Mount Martin and Alagogshak Volcanoes, Katmai, Alaska

Summit of Mount Martin showing active fumaroles and small acidic lake.  Image courtesy SR Wood, US NPS, Katmai

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Volcanoes of Peru 5: NEVADO COROPUNA

Volcano Coropuna is Peru’s largest and highest volcano and is part of the Cordillera de Ampato. 6/2015. (© Huaylas te Invita, via Wikimedia). The view is – my educated guess – from the SW via Laguna Pallarcocha in the foreground.

At the end of last year Peruvian volcanologists had made an announcement that installing a permanent monitoring system to this high-risk volcano was finished… wait, high risk?… I never knew that Nevado Coropuna was that dangerous, more reason to get acquainted with this volcano. Please meet my newest friend:

Popocatepetl – Mexico City’s Active Volcano

Popocatepetl in eruption, July 2013. Photo courtesy Science Times. http://www.isciencetimes.com/articles/5617/20130712/popocatepetl-volcano-erupts-mexico-city-ash.htm

Pahto the Lonely: An interestingly-titled post on Mount Adams, East of St. Helens

South flank of Mount Adams as seen from Trout Lake. Trout Lake is built on thick lahar deposits from a debris avalanche 6,000 years ago. (© Cheryle Battrum, via peakware.com)

We are delighted to welcome our reader Michael (better known to us as mjf) for a not-only-interestingly-titled-but-really-good guest post. Thanks Michael!