Nishinoshima – The Seminal Eruption

Nishinoshima is in many ways the perfect volcano, it is constantly doing firsts, and spectacular and unusual things. Normally volcanologists would gather nearby and play lip-banjo at its antics. But since it is far out into the ocean and is so inaccessible most miss this beauty of a beast. In November and December of 2013,…

Fingered by the Plume

In the last few years new data about the Icelandic mantleplume has emerged that forever has changed how we look at it, and how it affects Iceland. In yon olden days, it was perceived through the eyes of the original plume model that was devised to explain the Emperor Seamount Chain and Hawaii. That means…

Why volcanoes are like humans

When you start to study volcanoes you inevitably start by studying the top of the volcano and you inevitably model your understanding about the volcano in reference to the cone or mountain that you see. Some volcanoes are even referred to as “perfect volcanoes” due to them being almost perfectly symmetrical. But, as we will…

Activity at Jan Mayen and the hotspot conundrum

It is intriguing how differently two writers can interpret data. Both Albert and I have written about Jan Mayen, and out of basically the same available data we seem to interpret things quite differently. I expect that Albert and I are going to have quite some fun debating this article in the comment field, please…

Reinterpreting Grimsvötn

In the previous part we learned that Grimsvötn indeed is able to produce large scale eruptions as we looked closer into the Saksunarvatn tephras. The first part can be found by following the link below. http://www.volcanocafe.org/grimsvotn-the-saksunarvatn-tephras/ This time we will look into what this new information might mean for the future eruptions of Grimsvötn. But…