Politécnica Nacional (IGEPN)’s excellent website. Tungurahua woke nearby residents with an explosive eruption at 11:51 UTC (06:51 am local time) on Sunday 14 July 2013 (VA report [1]).  The eruption could be heard as far away…

Sheepy Dalek, Tungurahua, Hekla and a riddle

Some people are keeping a close eye on Hekla! Here are some links from the treasury which might come in handy. Hekla Hekluvöktun Hekla Data  Collections for monitoring Hekla Hekla GPS Borehole Strain and Hekla Seimicity Website on Hekla ( Swedish) Jarðskjálftar Seismic stations close to Hekla They are also on our page “Wonder whats going on in…

Debunking Caldera Myths

Post by cbus20122: Before this post gets read, I would like to note that I am not a scientist or geologist. If any information is inaccurate in this post, I would like to encourage the more scientifically inclined to correct me and inform readers if there are any inaccuracies! Caldera Volcanoes.. The Mythological Beast of…